Merge remote-tracking branch 'upstream/2.2.0' into asoc2022_issue#8461

# Conflicts:
#	config/src/main/java/com/alibaba/nacos/config/server/controller/ConfigController.java

.github/workflows/ci.yml

@@ -9,6 +9,9 @@ on:
   pull_request:
     branches: [ develop, v1.x-develop ]
 
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
 jobs:
   unix:
     runs-on: ${{ matrix.os }}

.github/workflows/it.yml

@@ -9,6 +9,9 @@ on:
   pull_request:
     branches: [ develop, v1.x-develop ]
 
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
 jobs:
   unix:
     runs-on: ${{ matrix.os }}

CHANGELOG.md

@@ -172,7 +172,7 @@
 
 ## 0.2.1-release(Sept 28, 2018)
 
-* FIx deregister last instance failed error.
+* Fix deregister last instance failed error.
 * Fix url pattern error.
 * Fully integrate with and seamlessly support Spring framework, Spring Boot and Spring Cloud
 * Separate nacos-api from nacos client implementation

README.md

@@ -83,6 +83,8 @@ For more details, see [quick-start.](https://nacos.io/en-us/docs/quick-start.htm
 
 You can view the full documentation from the [Nacos website](https://nacos.io/en-us/docs/what-is-nacos.html).
 
+You can also read this online eBook from the [NACOS ARCHITECTURE & PRINCIPLES](https://www.yuque.com/nacos/ebook/kbyo6n).
+
 All the latest and long-term notice can also be found here from [Github notice issue](https://github.com/alibaba/nacos/labels/notice).
 
 ## Contributing

address/src/main/java/com/alibaba/nacos/address/component/AddressServerGeneratorManager.java

@@ -18,8 +18,8 @@ package com.alibaba.nacos.address.component;
 
 import com.alibaba.nacos.address.constant.AddressServerConstants;
 import com.alibaba.nacos.api.common.Constants;
+import com.alibaba.nacos.api.naming.pojo.Instance;
 import com.alibaba.nacos.common.utils.InternetAddressUtil;
-import com.alibaba.nacos.naming.core.Instance;
 import com.alibaba.nacos.common.utils.StringUtils;
 import org.springframework.stereotype.Component;
 
@@ -76,9 +76,9 @@ public class AddressServerGeneratorManager {
             instance.setPort(Integer.parseInt(ipAndPort[1]));
             instance.setClusterName(clusterName);
             instance.setServiceName(serviceName);
-            instance.setTenant(Constants.DEFAULT_NAMESPACE_ID);
-            instance.setApp(rawProductName);
             instance.setEphemeral(false);
+            instance.getMetadata().put("app", rawProductName);
+            instance.getMetadata().put("tenant", Constants.DEFAULT_NAMESPACE_ID);
             instanceList.add(instance);
         }
         
@@ -99,7 +99,7 @@ public class AddressServerGeneratorManager {
      * @param instanceList a instance set will generate string response to client.
      * @return the result of response to client
      */
-    public String generateResponseIps(List<Instance> instanceList) {
+    public String generateResponseIps(List<com.alibaba.nacos.api.naming.pojo.Instance> instanceList) {
         
         StringBuilder ips = new StringBuilder();
         instanceList.forEach(instance -> {

address/src/main/java/com/alibaba/nacos/address/controller/AddressServerClusterController.java

@@ -21,13 +21,19 @@ import com.alibaba.nacos.address.component.AddressServerManager;
 import com.alibaba.nacos.address.constant.AddressServerConstants;
 import com.alibaba.nacos.address.misc.Loggers;
 import com.alibaba.nacos.api.common.Constants;
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.naming.pojo.Instance;
 import com.alibaba.nacos.api.naming.pojo.healthcheck.AbstractHealthChecker;
+import com.alibaba.nacos.api.naming.utils.NamingUtils;
 import com.alibaba.nacos.common.utils.InternetAddressUtil;
-import com.alibaba.nacos.naming.core.Cluster;
-import com.alibaba.nacos.naming.core.Instance;
-import com.alibaba.nacos.naming.core.Service;
-import com.alibaba.nacos.naming.core.ServiceManager;
 import com.alibaba.nacos.common.utils.StringUtils;
+import com.alibaba.nacos.naming.core.ClusterOperator;
+import com.alibaba.nacos.naming.core.InstanceOperator;
+import com.alibaba.nacos.naming.core.v2.ServiceManager;
+import com.alibaba.nacos.naming.core.v2.metadata.ClusterMetadata;
+import com.alibaba.nacos.naming.core.v2.metadata.NamingMetadataManager;
+import com.alibaba.nacos.naming.core.v2.metadata.ServiceMetadata;
+import com.alibaba.nacos.naming.core.v2.pojo.Service;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -36,6 +42,7 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import java.util.List;
+import java.util.Optional;
 
 /**
  * Address server cluster controller.
@@ -47,15 +54,22 @@ import java.util.List;
 @RequestMapping({AddressServerConstants.ADDRESS_SERVER_REQUEST_URL + "/nodes"})
 public class AddressServerClusterController {
     
-    private final ServiceManager serviceManager;
+    private final InstanceOperator instanceOperator;
+    
+    private final NamingMetadataManager metadataManager;
+    
+    private final ClusterOperator clusterOperator;
     
     private final AddressServerManager addressServerManager;
     
     private final AddressServerGeneratorManager addressServerGeneratorManager;
     
-    public AddressServerClusterController(ServiceManager serviceManager, AddressServerManager addressServerManager,
+    public AddressServerClusterController(InstanceOperator instanceOperator, NamingMetadataManager metadataManager,
+            ClusterOperator clusterOperator, AddressServerManager addressServerManager,
             AddressServerGeneratorManager addressServerGeneratorManager) {
-        this.serviceManager = serviceManager;
+        this.instanceOperator = instanceOperator;
+        this.metadataManager = metadataManager;
+        this.clusterOperator = clusterOperator;
         this.addressServerManager = addressServerManager;
         this.addressServerGeneratorManager = addressServerGeneratorManager;
     }
@@ -86,23 +100,13 @@ public class AddressServerClusterController {
         try {
             String serviceName = addressServerGeneratorManager.generateNacosServiceName(productName);
             
-            Cluster clusterObj = new Cluster();
-            clusterObj.setName(clusterName);
-            clusterObj.setHealthChecker(new AbstractHealthChecker.None());
-            serviceManager.createServiceIfAbsent(Constants.DEFAULT_NAMESPACE_ID, serviceName, false, clusterObj);
-            String[] ipArray = addressServerManager.splitIps(ips);
-            String checkResult = InternetAddressUtil.checkIPs(ipArray);
-            if (InternetAddressUtil.checkOK(checkResult)) {
-                List<Instance> instanceList = addressServerGeneratorManager
-                        .generateInstancesByIps(serviceName, rawProductName, clusterName, ipArray);
-                for (Instance instance : instanceList) {
-                    serviceManager.registerInstance(Constants.DEFAULT_NAMESPACE_ID, serviceName, instance);
-                }
+            Result result = registerCluster(serviceName, rawProductName, clusterName, ips);
+            if (InternetAddressUtil.checkOK(result.getCheckResult())) {
                 responseEntity = ResponseEntity
                         .ok("product=" + rawProductName + ",cluster=" + rawClusterName + "; put success with size="
-                                + instanceList.size());
+                                + result.getSize());
             } else {
-                responseEntity = ResponseEntity.status(HttpStatus.BAD_REQUEST).body(checkResult);
+                responseEntity = ResponseEntity.status(HttpStatus.BAD_REQUEST).body(result.getCheckResult());
             }
         } catch (Exception e) {
             responseEntity = ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(e.getMessage());
@@ -111,6 +115,35 @@ public class AddressServerClusterController {
         return responseEntity;
     }
     
+    private Result registerCluster(String serviceName, String productName, String clusterName, String ips)
+            throws NacosException {
+        String serviceWithoutGroup = NamingUtils.getServiceName(serviceName);
+        String groupName = NamingUtils.getGroupName(serviceName);
+        Service service = Service.newService(Constants.DEFAULT_NAMESPACE_ID, groupName, serviceWithoutGroup, false);
+        service = ServiceManager.getInstance().getSingleton(service);
+        if (service.isEphemeral()) {
+            return new Result(
+                    String.format("Service %s is ephemeral service, can't use as address server", serviceName), 0);
+        }
+        ServiceMetadata serviceMetadata = metadataManager.getServiceMetadata(service).orElse(new ServiceMetadata());
+        if (!serviceMetadata.getClusters().containsKey(clusterName)) {
+            ClusterMetadata metadata = new ClusterMetadata();
+            metadata.setHealthyCheckType(AbstractHealthChecker.None.TYPE);
+            metadata.setHealthChecker(new AbstractHealthChecker.None());
+            clusterOperator.updateClusterMetadata(Constants.DEFAULT_NAMESPACE_ID, serviceName, clusterName, metadata);
+        }
+        String[] ipArray = addressServerManager.splitIps(ips);
+        String checkResult = InternetAddressUtil.checkIPs(ipArray);
+        if (InternetAddressUtil.checkOK(checkResult)) {
+            List<Instance> instanceList = addressServerGeneratorManager
+                    .generateInstancesByIps(serviceName, productName, clusterName, ipArray);
+            for (Instance instance : instanceList) {
+                instanceOperator.registerInstance(Constants.DEFAULT_NAMESPACE_ID, serviceName, instance);
+            }
+        }
+        return new Result(checkResult, ipArray.length);
+    }
+    
     /**
      * Delete cluster.
      *
@@ -134,9 +167,12 @@ public class AddressServerClusterController {
         try {
             
             String serviceName = addressServerGeneratorManager.generateNacosServiceName(productName);
-            Service service = serviceManager.getService(Constants.DEFAULT_NAMESPACE_ID, serviceName);
+            String serviceWithoutGroup = NamingUtils.getServiceName(serviceName);
+            String groupName = NamingUtils.getGroupName(serviceName);
+            Optional<com.alibaba.nacos.naming.core.v2.pojo.Service> service = com.alibaba.nacos.naming.core.v2.ServiceManager
+                    .getInstance().getSingletonIfExist(Constants.DEFAULT_NAMESPACE_ID, groupName, serviceWithoutGroup);
             
-            if (service == null) {
+            if (!service.isPresent()) {
                 return ResponseEntity.status(HttpStatus.NOT_FOUND).body("product=" + rawProductName + " not found.");
             }
             if (StringUtils.isBlank(ips)) {
@@ -149,8 +185,9 @@ public class AddressServerClusterController {
             if (InternetAddressUtil.checkOK(checkResult)) {
                 List<Instance> instanceList = addressServerGeneratorManager
                         .generateInstancesByIps(serviceName, rawProductName, clusterName, ipArray);
-                serviceManager.removeInstance(Constants.DEFAULT_NAMESPACE_ID, serviceName, false,
-                        instanceList.toArray(new Instance[0]));
+                for (Instance each : instanceList) {
+                    instanceOperator.removeInstance(Constants.DEFAULT_NAMESPACE_ID, serviceName, each);
+                }
             } else {
                 responseEntity = ResponseEntity.status(HttpStatus.BAD_REQUEST).body(checkResult);
             }
@@ -162,4 +199,23 @@ public class AddressServerClusterController {
         return responseEntity;
     }
     
+    private class Result {
+        
+        private final String checkResult;
+        
+        private final int size;
+        
+        public Result(String checkResult, int size) {
+            this.checkResult = checkResult;
+            this.size = size;
+        }
+        
+        public String getCheckResult() {
+            return checkResult;
+        }
+        
+        public int getSize() {
+            return size;
+        }
+    }
 }

address/src/main/java/com/alibaba/nacos/address/controller/ServerListController.java

@@ -18,9 +18,15 @@ package com.alibaba.nacos.address.controller;
 
 import com.alibaba.nacos.address.component.AddressServerGeneratorManager;
 import com.alibaba.nacos.api.common.Constants;
-import com.alibaba.nacos.naming.core.Cluster;
-import com.alibaba.nacos.naming.core.Service;
-import com.alibaba.nacos.naming.core.ServiceManager;
+import com.alibaba.nacos.api.naming.pojo.ServiceInfo;
+import com.alibaba.nacos.api.naming.utils.NamingUtils;
+import com.alibaba.nacos.naming.core.v2.ServiceManager;
+import com.alibaba.nacos.naming.core.v2.index.ServiceStorage;
+import com.alibaba.nacos.naming.core.v2.metadata.ClusterMetadata;
+import com.alibaba.nacos.naming.core.v2.metadata.NamingMetadataManager;
+import com.alibaba.nacos.naming.core.v2.metadata.ServiceMetadata;
+import com.alibaba.nacos.naming.core.v2.pojo.Service;
+import com.alibaba.nacos.naming.utils.ServiceUtil;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -28,6 +34,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.Optional;
+
 /**
  * Server list controller.
  *
@@ -37,14 +45,17 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 public class ServerListController {
     
-    private final ServiceManager serviceManager;
-    
     private final AddressServerGeneratorManager addressServerBuilderManager;
     
-    public ServerListController(ServiceManager serviceManager,
-            AddressServerGeneratorManager addressServerBuilderManager) {
-        this.serviceManager = serviceManager;
+    private final NamingMetadataManager metadataManager;
+    
+    private final ServiceStorage serviceStorage;
+    
+    public ServerListController(AddressServerGeneratorManager addressServerBuilderManager,
+            NamingMetadataManager metadataManager, ServiceStorage serviceStorage) {
         this.addressServerBuilderManager = addressServerBuilderManager;
+        this.metadataManager = metadataManager;
+        this.serviceStorage = serviceStorage;
     }
     
     /**
@@ -59,20 +70,22 @@ public class ServerListController {
         
         String productName = addressServerBuilderManager.generateProductName(product);
         String serviceName = addressServerBuilderManager.generateNacosServiceName(productName);
-        Service service = serviceManager.getService(Constants.DEFAULT_NAMESPACE_ID, serviceName);
-        if (service == null) {
-            
+        String serviceWithoutGroup = NamingUtils.getServiceName(serviceName);
+        String groupName = NamingUtils.getGroupName(serviceName);
+        Optional<Service> service = ServiceManager.getInstance()
+                .getSingletonIfExist(Constants.DEFAULT_NAMESPACE_ID, groupName, serviceWithoutGroup);
+        if (!service.isPresent()) {
             return ResponseEntity.status(HttpStatus.NOT_FOUND).body("product=" + product + " not found.");
         }
-        
-        if (!service.getClusterMap().containsKey(cluster)) {
-            
+        ClusterMetadata metadata = metadataManager.getServiceMetadata(service.get()).orElse(new ServiceMetadata())
+                .getClusters().get(cluster);
+        if (null == metadata) {
             return ResponseEntity.status(HttpStatus.NOT_FOUND)
                     .body("product=" + product + ",cluster=" + cluster + " not found.");
         }
-        
-        Cluster clusterObj = service.getClusterMap().get(cluster);
+        ServiceInfo serviceInfo = serviceStorage.getData(service.get());
+        serviceInfo = ServiceUtil.selectInstances(serviceInfo, cluster, false);
         return ResponseEntity.status(HttpStatus.OK)
-                .body(addressServerBuilderManager.generateResponseIps(clusterObj.allIPs(false)));
+                .body(addressServerBuilderManager.generateResponseIps(serviceInfo.getHosts()));
     }
 }

address/src/test/java/com/alibaba/nacos/address/component/AddressServerGeneratorManagerTest.java

@@ -17,7 +17,7 @@
 package com.alibaba.nacos.address.component;
 
 import com.alibaba.nacos.address.constant.AddressServerConstants;
-import com.alibaba.nacos.naming.core.Instance;
+import com.alibaba.nacos.api.naming.pojo.Instance;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -67,7 +67,7 @@ public class AddressServerGeneratorManagerTest {
     
     @Test
     public void testGenerateResponseIps() {
-        final List<Instance> instanceList = new ArrayList<>();
+        final List<com.alibaba.nacos.api.naming.pojo.Instance> instanceList = new ArrayList<>();
         Instance instance1 = new Instance();
         instance1.setIp("192.168.3.1");
         instance1.setPort(8848);

address/src/test/java/com/alibaba/nacos/address/controller/AddressServerClusterControllerTest.java

@@ -21,8 +21,12 @@ import com.alibaba.nacos.address.component.AddressServerManager;
 import com.alibaba.nacos.address.constant.AddressServerConstants;
 import com.alibaba.nacos.api.common.Constants;
 import com.alibaba.nacos.api.exception.NacosException;
-import com.alibaba.nacos.naming.core.Service;
-import com.alibaba.nacos.naming.core.ServiceManager;
+import com.alibaba.nacos.naming.core.ClusterOperator;
+import com.alibaba.nacos.naming.core.InstanceOperator;
+import com.alibaba.nacos.naming.core.v2.ServiceManager;
+import com.alibaba.nacos.naming.core.v2.metadata.NamingMetadataManager;
+import com.alibaba.nacos.naming.core.v2.pojo.Service;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -40,124 +44,94 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 public class AddressServerClusterControllerTest {
     
     @Mock
-    private ServiceManager serviceManager;
+    private InstanceOperator instanceOperator;
+    
+    @Mock
+    private NamingMetadataManager metadataManager;
+    
+    @Mock
+    private ClusterOperator clusterOperator;
     
     private MockMvc mockMvc;
     
     @Before
     public void before() {
-        mockMvc = MockMvcBuilders.standaloneSetup(new AddressServerClusterController(serviceManager, new AddressServerManager(),
-                new AddressServerGeneratorManager())).build();
+        mockMvc = MockMvcBuilders.standaloneSetup(
+                new AddressServerClusterController(instanceOperator, metadataManager, clusterOperator,
+                        new AddressServerManager(), new AddressServerGeneratorManager())).build();
+        Service service = Service
+                .newService(Constants.DEFAULT_NAMESPACE_ID, Constants.DEFAULT_GROUP, "nacos.as.default", false);
+        ServiceManager.getInstance().getSingleton(service);
+    }
+    
+    @After
+    public void tearDown() {
+        Service service = Service
+                .newService(Constants.DEFAULT_NAMESPACE_ID, Constants.DEFAULT_GROUP, "nacos.as.default", false);
+        ServiceManager.getInstance().removeSingleton(service);
     }
     
     @Test
     public void testPostCluster() throws Exception {
         
-        mockMvc.perform(post("/nacos/v1/as/nodes")
-                .param("product", "default")
-                .param("cluster", "serverList")
-                .param("ips", "192.168.3.1,192.168.3.2"))
-                .andExpect(status().isOk());
-
+        mockMvc.perform(post("/nacos/v1/as/nodes").param("product", "default").param("cluster", "serverList")
+                .param("ips", "192.168.3.1,192.168.3.2")).andExpect(status().isOk());
+        
     }
     
     @Test
     public void testPostClusterWithErrorIps() throws Exception {
-        mockMvc.perform(post("/nacos/v1/as/nodes")
-                        .param("product", "default")
-                        .param("cluster", "serverList")
-                        .param("ips", "192.168.1"))
-                .andExpect(status().isBadRequest());
+        mockMvc.perform(post("/nacos/v1/as/nodes").param("product", "default").param("cluster", "serverList")
+                .param("ips", "192.168.1")).andExpect(status().isBadRequest());
     }
     
     @Test
     public void testPostClusterThrowException() throws Exception {
-    
-        Mockito.doThrow(new NacosException(500, "create service error")).when(serviceManager)
-                .createServiceIfAbsent(Mockito.eq(Constants.DEFAULT_NAMESPACE_ID), Mockito.eq(
-                                Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default"),
-                        Mockito.eq(false), Mockito.any());
-    
-        mockMvc.perform(post("/nacos/v1/as/nodes")
-                        .param("product", "default")
-                        .param("cluster", "serverList")
-                        .param("ips", "192.168.1"))
-                .andExpect(status().isInternalServerError());
+        
+        Mockito.doThrow(new NacosException(500, "create service error")).when(clusterOperator)
+                .updateClusterMetadata(Mockito.eq(Constants.DEFAULT_NAMESPACE_ID), Mockito.eq(
+                        Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default"),
+                        Mockito.eq("serverList"), Mockito.any());
+        
+        mockMvc.perform(post("/nacos/v1/as/nodes").param("product", "default").param("cluster", "serverList")
+                .param("ips", "192.168.1")).andExpect(status().isInternalServerError());
         
     }
     
     @Test
     public void testDeleteCluster() throws Exception {
-        
-        Mockito.when(serviceManager.getService(Mockito.eq(Constants.DEFAULT_NAMESPACE_ID),
-                Mockito.eq(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default")))
-                .thenReturn(new Service(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default"));
-        
-        mockMvc.perform(delete("/nacos/v1/as/nodes")
-                .param("product", "default")
-                .param("cluster", "serverList")
-                .param("ips", "192.168.3.1,192.168.3.2")
-        ).andExpect(status().isOk());
-    
+        mockMvc.perform(delete("/nacos/v1/as/nodes").param("product", "default").param("cluster", "serverList")
+                .param("ips", "192.168.3.1,192.168.3.2")).andExpect(status().isOk());
     }
     
     @Test
     public void testDeleteClusterCannotFindService() throws Exception {
-        
-        mockMvc.perform(delete("/nacos/v1/as/nodes")
-                .param("product", "default")
-                .param("cluster", "serverList")
-                .param("ips", "192.168.3.1,192.168.3.2")
-        ).andExpect(status().isNotFound());
+        tearDown();
+        mockMvc.perform(delete("/nacos/v1/as/nodes").param("product", "default").param("cluster", "serverList")
+                .param("ips", "192.168.3.1,192.168.3.2")).andExpect(status().isNotFound());
     }
     
     @Test
     public void testDeleteClusterEmptyIps() throws Exception {
-    
-        Mockito.when(serviceManager.getService(Mockito.eq(Constants.DEFAULT_NAMESPACE_ID),
-                        Mockito.eq(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default")))
-                .thenReturn(new Service(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default"));
-        
-        mockMvc.perform(delete("/nacos/v1/as/nodes")
-                .param("product", "default")
-                .param("cluster", "serverList")
-                .param("ips", "")
-        ).andExpect(status().isBadRequest());
+        mockMvc.perform(delete("/nacos/v1/as/nodes").param("product", "default").param("cluster", "serverList")
+                .param("ips", "")).andExpect(status().isBadRequest());
     }
     
     @Test
     public void testDeleteClusterErrorIps() throws Exception {
-    
-        Mockito.when(serviceManager.getService(Mockito.eq(Constants.DEFAULT_NAMESPACE_ID),
-                        Mockito.eq(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default")))
-                .thenReturn(new Service(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default"));
-    
-        mockMvc.perform(delete("/nacos/v1/as/nodes")
-                .param("product", "default")
-                .param("cluster", "serverList")
-                .param("ips", "192.168.1")
-        ).andExpect(status().isBadRequest());
+        mockMvc.perform(delete("/nacos/v1/as/nodes").param("product", "default").param("cluster", "serverList")
+                .param("ips", "192.168.1")).andExpect(status().isBadRequest());
     }
     
     @Test
     public void testDeleteClusterThrowException() throws Exception {
-    
-        Mockito.when(serviceManager.getService(Mockito.eq(Constants.DEFAULT_NAMESPACE_ID),
-                        Mockito.eq(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default")))
-                .thenReturn(new Service(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default"));
-        
-        Mockito.doThrow(new NacosException(500, "remove service error"))
-                .when(serviceManager)
-                .removeInstance(Mockito.eq(Constants.DEFAULT_NAMESPACE_ID),
-                        Mockito.eq(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default"),
-                        Mockito.eq(false),
+        Mockito.doThrow(new NacosException(500, "remove service error")).when(instanceOperator)
+                .removeInstance(Mockito.eq(Constants.DEFAULT_NAMESPACE_ID), Mockito.eq(
+                        Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default"),
                         Mockito.any());
-    
-        mockMvc.perform(delete("/nacos/v1/as/nodes")
-                .param("product", "default")
-                .param("cluster", "serverList")
-                .param("ips", "192.168.3.1,192.168.3.2")
-        ).andExpect(status().isInternalServerError());
+        
+        mockMvc.perform(delete("/nacos/v1/as/nodes").param("product", "default").param("cluster", "serverList")
+                .param("ips", "192.168.3.1,192.168.3.2")).andExpect(status().isInternalServerError());
     }
-
+    
 }

address/src/test/java/com/alibaba/nacos/address/controller/ServerListControllerTest.java

@@ -17,25 +17,29 @@
 package com.alibaba.nacos.address.controller;
 
 import com.alibaba.nacos.address.component.AddressServerGeneratorManager;
-import com.alibaba.nacos.address.constant.AddressServerConstants;
 import com.alibaba.nacos.api.common.Constants;
-import com.alibaba.nacos.naming.core.Cluster;
-import com.alibaba.nacos.naming.core.Instance;
-import com.alibaba.nacos.naming.core.Service;
-import com.alibaba.nacos.naming.core.ServiceManager;
+import com.alibaba.nacos.api.naming.pojo.Instance;
+import com.alibaba.nacos.api.naming.pojo.ServiceInfo;
+import com.alibaba.nacos.naming.core.v2.ServiceManager;
+import com.alibaba.nacos.naming.core.v2.index.ServiceStorage;
+import com.alibaba.nacos.naming.core.v2.metadata.ClusterMetadata;
+import com.alibaba.nacos.naming.core.v2.metadata.NamingMetadataManager;
+import com.alibaba.nacos.naming.core.v2.metadata.ServiceMetadata;
+import com.alibaba.nacos.naming.core.v2.pojo.Service;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
-import org.mockito.Mockito;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
+import java.util.Optional;
 
+import static org.mockito.Mockito.when;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
@@ -43,68 +47,56 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 public class ServerListControllerTest {
     
     @Mock
-    private ServiceManager serviceManager;
+    private NamingMetadataManager metadataManager;
+    
+    @Mock
+    private ServiceStorage serviceStorage;
+    
+    private Service service;
     
     private MockMvc mockMvc;
     
     @Before
     public void before() {
-        this.mockMvc = MockMvcBuilders
-                .standaloneSetup(new ServerListController(serviceManager, new AddressServerGeneratorManager()))
-                .build();
+        this.mockMvc = MockMvcBuilders.standaloneSetup(
+                new ServerListController(new AddressServerGeneratorManager(), metadataManager, serviceStorage)).build();
+        service = Service
+                .newService(Constants.DEFAULT_NAMESPACE_ID, Constants.DEFAULT_GROUP, "nacos.as.default", false);
+        ServiceManager.getInstance().getSingleton(service);
+    }
+    
+    @After
+    public void tearDown() {
+        ServiceManager.getInstance().removeSingleton(service);
     }
     
     @Test
     public void testGetCluster() throws Exception {
-    
-        final Service service = new Service(
-                Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default");
-        
-        Cluster cluster = new Cluster();
-        cluster.setName("serverList");
-        cluster.setService(service);
-        
-        final HashMap<String, Cluster> clusterMap = new HashMap<>(1);
-        clusterMap.put("serverList", cluster);
-        service.setClusterMap(clusterMap);
         
+        final Service service = Service
+                .newService(Constants.DEFAULT_NAMESPACE_ID, Constants.DEFAULT_GROUP, "nacos.as.default", false);
+        ServiceMetadata serviceMetadata = new ServiceMetadata();
+        serviceMetadata.getClusters().put("serverList", new ClusterMetadata());
+        when(metadataManager.getServiceMetadata(service)).thenReturn(Optional.of(serviceMetadata));
         List<Instance> list = new ArrayList<>(2);
-        list.add(new Instance("192.168.3.1", 8848));
-        list.add(new Instance("192.168.3.2", 8848));
-        cluster.updateIps(list, false);
-        
-        Mockito.when(serviceManager.getService(Mockito.eq(Constants.DEFAULT_NAMESPACE_ID),
-                Mockito.eq(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default")))
-                .thenReturn(service);
-        
-        mockMvc.perform(get("/nacos/serverList"))
-                .andExpect(status().isOk());
-    
+        list.add(new Instance());
+        list.add(new Instance());
+        ServiceInfo serviceInfo = new ServiceInfo();
+        serviceInfo.setHosts(list);
+        when(serviceStorage.getData(service)).thenReturn(serviceInfo);
+        mockMvc.perform(get("/nacos/serverList")).andExpect(status().isOk());
     }
     
     @Test
     public void testGetClusterCannotFindService() throws Exception {
-    
-        mockMvc.perform(get("/default/serverList"))
-                .andExpect(status().isNotFound());
+        tearDown();
+        mockMvc.perform(get("/default/serverList")).andExpect(status().isNotFound());
         
     }
     
     @Test
     public void testGetClusterCannotFindCluster() throws Exception {
-    
-        final Service service = new Service(
-                Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default");
-    
-        final HashMap<String, Cluster> clusterMap = new HashMap<>(1);
-        service.setClusterMap(clusterMap);
-    
-        Mockito.when(serviceManager.getService(Mockito.eq(Constants.DEFAULT_NAMESPACE_ID),
-                        Mockito.eq(Constants.DEFAULT_GROUP + AddressServerConstants.GROUP_SERVICE_NAME_SEP + "nacos.as.default")))
-                .thenReturn(service);
-    
-        mockMvc.perform(get("/nacos/serverList"))
-                .andExpect(status().isNotFound());
+        mockMvc.perform(get("/nacos/serverList")).andExpect(status().isNotFound());
         
     }
 }

api/src/main/java/com/alibaba/nacos/api/PropertyKeyConst.java

@@ -75,6 +75,8 @@ public class PropertyKeyConst {
     
     public static final String NAMING_PUSH_EMPTY_PROTECTION = "namingPushEmptyProtection";
     
+    public static final String NAMING_ASYNC_QUERY_SUBSCRIBE_SERVICE = "namingAsyncQuerySubscribeService";
+    
     public static final String PUSH_RECEIVER_UDP_PORT = "push.receiver.udp.port";
     
     /**

api/src/main/java/com/alibaba/nacos/api/SystemPropertyKeyConst.java

@@ -27,8 +27,6 @@ public interface SystemPropertyKeyConst {
     
     String NAMING_SERVER_PORT = "nacos.naming.exposed.port";
     
-    String NAMING_WEB_CONTEXT = "nacos.naming.web.context";
-    
     /**
      * In the cloud (Alibaba Cloud or other cloud vendors) environment, whether to enable namespace resolution in the
      * cloud environment.

api/src/main/java/com/alibaba/nacos/api/annotation/NacosApi.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ * Copyright 1999-2022 Alibaba Group Holding Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,29 +14,23 @@
  * limitations under the License.
  */
 
-package com.alibaba.nacos.api.config.filter;
+package com.alibaba.nacos.api.annotation;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
- * Filter Config Interface.
- *
- * @author Nacos
+ * An annotation for Nacos API v2 Controller.
+ * @author dongyafei
+ * @date 2022/7/22
  */
-@Deprecated
-public interface IFilterConfig {
-    
-    /**
-     * get filter name.
-     *
-     * @return filter name
-     */
-    String getFilterName();
-    
-    /**
-     * Get init param.
-     *
-     * @param name parameter name
-     * @return param
-     */
-    Object getInitParameter(String name);
-    
+
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface NacosApi {
+
 }

api/src/main/java/com/alibaba/nacos/api/config/annotation/NacosConfigurationProperties.java

@@ -62,13 +62,6 @@ public @interface NacosConfigurationProperties {
      */
     String dataId();
     
-    /**
-     * set config type is yaml this method is deprecated, we support you use {@link #type()} to set config type.
-     *
-     * @return default value <code>false</code>
-     */
-    @Deprecated boolean yaml() default false;
-    
     /**
      * config style.
      *

api/src/main/java/com/alibaba/nacos/api/config/filter/AbstractConfigFilter.java

@@ -22,13 +22,5 @@ package com.alibaba.nacos.api.config.filter;
  * @author luyanbo(RobberPhex)
  */
 public abstract class AbstractConfigFilter implements IConfigFilter {
-    
-    /**
-     * init.
-     *
-     * @param filterConfig Filter Config
-     */
-    @Override
-    public void init(IFilterConfig filterConfig) {
-    }
+
 }

api/src/main/java/com/alibaba/nacos/api/config/filter/IConfigFilter.java

@@ -30,14 +30,6 @@ import java.util.Properties;
  */
 public interface IConfigFilter {
     
-    /**
-     * Init.
-     *
-     * @param filterConfig Filter Config
-     */
-    @Deprecated
-    void init(IFilterConfig filterConfig);
-    
     /**
      * Init.
      *

api/src/main/java/com/alibaba/nacos/api/exception/api/NacosApiException.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright 1999-2022 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.api.exception.api;
+
+import com.alibaba.nacos.api.common.Constants;
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.model.v2.ErrorCode;
+import com.alibaba.nacos.api.utils.StringUtils;
+
+/** Exception for open API. <BR/>
+ * errCode          ->  HTTP status code        inherited from {@link NacosException} <BR/>
+ * errMsg           ->  detail error message    inherited from {@link NacosException} <BR/>
+ * detailErrCode    ->  error code for api v2.0 <BR/>
+ * errAbstract      ->  abstract error message for api v2.0
+ * @author dongyafei
+ * @date 2022/7/22
+ */
+public class NacosApiException extends NacosException {
+    
+    /**
+     * serialVersionUID.
+     */
+    private static final long serialVersionUID = 2245627968556056573L;
+    
+    /**
+     * error code for api v2.0.
+     */
+    private int detailErrCode;
+    
+    /**
+     * abstract error description for api v2.0.
+     */
+    private String errAbstract;
+    
+    public NacosApiException() {
+    }
+    
+    public NacosApiException(int statusCode, ErrorCode errorCode, Throwable throwable, String message) {
+        super(statusCode, message, throwable);
+        this.detailErrCode = errorCode.getCode();
+        this.errAbstract = errorCode.getMsg();
+    }
+    
+    public NacosApiException(int statusCode, ErrorCode errorCode, String message) {
+        super(statusCode, message);
+        this.detailErrCode = errorCode.getCode();
+        this.errAbstract = errorCode.getMsg();
+    }
+    
+    public int getDetailErrCode() {
+        return detailErrCode;
+    }
+    
+    public String getErrAbstract() {
+        if (!StringUtils.isBlank(this.errAbstract)) {
+            return this.errAbstract;
+        }
+        return Constants.NULL;
+    }
+    
+    public void setErrAbstract(String errAbstract) {
+        this.errAbstract = errAbstract;
+    }
+}

api/src/main/java/com/alibaba/nacos/api/model/v2/ErrorCode.java

@@ -0,0 +1,204 @@
+/*
+ * Copyright 1999-2022 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.api.model.v2;
+
+/**
+ * Response Error Code.
+ *
+ * @author dongyafei
+ * @date 2022/7/22
+ */
+
+public enum ErrorCode {
+    
+    /**
+     *  success.
+     */
+    SUCCESS(0, "success"),
+    
+    /**
+     *  parameter missing.
+     */
+    PARAMETER_MISSING(10000, "parameter missing"),
+    
+    /**
+     *  access denied.
+     */
+    ACCESS_DENIED(10001, "access denied"),
+    
+    /**
+     *  data access error.
+     */
+    DATA_ACCESS_ERROR(10002, "data access error"),
+    
+    /**
+     *  'tenant' parameter error.
+     */
+    TENANT_PARAM_ERROR(20001, "'tenant' parameter error"),
+    
+    /**
+     *  parameter validate error.
+     */
+    PARAMETER_VALIDATE_ERROR(20002, "parameter validate error"),
+    
+    /**
+     *  MediaType Error.
+     */
+    MEDIA_TYPE_ERROR(20003, "MediaType Error"),
+    
+    /**
+     *  resource not found.
+     */
+    RESOURCE_NOT_FOUND(20004, "resource not found"),
+    
+    /**
+     *  resource conflict.
+     */
+    RESOURCE_CONFLICT(20005, "resource conflict"),
+    
+    /**
+     *  config listener is null.
+     */
+    CONFIG_LISTENER_IS_NULL(20006, "config listener is null"),
+    
+    /**
+     *  config listener error.
+     */
+    CONFIG_LISTENER_ERROR(20007, "config listener error"),
+    
+    /**
+     *  invalid dataId.
+     */
+    INVALID_DATA_ID(20008, "invalid dataId"),
+    
+    /**
+     *  parameter mismatch.
+     */
+    PARAMETER_MISMATCH(20009, "parameter mismatch"),
+    
+    /**
+     *  service name error.
+     */
+    SERVICE_NAME_ERROR(21000, "service name error"),
+    
+    /**
+     *  weight error.
+     */
+    WEIGHT_ERROR(21001, "weight error"),
+    
+    /**
+     *  instance metadata error.
+     */
+    INSTANCE_METADATA_ERROR(21002, "instance metadata error"),
+    
+    /**
+     *  instance not found.
+     */
+    INSTANCE_NOT_FOUND(21003, "instance not found"),
+    
+    /**
+     *  instance error.
+     */
+    INSTANCE_ERROR(21004, "instance error"),
+    
+    /**
+     *  service metadata error.
+     */
+    SERVICE_METADATA_ERROR(21005, "service metadata error"),
+    
+    /**
+     *  selector error.
+     */
+    SELECTOR_ERROR(21006, "selector error"),
+    
+    /**
+     *  service already exist.
+     */
+    SERVICE_ALREADY_EXIST(21007, "service already exist"),
+    
+    /**
+     *  service not exist.
+     */
+    SERVICE_NOT_EXIST(21008, "service not exist"),
+    
+    /**
+     *  service delete failure.
+     */
+    SERVICE_DELETE_FAILURE(21009, "service delete failure"),
+    
+    /**
+     *  healthy param miss.
+     */
+    HEALTHY_PARAM_MISS(21010, "healthy param miss"),
+    
+    /**
+     *  health check still running.
+     */
+    HEALTH_CHECK_STILL_RUNNING(21011, "health check still running"),
+    
+    /**
+     *  illegal namespace.
+     */
+    ILLEGAL_NAMESPACE(22000, "illegal namespace"),
+    
+    /**
+     *  namespace not exist.
+     */
+    NAMESPACE_NOT_EXIST(22001, "namespace not exist"),
+    
+    /**
+     *  namespace already exist.
+     */
+    NAMESPACE_ALREADY_EXIST(22002, "namespace already exist"),
+    
+    /**
+     *  illegal state.
+     */
+    ILLEGAL_STATE(23000, "illegal state"),
+    
+    /**
+     *  node info error.
+     */
+    NODE_INFO_ERROR(23001, "node info error"),
+    
+    /**
+     *  node down failure.
+     */
+    NODE_DOWN_FAILURE(23001, "node down failure"),
+    
+    /**
+     *  server error.
+     */
+    SERVER_ERROR(30000, "server error");
+    
+    private final Integer code;
+    
+    private final String msg;
+    
+    public Integer getCode() {
+        return code;
+    }
+    
+    public String getMsg() {
+        return msg;
+    }
+    
+    ErrorCode(Integer code, String msg) {
+        this.code = code;
+        this.msg = msg;
+    }
+}

api/src/main/java/com/alibaba/nacos/api/model/v2/Result.java

@@ -0,0 +1,115 @@
+/*
+ * Copyright 1999-2022 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.api.model.v2;
+
+import java.io.Serializable;
+
+/**
+ * Response Result.
+ *
+ * @author dongyafei
+ * @date 2022/7/12
+ */
+public class Result<T> implements Serializable {
+    
+    private static final long serialVersionUID = 6258345442767540526L;
+    
+    private final Integer code;
+    
+    private final String message;
+    
+    private final T data;
+    
+    public Result(Integer code, String message, T data) {
+        this.code = code;
+        this.message = message;
+        this.data = data;
+    }
+    
+    public Result() {
+        this(null);
+    }
+    
+    public Result(T data) {
+        this(ErrorCode.SUCCESS.getCode(), ErrorCode.SUCCESS.getMsg(), data);
+    }
+    
+    public Result(Integer code, String message) {
+        this(code, message, null);
+    }
+    
+    /**
+     * Success return with nothing.
+     * @param <T> data type
+     * @return Result
+     */
+    public static <T> Result<T> success() {
+        return new Result<>();
+    }
+    
+    /**
+     * Success return with data.
+     * @param <T> data type
+     * @return Result
+     */
+    public static <T> Result<T> success(T data) {
+        return new Result<>(data);
+    }
+    
+    /**
+     * Failed return with message and detail error information.
+     * @return Result
+     */
+    public static Result<String> failure(String message) {
+        return Result.failure(ErrorCode.SERVER_ERROR, message);
+    }
+    
+    /**
+     * Failed return with errorCode and message.
+     * @param <T> data type
+     * @return Result
+     */
+    public static <T> Result<T> failure(ErrorCode errorCode) {
+        return new Result<>(errorCode.getCode(), errorCode.getMsg());
+    }
+    
+    /**
+     * Failed return with errorCode, message and data.
+     * @param <T> data type
+     * @return Result
+     */
+    public static <T> Result<T> failure(ErrorCode errorCode, T data) {
+        return new Result<>(errorCode.getCode(), errorCode.getMsg(), data);
+    }
+    
+    @Override
+    public String toString() {
+        return "Result{" + "errorCode=" + code + ", message='" + message + '\'' + ", data=" + data + '}';
+    }
+    
+    public Integer getCode() {
+        return code;
+    }
+    
+    public String getMessage() {
+        return message;
+    }
+    
+    public T getData() {
+        return data;
+    }
+}

api/src/main/java/com/alibaba/nacos/api/naming/NamingService.java

@@ -107,6 +107,17 @@ public interface NamingService {
      */
     void batchRegisterInstance(String serviceName, String groupName, List<Instance> instances) throws NacosException;
     
+    /**
+     * batch deRegister instance to service with specified instance properties.
+     *
+     * @param serviceName name of service
+     * @param groupName   group of service
+     * @param instances   instances to deRegister
+     * @throws NacosException nacos exception
+     * @since 2.2.0
+     */
+    void batchDeregisterInstance(String serviceName, String groupName, List<Instance> instances) throws NacosException;
+    
     /**
      * deregister instance from a service.
      *

api/src/main/java/com/alibaba/nacos/api/naming/remote/response/BatchInstanceResponse.java

@@ -16,25 +16,18 @@
 
 package com.alibaba.nacos.api.naming.remote.response;
 
-import com.alibaba.nacos.api.remote.response.Response;
-
 /**
  * batch instance response.
  *
  * @author <a href="mailto:chenhao26@xiaomi.com">chenhao26</a>
  */
-public class BatchInstanceResponse extends Response {
-    
-    private String type;
+public class BatchInstanceResponse extends InstanceResponse {
     
     public BatchInstanceResponse() {
+        super();
     }
     
     public BatchInstanceResponse(String type) {
-        this.type = type;
-    }
-    
-    public void setType(String type) {
-        this.type = type;
+        super(type);
     }
 }

api/src/main/java/com/alibaba/nacos/api/naming/remote/response/InstanceResponse.java

@@ -38,4 +38,7 @@ public class InstanceResponse extends Response {
         this.type = type;
     }
     
+    public String getType() {
+        return type;
+    }
 }

api/src/main/java/com/alibaba/nacos/api/naming/utils/NamingUtils.java

@@ -18,6 +18,8 @@ package com.alibaba.nacos.api.naming.utils;
 
 import com.alibaba.nacos.api.common.Constants;
 import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.exception.api.NacosApiException;
+import com.alibaba.nacos.api.model.v2.ErrorCode;
 import com.alibaba.nacos.api.naming.pojo.Instance;
 import com.alibaba.nacos.api.utils.StringUtils;
 
@@ -138,11 +140,11 @@ public class NamingUtils {
     public static void checkInstanceIsLegal(Instance instance) throws NacosException {
         if (instance.getInstanceHeartBeatTimeOut() < instance.getInstanceHeartBeatInterval()
                 || instance.getIpDeleteTimeout() < instance.getInstanceHeartBeatInterval()) {
-            throw new NacosException(NacosException.INVALID_PARAM,
+            throw new NacosApiException(NacosException.INVALID_PARAM, ErrorCode.INSTANCE_ERROR,
                     "Instance 'heart beat interval' must less than 'heart beat timeout' and 'ip delete timeout'.");
         }
         if (!StringUtils.isEmpty(instance.getClusterName()) && !CLUSTER_NAME_PATTERN.matcher(instance.getClusterName()).matches()) {
-            throw new NacosException(NacosException.INVALID_PARAM,
+            throw new NacosApiException(NacosException.INVALID_PARAM, ErrorCode.INSTANCE_ERROR,
                     String.format("Instance 'clusterName' should be characters with only 0-9a-zA-Z-. (current: %s)",
                             instance.getClusterName()));
         }
@@ -155,7 +157,7 @@ public class NamingUtils {
      */
     public static void checkInstanceIsEphemeral(Instance instance) throws NacosException {
         if (!instance.isEphemeral()) {
-            throw new NacosException(NacosException.INVALID_PARAM,
+            throw new NacosApiException(NacosException.INVALID_PARAM, ErrorCode.INSTANCE_ERROR,
                     String.format("Batch registration does not allow persistent instance registration , Instance：%s", instance));
         }
     }

api/src/main/java/com/alibaba/nacos/api/utils/NetUtils.java

@@ -30,14 +30,11 @@ import java.util.Enumeration;
  * @author xuanyin.zy
  */
 public class NetUtils {
-
-    @Deprecated
-    private static final String CLIENT_NAMING_LOCAL_IP_PROPERTY = "com.alibaba.nacos.client.naming.local.ip";
-
+    
     private static final String CLIENT_LOCAL_IP_PROPERTY = "com.alibaba.nacos.client.local.ip";
-
+    
     private static final String CLIENT_LOCAL_PREFER_HOSTNAME_PROPERTY = "com.alibaba.nacos.client.local.preferHostname";
-
+    
     private static final String LEGAL_LOCAL_IP_PROPERTY = "java.net.preferIPv6Addresses";
     
     private static final String DEFAULT_SOLVE_FAILED_RETURN = "resolve_failed";
@@ -53,23 +50,19 @@ public class NetUtils {
         if (!StringUtils.isEmpty(localIp)) {
             return localIp;
         }
-
         if (System.getProperties().containsKey(CLIENT_LOCAL_IP_PROPERTY)) {
             return localIp = System.getProperty(CLIENT_LOCAL_IP_PROPERTY, getAddress());
         }
-
-        String ip = System.getProperty(CLIENT_NAMING_LOCAL_IP_PROPERTY, getAddress());
-        
-        return localIp = ip;
-        
+        localIp = getAddress();
+        return localIp;
     }
-
+    
     private static String getAddress() {
         InetAddress inetAddress = findFirstNonLoopbackAddress();
         if (inetAddress == null) {
             return DEFAULT_SOLVE_FAILED_RETURN;
         }
-
+        
         boolean preferHost = Boolean.parseBoolean(System.getProperty(CLIENT_LOCAL_PREFER_HOSTNAME_PROPERTY));
         return preferHost ? inetAddress.getHostName() : inetAddress.getHostAddress();
     }
@@ -91,9 +84,8 @@ public class NetUtils {
                     
                     for (Enumeration<InetAddress> addrs = ifc.getInetAddresses(); addrs.hasMoreElements(); ) {
                         InetAddress address = addrs.nextElement();
-                        boolean isLegalIpVersion =
-                                Boolean.parseBoolean(System.getProperty(LEGAL_LOCAL_IP_PROPERTY))
-                                        ? address instanceof Inet6Address : address instanceof Inet4Address;
+                        boolean isLegalIpVersion = Boolean.parseBoolean(System.getProperty(LEGAL_LOCAL_IP_PROPERTY))
+                                ? address instanceof Inet6Address : address instanceof Inet4Address;
                         if (isLegalIpVersion && !address.isLoopbackAddress()) {
                             result = address;
                         }

api/src/test/java/com/alibaba/nacos/api/naming/utils/NamingUtilsTest.java

@@ -54,7 +54,7 @@ public class NamingUtilsTest {
             NamingUtils.checkInstanceIsLegal(instance);
             assertTrue(false);
         } catch (Exception e) {
-            assertTrue(NacosException.class.equals(e.getClass()));
+            assertTrue(e instanceof NacosException);
             assertEquals(
                     "Instance 'clusterName' should be characters with only 0-9a-zA-Z-. (current: cluster1,cluster2)",
                     e.getMessage());
@@ -75,7 +75,7 @@ public class NamingUtilsTest {
             NamingUtils.checkInstanceIsLegal(instance);
             assertTrue(false);
         } catch (Exception e) {
-            assertTrue(NacosException.class.equals(e.getClass()));
+            assertTrue(e instanceof NacosException);
             assertEquals(
                     "Instance 'heart beat interval' must less than 'heart beat timeout' and 'ip delete timeout'.",
                     e.getMessage());
@@ -98,7 +98,7 @@ public class NamingUtilsTest {
             NamingUtils.batchCheckInstanceIsLegal(instanceList);
             assertTrue(false);
         } catch (Exception e) {
-            assertTrue(NacosException.class.equals(e.getClass()));
+            assertTrue(e instanceof NacosException);
             assertEquals(
                     "Instance 'clusterName' should be characters with only 0-9a-zA-Z-. (current: cluster1,cluster2)",
                     e.getMessage());
@@ -124,7 +124,7 @@ public class NamingUtilsTest {
             NamingUtils.batchCheckInstanceIsLegal(instanceList);
             assertTrue(false);
         } catch (Exception e) {
-            assertTrue(NacosException.class.equals(e.getClass()));
+            assertTrue(e instanceof NacosException);
             assertEquals(
                     "Instance 'heart beat interval' must less than 'heart beat timeout' and 'ip delete timeout'.",
                     e.getMessage());
@@ -166,4 +166,4 @@ public class NamingUtilsTest {
         String str2 = "123456";
         assertTrue(NamingUtils.isNumber(str2));
     }
-}
+}

api/src/test/java/com/alibaba/nacos/api/utils/NetUtilsTest.java

@@ -34,7 +34,6 @@ public class NetUtilsTest {
         field.setAccessible(true);
         field.set(null, "");
         System.clearProperty("com.alibaba.nacos.client.local.ip");
-        System.clearProperty("com.alibaba.nacos.client.naming.local.ip");
         System.clearProperty("com.alibaba.nacos.client.local.preferHostname");
     }
 
@@ -45,12 +44,6 @@ public class NetUtilsTest {
         assertEquals("10.2.8.8", NetUtils.localIP());
     }
 
-    @Test
-    public void testCompatibleLocalIP() {
-        System.setProperty("com.alibaba.nacos.client.naming.local.ip", "10.2.7.8");
-        assertEquals("10.2.7.8", NetUtils.localIP());
-    }
-
     @Test
     public void testPreferHostname() throws Exception {
         Class<?> clazz = Class.forName("com.alibaba.nacos.api.utils.NetUtils");
@@ -63,4 +56,4 @@ public class NetUtilsTest {
         assertEquals(hostname, NetUtils.localIP());
     }
 
-}
+}

client/pom.xml

@@ -145,7 +145,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-shade-plugin</artifactId>
-                        <version>3.2.1</version>
+                        <version>3.2.4</version>
                         <configuration>
                             <createDependencyReducedPom>false</createDependencyReducedPom>
                         </configuration>
@@ -159,25 +159,56 @@
                                     <keepDependenciesWithProvidedScope>false</keepDependenciesWithProvidedScope>
                                     <promoteTransitiveDependencies>true</promoteTransitiveDependencies>
                                     <createDependencyReducedPom>false</createDependencyReducedPom>
-                                    <minimizeJar>false</minimizeJar>
+                                    <minimizeJar>true</minimizeJar>
+                                    <filters>
+                                        <filter>
+                                            <artifact>*:*</artifact>
+                                            <excludes>
+                                                <exclude>META-INF/*.SF</exclude>
+                                                <exclude>META-INF/*.DSA</exclude>
+                                                <exclude>META-INF/*.RSA</exclude>
+                                            </excludes>
+                                        </filter>
+                                        <filter>
+                                            <artifact>io.grpc:grpc-netty-shaded</artifact>
+                                            <excludes>
+                                                <exclude>
+                                                    META-INF/native/*.*
+                                                </exclude>
+                                            </excludes>
+                                        </filter>
+                                        <filter>
+                                            <artifact>com.alibaba.nacos:nacos-api</artifact>
+                                            <includes>
+                                                <include>
+                                                    com/alibaba/nacos/api/**/**
+                                                </include>
+                                            </includes>
+                                        </filter>
+                    
+                                    </filters>
                                     <createSourcesJar>true</createSourcesJar>
                                     <shadeSourcesContent>true</shadeSourcesContent>
                     
                                     <artifactSet>
                                         <includes>
-                                            <include>io.grpc:*</include>
-                                            <include>io.opencensus:*</include>
-                                            <include>io.perfmark:*</include>
-                                            <include>com.google.guava:guava</include>
-                                            <include>com.google.guava:failureaccess</include>
-                                            <include>com.google.errorprone:error_prone_annotations</include>
-                                            <include>com.google.j2objc:j2objc-annotations</include>
-                                            <include>com.google.code.gson:gson</include>
-                                            <include>com.google.protobuf:protobuf-java</include>
                                             <include>com.alibaba.nacos:nacos-api</include>
                                             <include>com.alibaba.nacos:nacos-common</include>
-                                            <include>org.checkerframework:checker-qual</include>
+                                            <include>org.conscrypt:conscrypt-openjdk</include>
+                                            <include>org.mortbay.jetty.alpn:alpn-boot</include>
+                                            <include>org.eclipse.jetty.npn:npn-api</include>
+                                            <include>org.reflections:reflections</include>
+                                            <include>com.google.guava:guava</include>
+                                            <include>io.grpc:*</include>
+                                            <include>io.opencensus:*</include>
+                                            <include>org.javassist:*</include>
+                                            <include>io.perfmark:perfmark-api</include>
+                                            <include>com.google.*:*</include>
+                                            <include>javax.annotation:javax.annotation-api</include>
+                                            <include>org.checkerframework:*</include>
+                                            <include>org.codehaus.mojo:*</include>
                                         </includes>
+                    
                                     </artifactSet>
                     
                                     <relocations>
@@ -202,6 +233,12 @@
                                             <pattern>com.google</pattern>
                                             <shadedPattern>com.alibaba.nacos.shaded.com.google</shadedPattern>
                                         </relocation>
+                        
+                                        <relocation>
+                                            <pattern>javax.annotation</pattern>
+                                            <shadedPattern>com.alibaba.nacos.shaded.javax.annotation</shadedPattern>
+                                        </relocation>
+                        
                                         <relocation>
                                             <pattern>io.perfmark</pattern>
                                             <shadedPattern>com.alibaba.nacos.shaded.io.perfmark</shadedPattern>
@@ -227,7 +264,6 @@
                                             <shadedPattern>com.alibaba.nacos.shaded.org.example</shadedPattern>
                                         </relocation>
                     
-                    
                                     </relocations>
                                     <transformers>
                                         <transformer
@@ -240,6 +276,21 @@
                             </execution>
                         </executions>
                     </plugin>
+                    <plugin>
+                        <artifactId>maven-jar-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>pure-jar</id>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>jar</goal>
+                                </goals>
+                                <configuration>
+                                    <classifier>pure</classifier>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
                 </plugins>
             </build>
         </profile>
@@ -250,7 +301,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-shade-plugin</artifactId>
-                        <version>3.2.1</version>
+                        <version>3.2.4</version>
                         <configuration>
                             <createDependencyReducedPom>false</createDependencyReducedPom>
                         </configuration>
@@ -264,29 +315,60 @@
                                     <keepDependenciesWithProvidedScope>false</keepDependenciesWithProvidedScope>
                                     <promoteTransitiveDependencies>true</promoteTransitiveDependencies>
                                     <createDependencyReducedPom>false</createDependencyReducedPom>
-                                    <minimizeJar>false</minimizeJar>
+                                    <minimizeJar>true</minimizeJar>
+                                    <filters>
+                                        <filter>
+                                            <artifact>*:*</artifact>
+                                            <excludes>
+                                                <exclude>META-INF/*.SF</exclude>
+                                                <exclude>META-INF/*.DSA</exclude>
+                                                <exclude>META-INF/*.RSA</exclude>
+                                            </excludes>
+                                        </filter>
+                                        <filter>
+                                            <artifact>io.grpc:grpc-netty-shaded</artifact>
+                                            <excludes>
+                                                <exclude>
+                                                    META-INF/native/*.*
+                                                </exclude>
+                                            </excludes>
+                                        </filter>
+                                        <filter>
+                                            <artifact>com.alibaba.nacos:nacos-api</artifact>
+                                            <includes>
+                                                <include>
+                                                    com/alibaba/nacos/api/**/**
+                                                </include>
+                                            </includes>
+                                        </filter>
+                                       
+                                    </filters>
                                     <createSourcesJar>true</createSourcesJar>
                                     <shadeSourcesContent>true</shadeSourcesContent>
-                                
+                                  
                                     <artifactSet>
                                         <includes>
-                                            <include>io.grpc:*</include>
-                                            <include>io.opencensus:*</include>
-                                            <include>io.perfmark:*</include>
-                                            <include>com.google.guava:guava</include>
-                                            <include>com.google.guava:failureaccess</include>
-                                            <include>com.google.errorprone:error_prone_annotations</include>
-                                            <include>com.google.j2objc:j2objc-annotations</include>
-                                            <include>com.google.code.gson:gson</include>
-                                            <include>com.google.protobuf:protobuf-java</include>
                                             <include>com.alibaba.nacos:nacos-api</include>
                                             <include>com.alibaba.nacos:nacos-common</include>
-                                            <include>org.checkerframework:checker-qual</include>
+                                            <include>org.conscrypt:conscrypt-openjdk</include>
+                                            <include>org.mortbay.jetty.alpn:alpn-boot</include>
+                                            <include>org.eclipse.jetty.npn:npn-api</include>
+                                            <include>org.reflections:reflections</include>
+                                            <include>com.google.guava:guava</include>
+                                            <include>io.grpc:*</include>
+                                            <include>io.opencensus:*</include>
+                                            <include>org.javassist:*</include>
+                                            <include>io.perfmark:perfmark-api</include>
+                                            <include>com.google.*:*</include>
+                                            <include>javax.annotation:javax.annotation-api</include>
+                                            <include>org.checkerframework:*</include>
+                                            <include>org.codehaus.mojo:*</include>
                                         </includes>
+                                        
                                     </artifactSet>
-                                
+    
                                     <relocations>
-                                    
+        
                                         <relocation>
                                             <pattern>io.grpc</pattern>
                                             <shadedPattern>com.alibaba.nacos.shaded.io.grpc</shadedPattern>
@@ -302,11 +384,17 @@
                                                 <include>io.grpc.netty.shaded.io.grpc.netty.*</include>
                                             </includes>
                                         </relocation>
-                                    
+    
                                         <relocation>
                                             <pattern>com.google</pattern>
                                             <shadedPattern>com.alibaba.nacos.shaded.com.google</shadedPattern>
                                         </relocation>
+    
+                                        <relocation>
+                                            <pattern>javax.annotation</pattern>
+                                            <shadedPattern>com.alibaba.nacos.shaded.javax.annotation</shadedPattern>
+                                        </relocation>
+    
                                         <relocation>
                                             <pattern>io.perfmark</pattern>
                                             <shadedPattern>com.alibaba.nacos.shaded.io.perfmark</shadedPattern>
@@ -331,20 +419,34 @@
                                             <pattern>org.example</pattern>
                                             <shadedPattern>com.alibaba.nacos.shaded.org.example</shadedPattern>
                                         </relocation>
-                                
-                                
+    
                                     </relocations>
                                     <transformers>
                                         <transformer
                                             implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"/>
                                         <transformer
                                             implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
-                                
+    
                                     </transformers>
                                 </configuration>
                             </execution>
                         </executions>
                     </plugin>
+                    <plugin>
+                        <artifactId>maven-jar-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>pure-jar</id>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>jar</goal>
+                                </goals>
+                                <configuration>
+                                    <classifier>pure</classifier>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
                 </plugins>
             </build>
         </profile>

client/src/main/java/com/alibaba/nacos/client/auth/ram/identify/CredentialService.java

@@ -126,25 +126,4 @@ public final class CredentialService implements SpasCredentialLoader {
     public void registerCredentialListener(CredentialListener listener) {
         this.listener = listener;
     }
-    
-    @Deprecated
-    public void setAccessKey(String accessKey) {
-        credentials.setAccessKey(accessKey);
-    }
-    
-    @Deprecated
-    public void setSecretKey(String secretKey) {
-        credentials.setSecretKey(secretKey);
-    }
-    
-    @Deprecated
-    public String getAccessKey() {
-        return credentials.getAccessKey();
-    }
-    
-    @Deprecated
-    public String getSecretKey() {
-        return credentials.getSecretKey();
-    }
-    
 }

client/src/main/java/com/alibaba/nacos/client/config/http/ServerHttpAgent.java

@@ -275,6 +275,7 @@ public class ServerHttpAgent implements HttpAgent {
         String className = this.getClass().getName();
         LOGGER.info("{} do shutdown begin", className);
         ConfigHttpClientManager.getInstance().shutdown();
+        serverListMgr.shutdown();
         LOGGER.info("{} do shutdown stop", className);
     }
 }

client/src/main/java/com/alibaba/nacos/client/config/impl/CacheData.java

@@ -111,6 +111,11 @@ public class CacheData {
      */
     private volatile boolean isSyncWithServer = false;
     
+    /**
+     * if is cache data is discard,need to remove.
+     */
+    private volatile boolean isDiscard = false;
+    
     private String type;
     
     public boolean isInitializing() {
@@ -402,6 +407,14 @@ public class CacheData {
         isSyncWithServer = syncWithServer;
     }
     
+    public boolean isDiscard() {
+        return isDiscard;
+    }
+    
+    public void setDiscard(boolean discard) {
+        isDiscard = discard;
+    }
+    
     public CacheData(ConfigFilterChainManager configFilterChainManager, String name, String dataId, String group) {
         this(configFilterChainManager, name, dataId, group, TenantUtil.getUserTenantForAcm());
     }

client/src/main/java/com/alibaba/nacos/client/config/impl/ClientWorker.java

@@ -126,11 +126,11 @@ public class ClientWorker implements Closeable {
     private int taskPenaltyTime;
     
     private boolean enableRemoteSyncConfig = false;
-
+    
     private static final int MIN_THREAD_NUM = 2;
-
+    
     private static final int THREAD_MULTIPLE = 1;
-
+    
     /**
      * Add listeners for data.
      *
@@ -146,6 +146,7 @@ public class ClientWorker implements Closeable {
             for (Listener listener : listeners) {
                 cache.addListener(listener);
             }
+            cache.setDiscard(false);
             cache.setSyncWithServer(false);
             agent.notifyListenConfig();
             
@@ -169,6 +170,7 @@ public class ClientWorker implements Closeable {
             for (Listener listener : listeners) {
                 cache.addListener(listener);
             }
+            cache.setDiscard(false);
             cache.setSyncWithServer(false);
             agent.notifyListenConfig();
         }
@@ -196,6 +198,7 @@ public class ClientWorker implements Closeable {
             for (Listener listener : listeners) {
                 cache.addListener(listener);
             }
+            cache.setDiscard(false);
             cache.setSyncWithServer(false);
             agent.notifyListenConfig();
         }
@@ -217,6 +220,7 @@ public class ClientWorker implements Closeable {
                 cache.removeListener(listener);
                 if (cache.getListeners().isEmpty()) {
                     cache.setSyncWithServer(false);
+                    cache.setDiscard(true);
                     agent.removeCache(dataId, group);
                 }
             }
@@ -240,6 +244,7 @@ public class ClientWorker implements Closeable {
                 cache.removeListener(listener);
                 if (cache.getListeners().isEmpty()) {
                     cache.setSyncWithServer(false);
+                    cache.setDiscard(true);
                     agent.removeCache(dataId, group);
                 }
             }
@@ -425,8 +430,8 @@ public class ClientWorker implements Closeable {
     }
     
     private void refreshContentAndCheck(String groupKey, boolean notify) {
-        if (cacheMap.get() != null && cacheMap.get().containsKey(groupKey)) {
-            CacheData cache = cacheMap.get().get(groupKey);
+        CacheData cache = cacheMap.get().get(groupKey);
+        if (cache != null) {
             refreshContentAndCheck(cache, notify);
         }
     }
@@ -696,7 +701,7 @@ public class ClientWorker implements Closeable {
                             continue;
                         }
                         executeConfigListen();
-                    } catch (Exception e) {
+                    } catch (Throwable e) {
                         LOGGER.error("[ rpc listen execute ] [rpc listen] exception", e);
                     }
                 }
@@ -733,7 +738,7 @@ public class ClientWorker implements Closeable {
                         }
                     }
                     
-                    if (!CollectionUtils.isEmpty(cache.getListeners())) {
+                    if (!cache.isDiscard()) {
                         //get listen  config
                         if (!cache.isUseLocalConfigInfo()) {
                             List<CacheData> cacheDatas = listenCachesMap.get(String.valueOf(cache.getTaskId()));
@@ -744,7 +749,7 @@ public class ClientWorker implements Closeable {
                             cacheDatas.add(cache);
                             
                         }
-                    } else if (CollectionUtils.isEmpty(cache.getListeners())) {
+                    } else if (cache.isDiscard()) {
                         
                         if (!cache.isUseLocalConfigInfo()) {
                             List<CacheData> cacheDatas = removeListenCachesMap.get(String.valueOf(cache.getTaskId()));
@@ -779,7 +784,7 @@ public class ClientWorker implements Closeable {
                         RpcClient rpcClient = ensureRpcClient(taskId);
                         ConfigChangeBatchListenResponse configChangeBatchListenResponse = (ConfigChangeBatchListenResponse) requestProxy(
                                 rpcClient, configChangeListenRequest);
-                        if (configChangeBatchListenResponse != null && configChangeBatchListenResponse.isSuccess()) {
+                        if (configChangeBatchListenResponse.isSuccess()) {
                             
                             Set<String> changeKeys = new HashSet<>();
                             //handle changed keys,notify listener
@@ -807,8 +812,8 @@ public class ClientWorker implements Closeable {
                                         if (!cacheData.getListeners().isEmpty()) {
                                             
                                             Long previousTimesStamp = timestampMap.get(groupKey);
-                                            if (previousTimesStamp != null && !cacheData.getLastModifiedTs().compareAndSet(previousTimesStamp,
-                                                    System.currentTimeMillis())) {
+                                            if (previousTimesStamp != null && !cacheData.getLastModifiedTs()
+                                                    .compareAndSet(previousTimesStamp, System.currentTimeMillis())) {
                                                 continue;
                                             }
                                             cacheData.setSyncWithServer(true);
@@ -844,7 +849,7 @@ public class ClientWorker implements Closeable {
                         if (removeSuccess) {
                             for (CacheData cacheData : removeListenCaches) {
                                 synchronized (cacheData) {
-                                    if (cacheData.getListeners().isEmpty()) {
+                                    if (cacheData.isDiscard()) {
                                         ClientWorker.this
                                                 .removeCache(cacheData.dataId, cacheData.group, cacheData.tenant);
                                     }
@@ -979,8 +984,8 @@ public class ClientWorker implements Closeable {
                 LOGGER.error("[{}] [sub-server-error]  dataId={}, group={}, tenant={}, code={}", this.getName(), dataId,
                         group, tenant, response);
                 throw new NacosException(response.getErrorCode(),
-                        "http error, code=" + response.getErrorCode() + ",msg=" + response.getMessage() + ",dataId=" + dataId + ",group=" + group
-                                + ",tenant=" + tenant);
+                        "http error, code=" + response.getErrorCode() + ",msg=" + response.getMessage() + ",dataId="
+                                + dataId + ",group=" + group + ",tenant=" + tenant);
                 
             }
         }
@@ -1012,20 +1017,20 @@ public class ClientWorker implements Closeable {
             if (request instanceof ConfigQueryRequest) {
                 String tenant = ((ConfigQueryRequest) request).getTenant();
                 String group = ((ConfigQueryRequest) request).getGroup();
-                String dataId = ((ConfigQueryRequest) request).getGroup();
+                String dataId = ((ConfigQueryRequest) request).getDataId();
                 return buildResource(tenant, group, dataId);
             }
             if (request instanceof ConfigPublishRequest) {
                 String tenant = ((ConfigPublishRequest) request).getTenant();
                 String group = ((ConfigPublishRequest) request).getGroup();
-                String dataId = ((ConfigPublishRequest) request).getGroup();
+                String dataId = ((ConfigPublishRequest) request).getDataId();
                 return buildResource(tenant, group, dataId);
             }
             
             if (request instanceof ConfigRemoveRequest) {
                 String tenant = ((ConfigRemoveRequest) request).getTenant();
                 String group = ((ConfigRemoveRequest) request).getGroup();
-                String dataId = ((ConfigRemoveRequest) request).getGroup();
+                String dataId = ((ConfigRemoveRequest) request).getDataId();
                 return buildResource(tenant, group, dataId);
             }
             return RequestResource.configBuilder().build();
@@ -1059,7 +1064,7 @@ public class ClientWorker implements Closeable {
                 }
             } catch (Exception e) {
                 LOGGER.warn("[{}] [publish-single] error, dataId={}, group={}, tenant={}, code={}, msg={}",
-                        this.getName(), dataId, group, tenant, "unkonw", e.getMessage());
+                        this.getName(), dataId, group, tenant, "unknown", e.getMessage());
                 return false;
             }
         }

client/src/main/java/com/alibaba/nacos/client/constant/Constants.java

@@ -35,7 +35,7 @@ public class Constants {
         
         public static final String JM_SNAPSHOT_PATH = "JM.SNAPSHOT.PATH";
         
-        public static final String NACOS_ENVS_SEARCH = "nacos.envs.search";
+        public static final String NACOS_ENV_FIRST = "nacos.env.first";
         
     }
     

client/src/main/java/com/alibaba/nacos/client/env/AbstractPropertySource.java

@@ -16,6 +16,8 @@
 
 package com.alibaba.nacos.client.env;
 
+import java.util.Properties;
+
 abstract class AbstractPropertySource {
     
     /**
@@ -31,4 +33,17 @@ abstract class AbstractPropertySource {
      */
     abstract String getProperty(String key);
     
+    /**
+     * Tests if the specified object is a key in this propertySource.
+     * @param key key – possible key
+     * @return true if and only if the specified object is a key in this propertySource, false otherwise.
+     */
+    abstract boolean containsKey(String key);
+    
+    /**
+     * to properties.
+     * @return properties
+     */
+    abstract Properties asProperties();
+    
 }

client/src/main/java/com/alibaba/nacos/client/env/DefaultSettingPropertySource.java

@@ -21,7 +21,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.InputStream;
-import java.net.URL;
 import java.util.Properties;
 
 class DefaultSettingPropertySource extends AbstractPropertySource {
@@ -33,12 +32,10 @@ class DefaultSettingPropertySource extends AbstractPropertySource {
     private final Properties defaultSetting = new Properties();
     
     DefaultSettingPropertySource() {
-        try {
-            final URL resourceUrl = ResourceUtils.getResourceUrl(DEFAULT_SETTING_PATH);
-            final InputStream inputStream = resourceUrl.openStream();
+        try (final InputStream inputStream = ResourceUtils.getResourceUrl(DEFAULT_SETTING_PATH).openStream()) {
             defaultSetting.load(inputStream);
         } catch (Exception e) {
-            LOGGER.warn("load default setting failed");
+            LOGGER.error("load default setting failed", e);
         }
     }
     
@@ -51,4 +48,16 @@ class DefaultSettingPropertySource extends AbstractPropertySource {
     String getProperty(String key) {
         return defaultSetting.getProperty(key);
     }
+    
+    @Override
+    boolean containsKey(String key) {
+        return defaultSetting.containsKey(key);
+    }
+    
+    @Override
+    Properties asProperties() {
+        Properties properties = new Properties();
+        properties.putAll(defaultSetting);
+        return properties;
+    }
 }

client/src/main/java/com/alibaba/nacos/client/env/JvmArgsPropertySource.java

@@ -35,4 +35,16 @@ class JvmArgsPropertySource extends AbstractPropertySource {
     String getProperty(String key) {
         return properties.getProperty(key);
     }
+    
+    @Override
+    boolean containsKey(String key) {
+        return properties.containsKey(key);
+    }
+    
+    @Override
+    Properties asProperties() {
+        Properties properties = new Properties();
+        properties.putAll(this.properties);
+        return properties;
+    }
 }

client/src/main/java/com/alibaba/nacos/client/env/NacosClientProperties.java

@@ -16,12 +16,27 @@
 
 package com.alibaba.nacos.client.env;
 
+import java.util.Properties;
+
 /**
- * nacos env interface.
- *
+ * NacosClientProperties interface.
+ * include all the properties from jvm args, system environment, default setting.
+ * more details you can see https://github.com/alibaba/nacos/issues/8622
  * @author onewe
  */
-public interface NacosEnvironment {
+public interface NacosClientProperties {
+    
+    /**
+     * all the NacosClientProperties object must be created by PROTOTYPE,
+     * so child NacosClientProperties can read properties from the PROTOTYPE.
+     * it looks like this:
+     *  |-PROTOTYPE----------------> ip=127.0.0.1
+     *  |---|-child1---------------> port=6379
+     *  if you search key called "port" from child1, certainly you will get 6379
+     *  if you search key called "ip" from child1, you will get 127.0.0.1.
+     *  because the child can read properties from parent NacosClientProperties
+     */
+    NacosClientProperties PROTOTYPE = SearchableProperties.INSTANCE;
     
     /**
      * get property, if the value can not be got by the special key, the null will be returned.
@@ -87,4 +102,42 @@ public interface NacosEnvironment {
      */
     Long getLong(String key, Long defaultValue);
     
+    /**
+     * set property.
+     * @param key key
+     * @param value value
+     */
+    void setProperty(String key, String value);
+    
+    /**
+     * add properties.
+     * @param properties properties
+     */
+    void addProperties(Properties properties);
+    
+    /**
+     * Tests if the specified object is a key in this NacosClientProperties.
+     * @param key key – possible key
+     * @return true if and only if the specified object is a key in this NacosClientProperties, false otherwise.
+     */
+    boolean containsKey(String key);
+    
+    /**
+     * get properties from NacosClientProperties.
+     * @return properties
+     */
+    Properties asProperties();
+    
+    /**
+     * create a new NacosClientProperties which scope is itself.
+     * @return NacosClientProperties
+     */
+    NacosClientProperties derive();
+    
+    /**
+     * create a new NacosClientProperties from NacosClientProperties#PROTOTYPE and init.
+     * @param properties properties
+     * @return NacosClientProperties
+     */
+    NacosClientProperties derive(Properties properties);
 }

client/src/main/java/com/alibaba/nacos/client/env/NacosEnvironmentFactory.java

@@ -1,68 +0,0 @@
-/*
- * Copyright 1999-2022 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.alibaba.nacos.client.env;
-
-import java.lang.reflect.InvocationHandler;
-import java.lang.reflect.Method;
-import java.lang.reflect.Proxy;
-import java.util.Properties;
-
-class NacosEnvironmentFactory {
-    
-    /**
-     * create nacos environment.
-     * @return NacosEnvironment's proxy object, it contains a SearchableEnvironment object.
-     * @see SearchableEnvironment
-     */
-    static NacosEnvironment createEnvironment() {
-        
-        return (NacosEnvironment) Proxy.newProxyInstance(NacosEnvironmentFactory.class.getClassLoader(), new Class[] {NacosEnvironment.class},
-                new NacosEnvironmentDelegate() {
-                    volatile NacosEnvironment environment;
-                
-                    @Override
-                    public void init(Properties properties) {
-                        if (environment == null) {
-                            synchronized (NacosEnvironmentFactory.class) {
-                                if (environment == null) {
-                                    environment = new SearchableEnvironment(properties);
-                                }
-                            }
-                        }
-                    }
-                
-                    @Override
-                    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
-                        if (environment == null) {
-                            throw new IllegalStateException(
-                                    "Nacos environment doesn't init, please call NacosEnvs#init method then try it again.");
-                        }
-                        return method.invoke(environment, args);
-                    }
-                });
-    }
-    
-    interface NacosEnvironmentDelegate extends InvocationHandler {
-    
-        /**
-         * init environment.
-         * @param properties user customize properties
-         */
-        void init(Properties properties);
-    }
-    
-}

client/src/main/java/com/alibaba/nacos/client/env/NacosEnvs.java

@@ -1,116 +0,0 @@
-/*
- * Copyright 1999-2022 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.alibaba.nacos.client.env;
-
-import java.lang.reflect.Proxy;
-import java.util.Properties;
-
-/**
- * environment utils.
- * @author onewe
- */
-public class NacosEnvs {
-    
-    private static final NacosEnvironment ENVIRONMENT = NacosEnvironmentFactory.createEnvironment();
-    
-    /**
-     * init environment.
-     * @param properties properties
-     */
-    public static void init(Properties properties) {
-        NacosEnvironmentFactory.NacosEnvironmentDelegate warrper = (NacosEnvironmentFactory.NacosEnvironmentDelegate) Proxy.getInvocationHandler(
-                ENVIRONMENT);
-        warrper.init(properties);
-    }
-    
-    public static String getProperty(String key, String defaultValue) {
-        return ENVIRONMENT.getProperty(key, defaultValue);
-    }
-    
-    /**
-     * get property, if the value can not be got by the special key, the null will be returned.
-     *
-     * @param key special key
-     * @return string value or null.
-     */
-    public static String getProperty(String key) {
-        return ENVIRONMENT.getProperty(key);
-    }
-    
-    /**
-     * get boolean, if the value can not be got by the special key, the null will be returned.
-     *
-     * @param key special key
-     * @return boolean value or null.
-     */
-    public static Boolean getBoolean(String key) {
-        return ENVIRONMENT.getBoolean(key);
-    }
-    
-    /**
-     * get boolean, if the value can not be got by the special key, the default value will be returned.
-     *
-     * @param key          special key
-     * @param defaultValue default value
-     * @return boolean value or defaultValue.
-     */
-    public static Boolean getBoolean(String key, Boolean defaultValue) {
-        return ENVIRONMENT.getBoolean(key, defaultValue);
-    }
-    
-    /**
-     * get integer, if the value can not be got by the special key, the null will be returned.
-     *
-     * @param key special key
-     * @return integer value or null
-     */
-    public static Integer getInteger(String key) {
-        return ENVIRONMENT.getInteger(key);
-    }
-    
-    /**
-     * get integer, if the value can not be got by the special key, the default value will be returned.
-     *
-     * @param key          special key
-     * @param defaultValue default value
-     * @return integer value or default value
-     */
-    public static Integer getInteger(String key, Integer defaultValue) {
-        return ENVIRONMENT.getInteger(key, defaultValue);
-    }
-    
-    /**
-     * get long, if the value can not be got by the special key, the null will be returned.
-     *
-     * @param key special key
-     * @return long value or null
-     */
-    public static Long getLong(String key) {
-        return ENVIRONMENT.getLong(key);
-    }
-    
-    /**
-     * get long, if the value can not be got by the special key, the default value will be returned.
-     *
-     * @param key          special key
-     * @param defaultValue default value
-     * @return long value or default value
-     */
-    public static Long getLong(String key, Long defaultValue) {
-        return ENVIRONMENT.getLong(key, defaultValue);
-    }
-}

client/src/main/java/com/alibaba/nacos/client/env/PropertiesPropertySource.java

@@ -16,14 +16,23 @@
 
 package com.alibaba.nacos.client.env;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.ListIterator;
 import java.util.Properties;
 
 class PropertiesPropertySource extends AbstractPropertySource {
     
-    private final Properties properties;
+    private final Properties properties = new Properties();
     
-    PropertiesPropertySource(Properties properties) {
-        this.properties = properties;
+    private final PropertiesPropertySource parent;
+    
+    PropertiesPropertySource() {
+        this.parent = null;
+    }
+    
+    PropertiesPropertySource(PropertiesPropertySource parent) {
+        this.parent = parent;
     }
     
     @Override
@@ -33,6 +42,67 @@ class PropertiesPropertySource extends AbstractPropertySource {
     
     @Override
     String getProperty(String key) {
-        return properties.getProperty(key);
+        return getProperty(this, key);
+    }
+    
+    private String getProperty(PropertiesPropertySource propertiesPropertySource, String key) {
+        final String value = propertiesPropertySource.properties.getProperty(key);
+        if (value != null) {
+            return value;
+        }
+        final PropertiesPropertySource parent = propertiesPropertySource.parent;
+        if (parent == null) {
+            return null;
+        }
+        return getProperty(parent, key);
+    }
+    
+    @Override
+    boolean containsKey(String key) {
+        return containsKey(this, key);
+    }
+    
+    boolean containsKey(PropertiesPropertySource propertiesPropertySource, String key) {
+        final boolean exist = propertiesPropertySource.properties.containsKey(key);
+        if (exist) {
+            return true;
+        }
+        final PropertiesPropertySource parent = propertiesPropertySource.parent;
+        if (parent == null) {
+            return false;
+        }
+        return containsKey(parent, key);
+    }
+    
+    @Override
+    Properties asProperties() {
+        List<Properties> propertiesList = new ArrayList<>(8);
+        
+        propertiesList = lookForProperties(this, propertiesList);
+        
+        Properties ret = new Properties();
+        final ListIterator<Properties> iterator = propertiesList.listIterator(propertiesList.size());
+        while (iterator.hasPrevious()) {
+            final Properties properties = iterator.previous();
+            ret.putAll(properties);
+        }
+        return ret;
+    }
+    
+    List<Properties> lookForProperties(PropertiesPropertySource propertiesPropertySource, List<Properties> propertiesList) {
+        propertiesList.add(propertiesPropertySource.properties);
+        final PropertiesPropertySource parent = propertiesPropertySource.parent;
+        if (parent == null) {
+            return propertiesList;
+        }
+        return lookForProperties(parent, propertiesList);
+    }
+    
+    synchronized void setProperty(String key, String value) {
+        properties.setProperty(key, value);
+    }
+    
+    synchronized void addProperties(Properties source) {
+        properties.putAll(source);
     }
 }

client/src/main/java/com/alibaba/nacos/client/env/PropertySourceSearch.java

@@ -1,119 +0,0 @@
-/*
- * Copyright 1999-2022 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.alibaba.nacos.client.env;
-
-import com.alibaba.nacos.client.constant.Constants;
-import com.alibaba.nacos.client.env.convert.CompositeConverter;
-import com.alibaba.nacos.common.utils.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Properties;
-import java.util.stream.Collectors;
-
-class PropertySourceSearch {
-    
-    private static final Logger LOGGER = LoggerFactory.getLogger(PropertySourceSearch.class);
-    
-    private static final List<SourceType> DEFAULT_ORDER = Arrays.asList(SourceType.PROPERTIES, SourceType.JVM,
-            SourceType.SYS);
-    
-    private final List<AbstractPropertySource> propertySources;
-    
-    private final CompositeConverter converter;
-    
-    private PropertySourceSearch(List<AbstractPropertySource> propertySources) {
-        this.propertySources = propertySources;
-        this.propertySources.add(new DefaultSettingPropertySource());
-        this.converter = new CompositeConverter();
-    }
-    
-    static PropertySourceSearch build(Properties properties) {
-        if (properties == null) {
-            properties = new Properties();
-        }
-        PropertiesPropertySource customizePropertySource = new PropertiesPropertySource(properties);
-        JvmArgsPropertySource jvmArgsPropertySource = new JvmArgsPropertySource();
-        SystemEnvPropertySource systemEnvPropertySource = new SystemEnvPropertySource();
-    
-        String searchPattern = jvmArgsPropertySource.getProperty(Constants.SysEnv.NACOS_ENVS_SEARCH);
-        if (StringUtils.isBlank(searchPattern)) {
-            searchPattern = systemEnvPropertySource.getProperty(Constants.SysEnv.NACOS_ENVS_SEARCH);
-        }
-        
-        return resolve(searchPattern, customizePropertySource, jvmArgsPropertySource, systemEnvPropertySource);
-    }
-    
-    private static PropertySourceSearch resolve(String pattern, AbstractPropertySource... propertySources) {
-        
-        if (StringUtils.isBlank(pattern)) {
-            return createPropertySourceSearchWithDefaultOrder(propertySources);
-        }
-        
-        try {
-            final SourceType sourceType = SourceType.valueOf(pattern.toUpperCase());
-            return createPropertySourceSearchByFirstType(sourceType, propertySources);
-        } catch (Exception e) {
-            LOGGER.error("first source type parse error, it will be use default order!");
-            return createPropertySourceSearchWithDefaultOrder(propertySources);
-        }
-    }
-    
-    private static PropertySourceSearch createPropertySourceSearchWithDefaultOrder(AbstractPropertySource... propertySources) {
-        final Map<SourceType, AbstractPropertySource> sourceMap = Arrays.stream(propertySources)
-                .collect(Collectors.toMap(AbstractPropertySource::getType, propertySource -> propertySource));
-        final List<AbstractPropertySource> collect = DEFAULT_ORDER.stream().map(sourceMap::get).collect(Collectors.toList());
-        return new PropertySourceSearch(collect);
-    }
-    
-    private static PropertySourceSearch createPropertySourceSearchByFirstType(SourceType firstType,
-            AbstractPropertySource... propertySources) {
-        
-        List<SourceType> tempList = new ArrayList<>(4);
-        tempList.add(firstType);
-        
-        final Map<SourceType, AbstractPropertySource> sourceMap = Arrays.stream(propertySources)
-                .collect(Collectors.toMap(AbstractPropertySource::getType, propertySource -> propertySource));
-        final List<AbstractPropertySource> collect = DEFAULT_ORDER.stream().filter(sourceType -> !sourceType.equals(firstType))
-                .collect(() -> tempList, List::add, List::addAll).stream().map(sourceMap::get)
-                .collect(Collectors.toList());
-        
-        return new PropertySourceSearch(collect);
-    }
-    
-    <T> Optional<T> search(String key, Class<T> targetType) {
-        if (targetType == null) {
-            throw new IllegalArgumentException("target type must be not null!");
-        }
-    
-        for (AbstractPropertySource propertySource : propertySources) {
-            final String value = propertySource.getProperty(key);
-            if (value != null) {
-                if (String.class.isAssignableFrom(targetType)) {
-                    return (Optional<T>) Optional.of(value);
-                }
-                return Optional.ofNullable(converter.convert(value, targetType));
-            }
-        }
-        return Optional.empty();
-    }
-}

client/src/main/java/com/alibaba/nacos/client/env/SearchableEnvironment.java

@@ -1,74 +0,0 @@
-/*
- * Copyright 1999-2022 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.alibaba.nacos.client.env;
-
-import java.util.Properties;
-
-/**
- * Searchable environment.
- *
- * @author onewe
- */
-class SearchableEnvironment implements NacosEnvironment {
-    
-    private final PropertySourceSearch sourceSearch;
-    
-    SearchableEnvironment(Properties properties) {
-        this.sourceSearch = PropertySourceSearch.build(properties);
-    }
-    
-    @Override
-    public String getProperty(String key) {
-        return getProperty(key, null);
-    }
-    
-    @Override
-    public String getProperty(String key, String defaultValue) {
-        return sourceSearch.search(key, String.class).orElse(defaultValue);
-    }
-    
-    @Override
-    public Boolean getBoolean(String key) {
-        return getBoolean(key, null);
-    }
-    
-    @Override
-    public Boolean getBoolean(String key, Boolean defaultValue) {
-        return sourceSearch.search(key, Boolean.class).orElse(defaultValue);
-    }
-    
-    @Override
-    public Integer getInteger(String key) {
-        return getInteger(key, null);
-    }
-    
-    @Override
-    public Integer getInteger(String key, Integer defaultValue) {
-        return sourceSearch.search(key, Integer.class).orElse(defaultValue);
-    }
-    
-    @Override
-    public Long getLong(String key) {
-        return getLong(key, null);
-    }
-    
-    @Override
-    public Long getLong(String key, Long defaultValue) {
-        return sourceSearch.search(key, Long.class).orElse(defaultValue);
-    }
-    
-}

client/src/main/java/com/alibaba/nacos/client/env/SearchableProperties.java

@@ -0,0 +1,236 @@
+/*
+ * Copyright 1999-2022 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.client.env;
+
+import com.alibaba.nacos.client.constant.Constants;
+import com.alibaba.nacos.client.env.convert.CompositeConverter;
+import com.alibaba.nacos.common.utils.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Properties;
+import java.util.stream.Collectors;
+
+/**
+ * Searchable NacosClientProperties.
+ * the SearchableProperties that it can be specified search order by
+ * nacos.env.first
+ * @author onewe
+ */
+class SearchableProperties implements NacosClientProperties {
+    
+    private static final Logger LOGGER = LoggerFactory.getLogger(SearchableProperties.class);
+    
+    private static final JvmArgsPropertySource JVM_ARGS_PROPERTY_SOURCE = new JvmArgsPropertySource();
+    
+    private static final SystemEnvPropertySource SYSTEM_ENV_PROPERTY_SOURCE = new SystemEnvPropertySource();
+    
+    private static final DefaultSettingPropertySource DEFAULT_SETTING_PROPERTY_SOURCE = new DefaultSettingPropertySource();
+    
+    private static final List<SourceType> DEFAULT_ORDER = Arrays.asList(SourceType.PROPERTIES, SourceType.JVM,
+            SourceType.ENV, SourceType.DEFAULT_SETTING);
+    
+    private static final CompositeConverter CONVERTER = new CompositeConverter();
+    
+    static final SearchableProperties INSTANCE = new SearchableProperties();
+    
+    private final List<AbstractPropertySource> propertySources;
+    
+    private final PropertiesPropertySource propertiesPropertySource;
+    
+    private SearchableProperties() {
+        this(new PropertiesPropertySource());
+    }
+    
+    private SearchableProperties(PropertiesPropertySource propertiesPropertySource) {
+        this.propertiesPropertySource = propertiesPropertySource;
+        this.propertySources = build(propertiesPropertySource,
+                JVM_ARGS_PROPERTY_SOURCE, SYSTEM_ENV_PROPERTY_SOURCE, DEFAULT_SETTING_PROPERTY_SOURCE);
+    }
+    
+    @Override
+    public String getProperty(String key) {
+        return getProperty(key, null);
+    }
+    
+    @Override
+    public String getProperty(String key, String defaultValue) {
+        return this.search(key, String.class).orElse(defaultValue);
+    }
+    
+    @Override
+    public Boolean getBoolean(String key) {
+        return getBoolean(key, null);
+    }
+    
+    @Override
+    public Boolean getBoolean(String key, Boolean defaultValue) {
+        return this.search(key, Boolean.class).orElse(defaultValue);
+    }
+    
+    @Override
+    public Integer getInteger(String key) {
+        return getInteger(key, null);
+    }
+    
+    @Override
+    public Integer getInteger(String key, Integer defaultValue) {
+        return this.search(key, Integer.class).orElse(defaultValue);
+    }
+    
+    @Override
+    public Long getLong(String key) {
+        return getLong(key, null);
+    }
+    
+    @Override
+    public Long getLong(String key, Long defaultValue) {
+        return this.search(key, Long.class).orElse(defaultValue);
+    }
+    
+    @Override
+    public void setProperty(String key, String value) {
+        propertiesPropertySource.setProperty(key, value);
+    }
+    
+    @Override
+    public void addProperties(Properties properties) {
+        propertiesPropertySource.addProperties(properties);
+    }
+    
+    @Override
+    public Properties asProperties() {
+        Properties properties = new Properties();
+        final ListIterator<AbstractPropertySource> iterator = propertySources.listIterator(
+                propertySources.size());
+        while (iterator.hasPrevious()) {
+            final AbstractPropertySource previous = iterator.previous();
+            properties.putAll(previous.asProperties());
+        }
+        return properties;
+    }
+    
+    @Override
+    public boolean containsKey(String key) {
+        for (AbstractPropertySource propertySource : propertySources) {
+            final boolean containing = propertySource.containsKey(key);
+            if (containing) {
+                return true;
+            }
+        }
+        return false;
+    }
+    
+    private <T> Optional<T> search(String key, Class<T> targetType) {
+        if (targetType == null) {
+            throw new IllegalArgumentException("target type must not be null!");
+        }
+        
+        for (AbstractPropertySource propertySource : propertySources) {
+            final String value = propertySource.getProperty(key);
+            if (value != null) {
+                if (String.class.isAssignableFrom(targetType)) {
+                    try {
+                        return (Optional<T>) Optional.of(value);
+                    } catch (Exception e) {
+                        LOGGER.error("target type convert error", e);
+                        return Optional.empty();
+                    }
+                    
+                }
+                return Optional.ofNullable(CONVERTER.convert(value, targetType));
+            }
+        }
+        return Optional.empty();
+    }
+    
+    private List<AbstractPropertySource> build(AbstractPropertySource... propertySources) {
+    
+        String firstEnv = JVM_ARGS_PROPERTY_SOURCE.getProperty(Constants.SysEnv.NACOS_ENV_FIRST);
+        if (StringUtils.isBlank(firstEnv)) {
+            firstEnv = SYSTEM_ENV_PROPERTY_SOURCE.getProperty(Constants.SysEnv.NACOS_ENV_FIRST);
+        }
+        
+        if (StringUtils.isBlank(firstEnv)) {
+            return sortPropertySourceDefaultOrder(propertySources);
+        }
+        
+        try {
+            final SourceType sourceType = SourceType.valueOf(firstEnv.toUpperCase());
+            if (SourceType.DEFAULT_SETTING.equals(sourceType) || SourceType.PROPERTIES.equals(sourceType)) {
+                return sortPropertySourceDefaultOrder(propertySources);
+            }
+            return sortPropertySource(sourceType, propertySources);
+        } catch (Exception e) {
+            LOGGER.error("first source type parse error, it will be used default order!", e);
+            return sortPropertySourceDefaultOrder(propertySources);
+        }
+    }
+    
+    private List<AbstractPropertySource> sortPropertySourceDefaultOrder(
+            AbstractPropertySource... propertySources) {
+        final Map<SourceType, AbstractPropertySource> sourceMap = Arrays.stream(propertySources)
+                .collect(Collectors.toMap(AbstractPropertySource::getType, propertySource -> propertySource));
+        final List<AbstractPropertySource> collect = DEFAULT_ORDER.stream().map(sourceMap::get)
+                .collect(Collectors.toList());
+        LOGGER.info("properties search order:PROPERTIES->JVM->ENV->DEFAULT_SETTING");
+        return collect;
+    }
+    
+    private List<AbstractPropertySource> sortPropertySource(SourceType firstType,
+            AbstractPropertySource... propertySources) {
+        List<SourceType> tempList = new ArrayList<>(4);
+        tempList.add(firstType);
+        
+        final Map<SourceType, AbstractPropertySource> sourceMap = Arrays.stream(propertySources)
+                .collect(Collectors.toMap(AbstractPropertySource::getType, propertySource -> propertySource));
+        final List<AbstractPropertySource> collect = DEFAULT_ORDER.stream()
+                .filter(sourceType -> !sourceType.equals(firstType)).collect(() -> tempList, List::add, List::addAll)
+                .stream().map(sourceMap::get).filter(Objects::nonNull).collect(Collectors.toList());
+        
+        StringBuilder orderInfo = new StringBuilder("properties search order:");
+        for (int i = 0; i < collect.size(); i++) {
+            final AbstractPropertySource abstractPropertySource = collect.get(i);
+            orderInfo.append(abstractPropertySource.getType().toString());
+            if (i < collect.size() - 1) {
+                orderInfo.append("->");
+            }
+        }
+        LOGGER.info(orderInfo.toString());
+        
+        return collect;
+    }
+    
+    @Override
+    public NacosClientProperties derive() {
+        return new SearchableProperties(new PropertiesPropertySource(this.propertiesPropertySource));
+    }
+    
+    @Override
+    public NacosClientProperties derive(Properties properties) {
+        final NacosClientProperties nacosClientProperties = this.derive();
+        nacosClientProperties.addProperties(properties);
+        return nacosClientProperties;
+    }
+}

client/src/main/java/com/alibaba/nacos/client/env/SourceType.java

@@ -18,17 +18,17 @@ package com.alibaba.nacos.client.env;
 
 enum SourceType {
     /**
-     * get value from system environment.
+     * get value from properties.
      */
-    SYS,
+    PROPERTIES,
     /**
      * get value from jvm args.
      */
     JVM,
     /**
-     * get value from properties.
+     * get value from system environment.
      */
-    PROPERTIES,
+    ENV,
     /**
      * get value from default setting.
      */

client/src/main/java/com/alibaba/nacos/client/env/SystemEnvPropertySource.java

@@ -17,18 +17,15 @@
 package com.alibaba.nacos.client.env;
 
 import java.util.Map;
+import java.util.Properties;
 
 class SystemEnvPropertySource extends AbstractPropertySource {
     
-    private final Map<String, String> env;
-    
-    SystemEnvPropertySource() {
-        this.env = System.getenv();
-    }
+    private final Map<String, String> env = System.getenv();
     
     @Override
     SourceType getType() {
-        return SourceType.SYS;
+        return SourceType.ENV;
     }
     
     @Override
@@ -78,7 +75,15 @@ class SystemEnvPropertySource extends AbstractPropertySource {
         return null;
     }
     
-    private boolean containsKey(String name) {
+    @Override
+    boolean containsKey(String name) {
         return this.env.containsKey(name);
     }
+    
+    @Override
+    Properties asProperties() {
+        Properties properties = new Properties();
+        properties.putAll(this.env);
+        return properties;
+    }
 }

client/src/main/java/com/alibaba/nacos/client/naming/NacosNamingService.java

@@ -156,6 +156,13 @@ public class NacosNamingService implements NamingService {
         clientProxy.batchRegisterService(serviceName, groupName, instances);
     }
     
+    @Override
+    public void batchDeregisterInstance(String serviceName, String groupName, List<Instance> instances)
+            throws NacosException {
+        NamingUtils.batchCheckInstanceIsLegal(instances);
+        clientProxy.batchDeregisterService(serviceName, groupName, instances);
+    }
+    
     @Override
     public void deregisterInstance(String serviceName, String ip, int port) throws NacosException {
         deregisterInstance(serviceName, ip, port, Constants.DEFAULT_CLUSTER_NAME);

client/src/main/java/com/alibaba/nacos/client/naming/core/ServiceInfoUpdateService.java

@@ -61,8 +61,11 @@ public class ServiceInfoUpdateService implements Closeable {
     
     private final InstancesChangeNotifier changeNotifier;
     
+    private final boolean asyncQuerySubscribeService;
+    
     public ServiceInfoUpdateService(Properties properties, ServiceInfoHolder serviceInfoHolder,
             NamingClientProxy namingClientProxy, InstancesChangeNotifier changeNotifier) {
+        this.asyncQuerySubscribeService = isAsyncQueryForSubscribeService(properties);
         this.executor = new ScheduledThreadPoolExecutor(initPollingThreadCount(properties),
                 new NameThreadFactory("com.alibaba.nacos.client.naming.updater"));
         this.serviceInfoHolder = serviceInfoHolder;
@@ -70,6 +73,13 @@ public class ServiceInfoUpdateService implements Closeable {
         this.changeNotifier = changeNotifier;
     }
     
+    private boolean isAsyncQueryForSubscribeService(Properties properties) {
+        if (properties == null || !properties.containsKey(PropertyKeyConst.NAMING_ASYNC_QUERY_SUBSCRIBE_SERVICE)) {
+            return true;
+        }
+        return ConvertUtils.toBoolean(properties.getProperty(PropertyKeyConst.NAMING_ASYNC_QUERY_SUBSCRIBE_SERVICE), true);
+    }
+    
     private int initPollingThreadCount(Properties properties) {
         if (properties == null) {
             return UtilAndComs.DEFAULT_POLLING_THREAD_COUNT;
@@ -86,6 +96,9 @@ public class ServiceInfoUpdateService implements Closeable {
      * @param clusters    clusters
      */
     public void scheduleUpdateIfAbsent(String serviceName, String groupName, String clusters) {
+        if (!asyncQuerySubscribeService) {
+            return;
+        }
         String serviceKey = ServiceInfo.getKey(NamingUtils.getGroupedName(serviceName, groupName), clusters);
         if (futureMap.get(serviceKey) != null) {
             return;
@@ -193,9 +206,10 @@ public class ServiceInfoUpdateService implements Closeable {
                 // TODO multiple time can be configured.
                 delayTime = serviceObj.getCacheMillis() * DEFAULT_UPDATE_CACHE_TIME_MULTIPLE;
                 resetFailCount();
+            } catch (NacosException e) {
+                handleNacosException(e);
             } catch (Throwable e) {
-                incFailCount();
-                NAMING_LOGGER.warn("[NA] failed to update serviceName: {}", groupedServiceName, e);
+                handleUnknownException(e);
             } finally {
                 if (!isCancel) {
                     executor.schedule(this, Math.min(delayTime << failCount, DEFAULT_DELAY * 60),
@@ -204,6 +218,20 @@ public class ServiceInfoUpdateService implements Closeable {
             }
         }
         
+        private void handleNacosException(NacosException e) {
+            incFailCount();
+            int errorCode = e.getErrCode();
+            if (NacosException.SERVER_ERROR == errorCode) {
+                handleUnknownException(e);
+            }
+            NAMING_LOGGER.warn("Can't update serviceName: {}, reason: {}", groupedServiceName, e.getErrMsg());
+        }
+        
+        private void handleUnknownException(Throwable throwable) {
+            incFailCount();
+            NAMING_LOGGER.warn("[NA] failed to update serviceName: {}", groupedServiceName, throwable);
+        }
+        
         private void incFailCount() {
             int limit = 6;
             if (failCount == limit) {

client/src/main/java/com/alibaba/nacos/client/naming/remote/NamingClientProxy.java

@@ -55,6 +55,17 @@ public interface NamingClientProxy extends Closeable {
      */
     void batchRegisterService(String serviceName, String groupName, List<Instance> instances) throws NacosException;
     
+    /**
+     * Batch register instance to service with specified instance properties.
+     *
+     * @param serviceName service name
+     * @param groupName   group name
+     * @param instances   deRegister instance
+     * @throws NacosException nacos exception
+     * @since 2.2.0
+     */
+    void batchDeregisterService(String serviceName, String groupName, List<Instance> instances) throws NacosException;
+    
     /**
      * Deregister instance from a service.
      *

client/src/main/java/com/alibaba/nacos/client/naming/remote/NamingClientProxyDelegate.java

@@ -107,6 +107,17 @@ public class NamingClientProxyDelegate implements NamingClientProxy {
         NAMING_LOGGER.info("batchRegisterInstance instances: {} ,serviceName: {} finish.", instances, serviceName);
     }
     
+    @Override
+    public void batchDeregisterService(String serviceName, String groupName, List<Instance> instances)
+            throws NacosException {
+        NAMING_LOGGER.info("batch DeregisterInstance instances: {} ,serviceName: {} begin.", instances, serviceName);
+        if (CollectionUtils.isEmpty(instances)) {
+            NAMING_LOGGER.warn("batch DeregisterInstance instances is Empty:{}", instances);
+        }
+        grpcClientProxy.batchDeregisterService(serviceName, groupName, instances);
+        NAMING_LOGGER.info("batch DeregisterInstance instances: {} ,serviceName: {} finish.", instances, serviceName);
+    }
+    
     @Override
     public void deregisterService(String serviceName, String groupName, Instance instance) throws NacosException {
         getExecuteClientProxy(instance).deregisterService(serviceName, groupName, instance);

client/src/main/java/com/alibaba/nacos/client/naming/remote/gprc/NamingGrpcClientProxy.java

@@ -33,6 +33,7 @@ import com.alibaba.nacos.api.naming.remote.response.BatchInstanceResponse;
 import com.alibaba.nacos.api.naming.remote.response.QueryServiceResponse;
 import com.alibaba.nacos.api.naming.remote.response.ServiceListResponse;
 import com.alibaba.nacos.api.naming.remote.response.SubscribeServiceResponse;
+import com.alibaba.nacos.api.naming.utils.NamingUtils;
 import com.alibaba.nacos.api.remote.RemoteConstants;
 import com.alibaba.nacos.api.remote.response.Response;
 import com.alibaba.nacos.api.remote.response.ResponseCode;
@@ -42,6 +43,8 @@ import com.alibaba.nacos.client.naming.cache.ServiceInfoHolder;
 import com.alibaba.nacos.client.naming.event.ServerListChangedEvent;
 import com.alibaba.nacos.client.naming.remote.AbstractNamingClientProxy;
 import com.alibaba.nacos.client.naming.remote.gprc.redo.NamingGrpcRedoService;
+import com.alibaba.nacos.client.naming.remote.gprc.redo.data.BatchInstanceRedoData;
+import com.alibaba.nacos.client.naming.remote.gprc.redo.data.InstanceRedoData;
 import com.alibaba.nacos.client.security.SecurityProxy;
 import com.alibaba.nacos.common.notify.Event;
 import com.alibaba.nacos.common.notify.NotifyCenter;
@@ -49,14 +52,18 @@ import com.alibaba.nacos.common.remote.ConnectionType;
 import com.alibaba.nacos.common.remote.client.RpcClient;
 import com.alibaba.nacos.common.remote.client.RpcClientFactory;
 import com.alibaba.nacos.common.remote.client.ServerListFactory;
+import com.alibaba.nacos.common.utils.CollectionUtils;
 import com.alibaba.nacos.common.utils.JacksonUtils;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 import java.util.Set;
 import java.util.UUID;
+import java.util.function.Function;
+import java.util.stream.Collectors;
 
 import static com.alibaba.nacos.client.utils.LogUtils.NAMING_LOGGER;
 
@@ -124,6 +131,50 @@ public class NamingGrpcClientProxy extends AbstractNamingClientProxy {
         doBatchRegisterService(serviceName, groupName, instances);
     }
     
+    @Override
+    public void batchDeregisterService(String serviceName, String groupName, List<Instance> instances)
+            throws NacosException {
+        List<Instance> retainInstance = getRetainInstance(serviceName, groupName, instances);
+        batchRegisterService(serviceName, groupName, retainInstance);
+    }
+    
+    /**
+     * Get instance list that need to be deregistered.
+     * @param serviceName   service name
+     * @param groupName    group name
+     * @param instances   instance list
+     * @return  instance list that need to be deregistered.
+     */
+    private List<Instance> getRetainInstance(String serviceName, String groupName, List<Instance> instances) throws NacosException {
+        if (CollectionUtils.isEmpty(instances)) {
+            throw new NacosException(NacosException.INVALID_PARAM,
+                    String.format("[Batch deRegistration] need deRegister instance is empty, instances: %s,", instances));
+        }
+        String combinedServiceName = NamingUtils.getGroupedName(serviceName, groupName);
+        InstanceRedoData instanceRedoData = redoService.getRegisteredInstancesBykey(combinedServiceName);
+        if (!(instanceRedoData instanceof BatchInstanceRedoData)) {
+            throw new NacosException(NacosException.INVALID_PARAM,
+                    String.format("[Batch deRegistration] batch deRegister is not BatchInstanceRedoData type , instances: %s,", instances));
+        }
+        
+        BatchInstanceRedoData batchInstanceRedoData = (BatchInstanceRedoData) instanceRedoData;
+        List<Instance> allInstance = batchInstanceRedoData.getInstances();
+        if (CollectionUtils.isEmpty(allInstance)) {
+            throw new NacosException(NacosException.INVALID_PARAM,
+                    String.format("[Batch deRegistration] not found all registerInstance , serviceName：%s , groupName: %s", serviceName, groupName));
+        }
+        
+        Map<Instance, Instance> instanceMap = instances
+                .stream().collect(Collectors.toMap(Function.identity(), Function.identity()));
+        List<Instance> retainInstances = new ArrayList<>();
+        for (Instance instance : allInstance) {
+            if (!instanceMap.containsKey(instance)) {
+                retainInstances.add(instance);
+            }
+        }
+        return retainInstances;
+    }
+    
     /**
      * Execute batch register operation.
      *
@@ -280,7 +331,7 @@ public class NamingGrpcClientProxy extends AbstractNamingClientProxy {
      * @throws NacosException nacos exception
      */
     public void doUnsubscribe(String serviceName, String groupName, String clusters) throws NacosException {
-        SubscribeServiceRequest request = new SubscribeServiceRequest(namespaceId, serviceName, groupName, clusters,
+        SubscribeServiceRequest request = new SubscribeServiceRequest(namespaceId, groupName, serviceName, clusters,
                 false);
         requestToServer(request, SubscribeServiceResponse.class);
         redoService.removeSubscriberForRedo(serviceName, groupName, clusters);

client/src/main/java/com/alibaba/nacos/client/naming/remote/gprc/redo/NamingGrpcRedoService.java

@@ -277,6 +277,14 @@ public class NamingGrpcRedoService implements ConnectionEventListener {
         return result;
     }
     
+    /**
+     * get Cache service.
+     * @return cache service
+     */
+    public InstanceRedoData getRegisteredInstancesBykey(String combinedServiceName) {
+        return registeredInstances.get(combinedServiceName);
+    }
+    
     /**
      * Shutdown redo service.
      */

client/src/main/java/com/alibaba/nacos/client/naming/remote/http/NamingHttpClientProxy.java

@@ -172,6 +172,12 @@ public class NamingHttpClientProxy extends AbstractNamingClientProxy {
         throw new UnsupportedOperationException("Do not support persistent instances to perform batch registration methods.");
     }
     
+    @Override
+    public void batchDeregisterService(String serviceName, String groupName, List<Instance> instances)
+            throws NacosException {
+        throw new UnsupportedOperationException("Do not support persistent instances to perform batch de registration methods.");
+    }
+    
     @Override
     public void deregisterService(String serviceName, String groupName, Instance instance) throws NacosException {
         NAMING_LOGGER

client/src/main/java/com/alibaba/nacos/client/naming/utils/InitUtils.java

@@ -95,21 +95,6 @@ public class InitUtils {
             UtilAndComs.nacosUrlBase = UtilAndComs.webContext + "/v1/ns";
             UtilAndComs.nacosUrlInstance = UtilAndComs.nacosUrlBase + "/instance";
         });
-        initWebRootContext();
-    }
-    
-    /**
-     * Init web root context.
-     */
-    @Deprecated
-    public static void initWebRootContext() {
-        // support the web context with ali-yun if the app deploy by EDAS
-        final String webContext = System.getProperty(SystemPropertyKeyConst.NAMING_WEB_CONTEXT);
-        TemplateUtils.stringNotEmptyAndThenExecute(webContext, () -> {
-            UtilAndComs.webContext = ContextPathUtil.normalizeContextPath(webContext);
-            UtilAndComs.nacosUrlBase = UtilAndComs.webContext + "/v1/ns";
-            UtilAndComs.nacosUrlInstance = UtilAndComs.nacosUrlBase + "/instance";
-        });
     }
     
     /**

client/src/main/java/com/alibaba/nacos/client/naming/utils/UtilAndComs.java

@@ -17,7 +17,6 @@
 package com.alibaba.nacos.client.naming.utils;
 
 import com.alibaba.nacos.common.utils.ThreadUtils;
-import com.alibaba.nacos.common.utils.VersionUtils;
 
 /**
  * Util and constants.
@@ -26,10 +25,6 @@ import com.alibaba.nacos.common.utils.VersionUtils;
  */
 public class UtilAndComs {
     
-    // using  com.alibaba.nacos.common.utils.VersionUtils.getFullClientVersion instead.
-    @Deprecated
-    public static final String VERSION = VersionUtils.getFullClientVersion();
-    
     public static String webContext = "/nacos";
     
     public static String nacosUrlBase = webContext + "/v1/ns";

client/src/test/java/com/alibaba/nacos/client/auth/ram/identify/CredentialServiceTest.java

@@ -116,31 +116,4 @@ public class CredentialServiceTest extends TestCase {
         Assert.assertEquals(expect, actual);
         
     }
-    
-    @Test
-    public void testGetAkAndSk() {
-        CredentialService credentialService1 = CredentialService.getInstance();
-        Credentials c = new Credentials();
-        c.setAccessKey("ak");
-        c.setSecretKey("sk");
-        credentialService1.setCredential(c);
-        
-        Assert.assertEquals("ak", credentialService1.getAccessKey());
-        Assert.assertEquals("sk", credentialService1.getSecretKey());
-    }
-    
-    @Test
-    public void testSetSecretKey() {
-        CredentialService credentialService1 = CredentialService.getInstance();
-        Credentials c = new Credentials();
-        c.setAccessKey("ak");
-        c.setSecretKey("sk");
-        credentialService1.setCredential(c);
-        credentialService1.setAccessKey("ak1");
-        credentialService1.setSecretKey("sk1");
-        
-        Assert.assertEquals("ak1", credentialService1.getAccessKey());
-        Assert.assertEquals("sk1", credentialService1.getSecretKey());
-    }
-    
 }

client/src/test/java/com/alibaba/nacos/client/config/filter/impl/ConfigFilterChainManagerTest.java

@@ -21,7 +21,6 @@ import com.alibaba.nacos.api.config.filter.IConfigFilter;
 import com.alibaba.nacos.api.config.filter.IConfigFilterChain;
 import com.alibaba.nacos.api.config.filter.IConfigRequest;
 import com.alibaba.nacos.api.config.filter.IConfigResponse;
-import com.alibaba.nacos.api.config.filter.IFilterConfig;
 import com.alibaba.nacos.api.exception.NacosException;
 import org.junit.Assert;
 import org.junit.Test;
@@ -43,11 +42,7 @@ public class ConfigFilterChainManagerTest {
             this.name = name;
             this.order = order;
         }
-    
-        @Override
-        public void init(IFilterConfig filterConfig) {
-        }
-    
+        
         @Override
         public void init(Properties properties) {
         }
@@ -135,4 +130,4 @@ public class ConfigFilterChainManagerTest {
         
         Assert.assertEquals(2, configContext.getParameter("filterCount"));
     }
-}
+}

client/src/test/java/com/alibaba/nacos/client/config/filter/impl/DemoFilter1.java

@@ -20,7 +20,6 @@ import com.alibaba.nacos.api.config.filter.IConfigFilter;
 import com.alibaba.nacos.api.config.filter.IConfigFilterChain;
 import com.alibaba.nacos.api.config.filter.IConfigRequest;
 import com.alibaba.nacos.api.config.filter.IConfigResponse;
-import com.alibaba.nacos.api.config.filter.IFilterConfig;
 import com.alibaba.nacos.api.exception.NacosException;
 
 import java.util.Properties;
@@ -29,11 +28,6 @@ public class DemoFilter1 implements IConfigFilter {
     
     private static final String DEFAULT_NAME = DemoFilter1.class.getName();
     
-    @Override
-    public void init(IFilterConfig filterConfig) {
-    
-    }
-    
     @Override
     public void init(Properties properties) {
     

client/src/test/java/com/alibaba/nacos/client/config/filter/impl/DemoFilter2.java

@@ -20,7 +20,6 @@ import com.alibaba.nacos.api.config.filter.IConfigFilter;
 import com.alibaba.nacos.api.config.filter.IConfigFilterChain;
 import com.alibaba.nacos.api.config.filter.IConfigRequest;
 import com.alibaba.nacos.api.config.filter.IConfigResponse;
-import com.alibaba.nacos.api.config.filter.IFilterConfig;
 import com.alibaba.nacos.api.exception.NacosException;
 
 import java.util.Properties;
@@ -29,11 +28,6 @@ public class DemoFilter2 implements IConfigFilter {
     
     private static final String DEFAULT_NAME = DemoFilter2.class.getName();
     
-    @Override
-    public void init(IFilterConfig filterConfig) {
-    
-    }
-    
     @Override
     public void init(Properties properties) {
     

client/src/test/java/com/alibaba/nacos/client/env/NacosClientPropertiesTest.java

@@ -0,0 +1,308 @@
+/*
+ * Copyright 1999-2022 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.client.env;
+
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.util.Properties;
+
+public class NacosClientPropertiesTest {
+    
+    @BeforeClass
+    public static void init() {
+        System.setProperty("nacos.env.first", "jvm");
+    }
+    
+    @AfterClass
+    public static void teardown() {
+        System.clearProperty("nacos.env.first");
+    }
+    
+    @Test
+    public void testGetProperty() {
+        NacosClientProperties.PROTOTYPE.setProperty("nacos.home", "/home/nacos");
+        final String value = NacosClientProperties.PROTOTYPE.getProperty("nacos.home");
+        Assert.assertEquals("/home/nacos", value);
+    }
+    
+    @Test
+    public void testGetPropertyMultiLayer() {
+       
+        NacosClientProperties.PROTOTYPE.setProperty("top.layer", "top");
+    
+        final NacosClientProperties layerAEnv = NacosClientProperties.PROTOTYPE.derive();
+        layerAEnv.setProperty("a.layer", "a");
+    
+        final NacosClientProperties layerBEnv = layerAEnv.derive();
+        layerBEnv.setProperty("b.layer", "b");
+    
+        final NacosClientProperties layerCEnv = layerBEnv.derive();
+        layerCEnv.setProperty("c.layer", "c");
+    
+        String value = layerCEnv.getProperty("c.layer");
+        Assert.assertEquals("c", value);
+        
+        value = layerCEnv.getProperty("b.layer");
+        Assert.assertEquals("b", value);
+        
+        value = layerCEnv.getProperty("a.layer");
+        Assert.assertEquals("a", value);
+        
+        value = layerCEnv.getProperty("top.layer");
+        Assert.assertEquals("top", value);
+    }
+    
+    @Test
+    public void testGetPropertyDefaultValue() {
+        final String value = NacosClientProperties.PROTOTYPE.getProperty("nacos.home.default", "/home/default_value");
+        Assert.assertEquals("/home/default_value", value);
+    }
+    
+    @Test
+    public void testGetBoolean() {
+        NacosClientProperties.PROTOTYPE.setProperty("use.cluster", "true");
+        final Boolean value = NacosClientProperties.PROTOTYPE.getBoolean("use.cluster");
+        Assert.assertTrue(value);
+    }
+    
+    @Test
+    public void testGetBooleanDefaultValue() {
+        final Boolean value = NacosClientProperties.PROTOTYPE.getBoolean("use.cluster.default", false);
+        Assert.assertFalse(value);
+    }
+    
+    @Test
+    public void testGetInteger() {
+        NacosClientProperties.PROTOTYPE.setProperty("max.timeout", "200");
+        final Integer value = NacosClientProperties.PROTOTYPE.getInteger("max.timeout");
+        Assert.assertEquals(200, value.intValue());
+    }
+    
+    @Test
+    public void testGetIntegerDefaultValue() {
+        final Integer value = NacosClientProperties.PROTOTYPE.getInteger("max.timeout.default", 400);
+        Assert.assertEquals(400, value.intValue());
+    }
+    
+    @Test
+    public void testGetLong() {
+        NacosClientProperties.PROTOTYPE.setProperty("connection.timeout", "200");
+        final Long value = NacosClientProperties.PROTOTYPE.getLong("connection.timeout");
+        Assert.assertEquals(200L, value.longValue());
+    }
+    
+    @Test
+    public void testGetLongDefault() {
+        final Long value = NacosClientProperties.PROTOTYPE.getLong("connection.timeout.default", 400L);
+        Assert.assertEquals(400L, value.longValue());
+    }
+    
+    @Test
+    public void testGetPropertyDefaultSetting() {
+        
+        final String value = NacosClientProperties.PROTOTYPE.getProperty("nacos.home.default.test");
+        Assert.assertEquals("/home/default_setting", value);
+    }
+    
+    @Test
+    public void setProperty() {
+        NacosClientProperties.PROTOTYPE.setProperty("nacos.set.property", "true");
+        final String ret = NacosClientProperties.PROTOTYPE.getProperty("nacos.set.property");
+        Assert.assertEquals("true", ret);
+    }
+    
+    @Test
+    public void setPropertyWithScope() {
+    
+        final NacosClientProperties properties = NacosClientProperties.PROTOTYPE.derive();
+        properties.setProperty("nacos.set.property.scope", "config");
+    
+        String ret = NacosClientProperties.PROTOTYPE.getProperty("nacos.set.property.scope");
+        Assert.assertNull(ret);
+        
+        ret = properties.getProperty("nacos.set.property.scope");
+        Assert.assertEquals("config", ret);
+    }
+    
+    @Test
+    public void testAddProperties() {
+        Properties properties = new Properties();
+        properties.setProperty("nacos.add.properties", "true");
+    
+        NacosClientProperties.PROTOTYPE.addProperties(properties);
+        
+        final String ret = NacosClientProperties.PROTOTYPE.getProperty("nacos.add.properties");
+        
+        Assert.assertEquals("true", ret);
+    }
+    
+    @Test
+    public void testAddPropertiesWithScope() {
+        
+        Properties properties = new Properties();
+        properties.setProperty("nacos.add.properties.scope", "config");
+    
+        final NacosClientProperties nacosClientProperties = NacosClientProperties.PROTOTYPE.derive();
+        nacosClientProperties.addProperties(properties);
+    
+        String ret = NacosClientProperties.PROTOTYPE.getProperty("nacos.add.properties.scope");
+        Assert.assertNull(ret);
+        
+        ret = nacosClientProperties.getProperty("nacos.add.properties.scope");
+        Assert.assertEquals("config", ret);
+        
+    }
+    
+    @Test
+    public void testTestDerive() {
+        Properties properties = new Properties();
+        properties.setProperty("nacos.derive.properties.scope", "derive");
+    
+        final NacosClientProperties nacosClientProperties = NacosClientProperties.PROTOTYPE.derive(properties);
+    
+        final String value = nacosClientProperties.getProperty("nacos.derive.properties.scope");
+        
+        Assert.assertEquals("derive", value);
+    
+    }
+    
+    @Test
+    public void testContainsKey() {
+        NacosClientProperties.PROTOTYPE.setProperty("nacos.contains.key", "true");
+        
+        boolean ret = NacosClientProperties.PROTOTYPE.containsKey("nacos.contains.key");
+        Assert.assertTrue(ret);
+        
+        ret = NacosClientProperties.PROTOTYPE.containsKey("nacos.contains.key.in.sys");
+        Assert.assertFalse(ret);
+    }
+    
+    @Test
+    public void testContainsKeyMultiLayers() {
+        
+        NacosClientProperties.PROTOTYPE.setProperty("top.layer", "top");
+    
+        final NacosClientProperties layerAEnv = NacosClientProperties.PROTOTYPE.derive();
+        layerAEnv.setProperty("a.layer", "a");
+    
+        final NacosClientProperties layerBEnv = layerAEnv.derive();
+        layerBEnv.setProperty("b.layer", "b");
+    
+        final NacosClientProperties layerCEnv = layerBEnv.derive();
+        layerCEnv.setProperty("c.layer", "c");
+    
+        boolean exist = layerCEnv.containsKey("c.layer");
+        Assert.assertTrue(exist);
+        
+        exist = layerCEnv.containsKey("b.layer");
+        Assert.assertTrue(exist);
+        
+        exist = layerCEnv.containsKey("a.layer");
+        Assert.assertTrue(exist);
+        
+        exist = layerCEnv.containsKey("top.layer");
+        Assert.assertTrue(exist);
+    
+    }
+    
+    @Test
+    public void testContainsKeyWithScope() {
+        NacosClientProperties.PROTOTYPE.setProperty("nacos.contains.global.scope", "global");
+        final NacosClientProperties namingProperties = NacosClientProperties.PROTOTYPE.derive();
+        namingProperties.setProperty("nacos.contains.naming.scope", "naming");
+    
+        boolean ret = NacosClientProperties.PROTOTYPE.containsKey("nacos.contains.global.scope");
+        Assert.assertTrue(ret);
+        
+        ret = NacosClientProperties.PROTOTYPE.containsKey("nacos.contains.naming.scope");
+        Assert.assertFalse(ret);
+        
+        ret = namingProperties.containsKey("nacos.contains.naming.scope");
+        Assert.assertTrue(ret);
+        
+        ret = namingProperties.containsKey("nacos.contains.global.scope");
+        Assert.assertTrue(ret);
+        
+    }
+    
+    @Test
+    public void testAsProperties() {
+        NacosClientProperties.PROTOTYPE.setProperty("nacos.as.properties", "true");
+        final Properties properties = NacosClientProperties.PROTOTYPE.asProperties();
+        Assert.assertNotNull(properties);
+        Assert.assertEquals("true", properties.getProperty("nacos.as.properties"));
+    }
+    
+    @Test
+    public void testAsPropertiesWithScope() {
+    
+        NacosClientProperties.PROTOTYPE.setProperty("nacos.as.properties.global.scope", "global");
+        NacosClientProperties.PROTOTYPE.setProperty("nacos.server.addr.scope", "global");
+    
+        final NacosClientProperties configProperties = NacosClientProperties.PROTOTYPE.derive();
+        configProperties.setProperty("nacos.server.addr.scope", "config");
+    
+        final Properties properties = configProperties.asProperties();
+        Assert.assertNotNull(properties);
+        
+        String ret = properties.getProperty("nacos.as.properties.global.scope");
+        Assert.assertEquals("global", ret);
+        
+        ret = properties.getProperty("nacos.server.addr.scope");
+        Assert.assertEquals("config", ret);
+    }
+    
+    @Test
+    public void testGetPropertyWithScope() {
+    
+        NacosClientProperties.PROTOTYPE.setProperty("nacos.global.scope", "global");
+        
+        final NacosClientProperties configProperties = NacosClientProperties.PROTOTYPE.derive();
+        configProperties.setProperty("nacos.config.scope", "config");
+        
+        final NacosClientProperties namingProperties = NacosClientProperties.PROTOTYPE.derive();
+        namingProperties.setProperty("nacos.naming.scope", "naming");
+    
+        String ret = NacosClientProperties.PROTOTYPE.getProperty("nacos.global.scope");
+        Assert.assertEquals("global", ret);
+        
+        ret = NacosClientProperties.PROTOTYPE.getProperty("nacos.config.scope");
+        Assert.assertNull(ret);
+        
+        ret = NacosClientProperties.PROTOTYPE.getProperty("nacos.naming.scope");
+        Assert.assertNull(ret);
+        
+        ret = configProperties.getProperty("nacos.config.scope");
+        Assert.assertEquals("config", ret);
+        ret = configProperties.getProperty("nacos.global.scope");
+        Assert.assertEquals("global", ret);
+        ret = configProperties.getProperty("nacos.naming.scope");
+        Assert.assertNull(ret);
+        
+        ret = namingProperties.getProperty("nacos.naming.scope");
+        Assert.assertEquals("naming", ret);
+        ret = namingProperties.getProperty("nacos.global.scope");
+        Assert.assertEquals("global", ret);
+        ret = namingProperties.getProperty("nacos.config.scope");
+        Assert.assertNull(ret);
+        
+    }
+    
+}

client/src/test/java/com/alibaba/nacos/client/env/NacosEnvironmentFactoryTest.java

@@ -1,50 +0,0 @@
-/*
- * Copyright 1999-2022 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.alibaba.nacos.client.env;
-
-import org.junit.Assert;
-import org.junit.Test;
-
-import java.lang.reflect.Proxy;
-import java.util.Properties;
-
-public class NacosEnvironmentFactoryTest {
-    
-    @Test(expected = IllegalStateException.class)
-    public void testCreateEnvironment() {
-        final NacosEnvironment environment = NacosEnvironmentFactory.createEnvironment();
-        Assert.assertNotNull(environment);
-        Assert.assertTrue(Proxy.isProxyClass(environment.getClass()));
-        environment.getProperty("test.exception");
-    }
-    
-    @Test
-    public void testNacosEnvInit() {
-        final NacosEnvironment environment = NacosEnvironmentFactory.createEnvironment();
-        final NacosEnvironmentFactory.NacosEnvironmentDelegate invocationHandler =
-                (NacosEnvironmentFactory.NacosEnvironmentDelegate) Proxy.getInvocationHandler(
-                environment);
-        Properties properties = new Properties();
-        properties.setProperty("init.nacos", "true");
-        
-        invocationHandler.init(properties);
-        
-        final String property = environment.getProperty("init.nacos");
-        Assert.assertEquals("true", property);
-    }
-    
-}

client/src/test/java/com/alibaba/nacos/client/env/NacosEnvsTest.java

@@ -1,174 +0,0 @@
-/*
- * Copyright 1999-2022 Alibaba Group Holding Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.alibaba.nacos.client.env;
-
-import org.junit.AfterClass;
-import org.junit.Assert;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.mockito.MockedStatic;
-import org.mockito.Mockito;
-
-import java.lang.reflect.Method;
-import java.lang.reflect.Proxy;
-import java.util.Properties;
-
-public class NacosEnvsTest {
-    
-    static MockedStatic<NacosEnvironmentFactory> mockedStatic;
-    
-    @BeforeClass
-    public static void before() {
-        mockedStatic = Mockito.mockStatic(NacosEnvironmentFactory.class);
-        mockedStatic.when(NacosEnvironmentFactory::createEnvironment).thenReturn(createProxy());
-        
-    }
-    
-    @AfterClass
-    public static void teardown() {
-        if (mockedStatic != null) {
-            mockedStatic.close();
-        }
-    }
-    
-    private static NacosEnvironment createProxy() {
-        return (NacosEnvironment) Proxy.newProxyInstance(NacosEnvironmentFactory.class.getClassLoader(),
-                new Class[] {NacosEnvironment.class}, new NacosEnvironmentFactory.NacosEnvironmentDelegate() {
-                    volatile NacosEnvironment environment;
-                    
-                    @Override
-                    public void init(Properties properties) {
-                        environment = new SearchableEnvironment(properties);
-                    }
-                    
-                    @Override
-                    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
-                        if (environment == null) {
-                            throw new IllegalStateException(
-                                    "Nacos environment doesn't init, please call NEnvs#init method then try it again.");
-                        }
-                        return method.invoke(environment, args);
-                    }
-                });
-    }
-    
-    @Test
-    public void testGetProperty() {
-        
-        final Properties properties = new Properties();
-        properties.setProperty("nacos.home", "/home/nacos");
-        NacosEnvs.init(properties);
-        final String value = NacosEnvs.getProperty("nacos.home");
-        
-        Assert.assertEquals("/home/nacos", value);
-    }
-    
-    @Test
-    public void testGetPropertyDefaultValue() {
-        
-        final Properties properties = new Properties();
-        NacosEnvs.init(properties);
-        final String value = NacosEnvs.getProperty("nacos.home", "/home/default_value");
-        
-        Assert.assertEquals("/home/default_value", value);
-    }
-    
-    @Test
-    public void testGetBoolean() {
-        final Properties properties = new Properties();
-        properties.setProperty("use.cluster", "true");
-        NacosEnvs.init(properties);
-        
-        final Boolean value = NacosEnvs.getBoolean("use.cluster");
-        Assert.assertTrue(value);
-    }
-    
-    @Test
-    public void testGetBooleanDefaultValue() {
-        final Properties properties = new Properties();
-        NacosEnvs.init(properties);
-        
-        final Boolean value = NacosEnvs.getBoolean("use.cluster", false);
-        Assert.assertFalse(value);
-    }
-    
-    @Test
-    public void testGetInteger() {
-        final Properties properties = new Properties();
-        properties.setProperty("max.timeout", "200");
-        NacosEnvs.init(properties);
-        
-        final Integer value = NacosEnvs.getInteger("max.timeout");
-        
-        Assert.assertEquals(200, value.intValue());
-    }
-    
-    @Test
-    public void testGetIntegerDefaultValue() {
-        final Properties properties = new Properties();
-        NacosEnvs.init(properties);
-        
-        final Integer value = NacosEnvs.getInteger("max.timeout", 400);
-        Assert.assertEquals(400, value.intValue());
-    }
-    
-    @Test
-    public void testGetLong() {
-        final Properties properties = new Properties();
-        properties.setProperty("connection.timeout", "200");
-        NacosEnvs.init(properties);
-        
-        final Long value = NacosEnvs.getLong("connection.timeout");
-        Assert.assertEquals(200L, value.longValue());
-    }
-    
-    @Test
-    public void testGetLongDefault() {
-        final Properties properties = new Properties();
-        NacosEnvs.init(properties);
-        final Long value = NacosEnvs.getLong("connection.timeout", 400L);
-        Assert.assertEquals(400L, value.longValue());
-    }
-    
-    @Test
-    public void testGetPropertyJvmFirst() {
-        System.setProperty("nacos.envs.search", "jvm");
-        System.setProperty("nacos.home", "/home/jvm_first");
-        
-        Properties properties = new Properties();
-        properties.setProperty("nacos.home", "/home/properties_first");
-        
-        NacosEnvs.init(properties);
-        final String value = NacosEnvs.getProperty("nacos.home");
-        
-        Assert.assertEquals("/home/jvm_first", value);
-        System.clearProperty("nacos.envs.search");
-        System.clearProperty("nacos.home");
-    }
-    
-    @Test
-    public void testGetPropertyDefaultSetting() {
-        Properties properties = new Properties();
-        
-        NacosEnvs.init(properties);
-        final String value = NacosEnvs.getProperty("nacos.home.default.test");
-        
-        Assert.assertEquals("/home/default_setting", value);
-        
-    }
-    
-}

client/src/test/java/com/alibaba/nacos/client/naming/NacosNamingServiceTest.java

@@ -116,6 +116,27 @@ public class NacosNamingServiceTest {
                         instances -> CollectionUtils.isEqualCollection(instanceList, instances)));
     }
     
+    @Test
+    public void testBatchDeRegisterInstance() throws NacosException {
+        Instance instance = new Instance();
+        String serviceName = "service1";
+        String ip = "1.1.1.1";
+        int port = 10000;
+        instance.setServiceName(serviceName);
+        instance.setEphemeral(true);
+        instance.setPort(port);
+        instance.setIp(ip);
+        List<Instance> instanceList = new ArrayList<>();
+        instanceList.add(instance);
+        //when
+        try {
+            client.batchDeregisterInstance(serviceName, Constants.DEFAULT_GROUP, instanceList);
+        } catch (Exception e) {
+            Assert.assertTrue(e instanceof NacosException);
+            Assert.assertTrue(e.getMessage().contains("not found"));
+        }
+    }
+    
     @Test
     public void testRegisterInstance2() throws NacosException {
         //given

client/src/test/java/com/alibaba/nacos/client/naming/remote/AbstractNamingClientProxyTest.java

@@ -109,6 +109,12 @@ public class AbstractNamingClientProxyTest {
         
         }
     
+        @Override
+        public void batchDeregisterService(String serviceName, String groupName, List<Instance> instances)
+                throws NacosException {
+        
+        }
+    
         @Override
         public void deregisterService(String serviceName, String groupName, Instance instance) throws NacosException {
         

client/src/test/java/com/alibaba/nacos/client/naming/remote/gprc/NamingGrpcClientProxyTest.java

@@ -48,6 +48,7 @@ import com.alibaba.nacos.common.notify.NotifyCenter;
 import com.alibaba.nacos.common.remote.ConnectionType;
 import com.alibaba.nacos.common.remote.client.Connection;
 import com.alibaba.nacos.common.remote.client.RpcClient;
+import com.alibaba.nacos.common.remote.client.RpcClientConfig;
 import com.alibaba.nacos.common.remote.client.ServerListFactory;
 import org.junit.Assert;
 import org.junit.Before;
@@ -62,8 +63,10 @@ import org.mockito.junit.MockitoJUnitRunner;
 import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Map;
 import java.util.Properties;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
@@ -77,7 +80,7 @@ import static org.mockito.Mockito.when;
 
 @RunWith(MockitoJUnitRunner.class)
 public class NamingGrpcClientProxyTest {
-
+    
     @Rule
     public ExpectedException expectedException = ExpectedException.none();
     
@@ -165,7 +168,7 @@ public class NamingGrpcClientProxyTest {
     public void testRegisterServiceThrowsException() throws NacosException {
         expectedException.expect(NacosException.class);
         expectedException.expectMessage("Request nacos server failed: ");
-    
+        
         when(this.rpcClient.request(Mockito.any())).thenReturn(null);
         
         try {
@@ -284,8 +287,11 @@ public class NamingGrpcClientProxyTest {
         verify(this.rpcClient, times(1)).request(argThat(request -> {
             if (request instanceof SubscribeServiceRequest) {
                 SubscribeServiceRequest request1 = (SubscribeServiceRequest) request;
-                // not subscribe
-                return !request1.isSubscribe();
+                
+                // verify request fields
+                return !request1.isSubscribe() && SERVICE_NAME.equals(request1.getServiceName()) && GROUP_NAME.equals(
+                        request1.getGroupName()) && CLUSTERS.equals(request1.getClusters()) && NAMESPACE_ID.equals(
+                        request1.getNamespace());
             }
             return false;
         }));
@@ -320,7 +326,42 @@ public class NamingGrpcClientProxyTest {
     @Test
     public void testServerListChanged() throws Exception {
         
-        RpcClient rpc = new RpcClient("testServerListHasChanged", factory) {
+        RpcClient rpc = new RpcClient(new RpcClientConfig() {
+            @Override
+            public String name() {
+                return "testServerListHasChanged";
+            }
+            
+            @Override
+            public int retryTimes() {
+                return 3;
+            }
+            
+            @Override
+            public long timeOutMills() {
+                return 3000L;
+            }
+            
+            @Override
+            public long connectionKeepAlive() {
+                return 5000L;
+            }
+            
+            @Override
+            public int healthCheckRetryTimes() {
+                return 1;
+            }
+            
+            @Override
+            public long healthCheckTimeOut() {
+                return 3000L;
+            }
+            
+            @Override
+            public Map<String, String> labels() {
+                return new HashMap<>();
+            }
+        }, factory) {
             @Override
             public ConnectionType getConnectionType() {
                 return ConnectionType.GRPC;

common/src/main/java/com/alibaba/nacos/common/constant/HttpHeaderConsts.java

@@ -34,5 +34,7 @@ public interface HttpHeaderConsts {
     String CONNECTION = "Requester";
     String REQUEST_ID = "RequestId";
     String REQUEST_MODULE = "Request-Module";
+    String APP_FILED = "app";
+    String CLIENT_IP = "clientIp";
     
 }

common/src/main/java/com/alibaba/nacos/common/notify/Event.java

@@ -27,11 +27,11 @@ import java.util.concurrent.atomic.AtomicLong;
  */
 @SuppressWarnings({"PMD.AbstractClassShouldStartWithAbstractNamingRule"})
 public abstract class Event implements Serializable {
-
+    
     private static final long serialVersionUID = -3731383194964997493L;
-
+    
     private static final AtomicLong SEQUENCE = new AtomicLong(0);
-
+    
     private final long sequence = SEQUENCE.getAndIncrement();
     
     /**
@@ -51,5 +51,15 @@ public abstract class Event implements Serializable {
     public String scope() {
         return null;
     }
+    
+    /**
+     * Whether is plugin event. If so, the event can be dropped when no publish and subscriber without any hint. Default
+     * false
+     *
+     * @return {@code true} if is plugin event, otherwise {@code false}
+     */
+    public boolean isPluginEvent() {
+        return false;
+    }
 }
 

common/src/main/java/com/alibaba/nacos/common/notify/NotifyCenter.java

@@ -301,6 +301,9 @@ public class NotifyCenter {
         if (publisher != null) {
             return publisher.publish(event);
         }
+        if (event.isPluginEvent()) {
+            return true;
+        }
         LOGGER.warn("There are no [{}] publishers for this event, please register", topic);
         return false;
     }

common/src/main/java/com/alibaba/nacos/common/notify/listener/SmartSubscriber.java

@@ -30,9 +30,9 @@ import java.util.List;
 public abstract class SmartSubscriber extends Subscriber {
     
     /**
-     * Returns which event type are smartsubscriber interested in.
+     * Returns which event type are smart subscriber interested in.
      *
-     * @return The interestd event types.
+     * @return The interested event types.
      */
     public abstract List<Class<? extends Event>> subscribeTypes();
     

common/src/main/java/com/alibaba/nacos/common/notify/listener/Subscriber.java

@@ -69,6 +69,6 @@ public abstract class Subscriber<T extends Event> {
      * @return Whether the event's scope matches current subscriber
      */
     public boolean scopeMatches(T event) {
-        return event.scope() == null;
+        return true;
     }
 }

common/src/main/java/com/alibaba/nacos/common/remote/client/RpcClient.java

@@ -33,6 +33,7 @@ import com.alibaba.nacos.common.lifecycle.Closeable;
 import com.alibaba.nacos.common.remote.ConnectionType;
 import com.alibaba.nacos.common.remote.PayloadRegistry;
 import com.alibaba.nacos.common.utils.CollectionUtils;
+import com.alibaba.nacos.common.utils.InternetAddressUtil;
 import com.alibaba.nacos.common.utils.LoggerUtils;
 import com.alibaba.nacos.common.utils.NumberUtils;
 import com.alibaba.nacos.common.utils.StringUtils;
@@ -40,7 +41,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.util.ArrayList;
-import java.util.HashMap;
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ArrayBlockingQueue;
@@ -79,23 +80,10 @@ public abstract class RpcClient implements Closeable {
     
     protected volatile Connection currentConnection;
     
-    protected Map<String, String> labels = new HashMap<>();
-    
-    private String name;
-    
     private String tenant;
     
-    private static final int RETRY_TIMES = 3;
-    
-    private static final long DEFAULT_TIMEOUT_MILLS = 3000L;
-    
     protected ClientAbilities clientAbilities;
     
-    /**
-     * default keep alive time 5s.
-     */
-    private long keepAliveTime = 5000L;
-    
     private long lastActiveTimeStamp = System.currentTimeMillis();
     
     /**
@@ -110,28 +98,34 @@ public abstract class RpcClient implements Closeable {
     
     private static final Pattern EXCLUDE_PROTOCOL_PATTERN = Pattern.compile("(?<=\\w{1,5}://)(.*)");
     
+    protected RpcClientConfig rpcClientConfig;
+    
     static {
         PayloadRegistry.init();
     }
     
-    public RpcClient(String name) {
-        this(name, null);
+    public RpcClient(RpcClientConfig rpcClientConfig) {
+        this(rpcClientConfig, null);
     }
     
-    public RpcClient(ServerListFactory serverListFactory) {
-        this(null, serverListFactory);
+    public RpcClient(RpcClientConfig rpcClientConfig, ServerListFactory serverListFactory) {
+        this.rpcClientConfig = rpcClientConfig;
+        this.serverListFactory = serverListFactory;
+        init();
     }
     
-    public RpcClient(String name, ServerListFactory serverListFactory) {
-        this.name = name;
-        if (serverListFactory != null) {
-            this.serverListFactory = serverListFactory;
+    protected void init() {
+        if (this.serverListFactory != null) {
             rpcClientStatus.compareAndSet(RpcClientStatus.WAIT_INIT, RpcClientStatus.INITIALIZED);
             LoggerUtils.printIfInfoEnabled(LOGGER, "RpcClient init in constructor, ServerListFactory = {}",
                     serverListFactory.getClass().getName());
         }
     }
     
+    public Map<String, String> labels() {
+        return Collections.unmodifiableMap(rpcClientConfig.labels());
+    }
+    
     /**
      * init client abilities.
      *
@@ -154,35 +148,11 @@ public abstract class RpcClient implements Closeable {
         this.serverListFactory = serverListFactory;
         rpcClientStatus.compareAndSet(RpcClientStatus.WAIT_INIT, RpcClientStatus.INITIALIZED);
         
-        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] RpcClient init, ServerListFactory = {}", name,
+        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] RpcClient init, ServerListFactory = {}", rpcClientConfig.name(),
                 serverListFactory.getClass().getName());
         return this;
     }
     
-    /**
-     * init labels.
-     *
-     * @param labels labels
-     */
-    public RpcClient labels(Map<String, String> labels) {
-        this.labels.putAll(labels);
-        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] RpcClient init label, labels = {}", name, this.labels);
-        return this;
-    }
-    
-    /**
-     * init keepalive time.
-     *
-     * @param keepAliveTime keepAliveTime
-     * @param timeUnit      timeUnit
-     */
-    public RpcClient keepAlive(long keepAliveTime, TimeUnit timeUnit) {
-        this.keepAliveTime = keepAliveTime * timeUnit.toMillis(keepAliveTime);
-        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] RpcClient init keepalive time, keepAliveTimeMillis = {}", name,
-                keepAliveTime);
-        return this;
-    }
-    
     /**
      * Notify when client disconnected.
      */
@@ -190,13 +160,13 @@ public abstract class RpcClient implements Closeable {
         if (connectionEventListeners.isEmpty()) {
             return;
         }
-        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Notify disconnected event to listeners", name);
+        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Notify disconnected event to listeners", rpcClientConfig.name());
         for (ConnectionEventListener connectionEventListener : connectionEventListeners) {
             try {
                 connectionEventListener.onDisConnect();
             } catch (Throwable throwable) {
-                LoggerUtils.printIfErrorEnabled(LOGGER, "[{}] Notify disconnect listener error, listener = {}", name,
-                        connectionEventListener.getClass().getName());
+                LoggerUtils.printIfErrorEnabled(LOGGER, "[{}] Notify disconnect listener error, listener = {}",
+                        rpcClientConfig.name(), connectionEventListener.getClass().getName());
             }
         }
     }
@@ -208,13 +178,13 @@ public abstract class RpcClient implements Closeable {
         if (connectionEventListeners.isEmpty()) {
             return;
         }
-        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Notify connected event to listeners.", name);
+        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Notify connected event to listeners.", rpcClientConfig.name());
         for (ConnectionEventListener connectionEventListener : connectionEventListeners) {
             try {
                 connectionEventListener.onConnected();
             } catch (Throwable throwable) {
-                LoggerUtils.printIfErrorEnabled(LOGGER, "[{}] Notify connect listener error, listener = {}", name,
-                        connectionEventListener.getClass().getName());
+                LoggerUtils.printIfErrorEnabled(LOGGER, "[{}] Notify connect listener error, listener = {}",
+                        rpcClientConfig.name(), connectionEventListener.getClass().getName());
             }
         }
     }
@@ -310,18 +280,18 @@ public abstract class RpcClient implements Closeable {
                         break;
                     }
                     ReconnectContext reconnectContext = reconnectionSignal
-                            .poll(keepAliveTime, TimeUnit.MILLISECONDS);
+                            .poll(rpcClientConfig.connectionKeepAlive(), TimeUnit.MILLISECONDS);
                     if (reconnectContext == null) {
                         // check alive time.
-                        if (System.currentTimeMillis() - lastActiveTimeStamp >= keepAliveTime) {
+                        if (System.currentTimeMillis() - lastActiveTimeStamp >= rpcClientConfig.connectionKeepAlive()) {
                             boolean isHealthy = healthCheck();
                             if (!isHealthy) {
                                 if (currentConnection == null) {
                                     continue;
                                 }
                                 LoggerUtils.printIfInfoEnabled(LOGGER,
-                                        "[{}] Server healthy check fail, currentConnection = {}", name,
-                                        currentConnection.getConnectionId());
+                                        "[{}] Server healthy check fail, currentConnection = {}",
+                                        rpcClientConfig.name(), currentConnection.getConnectionId());
                                 
                                 RpcClientStatus rpcClientStatus = RpcClient.this.rpcClientStatus.get();
                                 if (RpcClientStatus.SHUTDOWN.equals(rpcClientStatus)) {
@@ -359,8 +329,8 @@ public abstract class RpcClient implements Closeable {
                         }
                         if (!serverExist) {
                             LoggerUtils.printIfInfoEnabled(LOGGER,
-                                    "[{}] Recommend server is not in server list, ignore recommend server {}", name,
-                                    reconnectContext.serverInfo.getAddress());
+                                    "[{}] Recommend server is not in server list, ignore recommend server {}",
+                                    rpcClientConfig.name(), reconnectContext.serverInfo.getAddress());
                             
                             reconnectContext.serverInfo = null;
                             
@@ -373,31 +343,33 @@ public abstract class RpcClient implements Closeable {
             }
         });
         
-        // connect to server, try to connect to server sync RETRY_TIMES times, async starting if failed.
+        // connect to server, try to connect to server sync retryTimes times, async starting if failed.
         Connection connectToServer = null;
         rpcClientStatus.set(RpcClientStatus.STARTING);
         
-        int startUpRetryTimes = RETRY_TIMES;
+        int startUpRetryTimes = rpcClientConfig.retryTimes();
         while (startUpRetryTimes > 0 && connectToServer == null) {
             try {
                 startUpRetryTimes--;
                 ServerInfo serverInfo = nextRpcServer();
                 
-                LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Try to connect to server on start up, server: {}", name,
-                        serverInfo);
+                LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Try to connect to server on start up, server: {}",
+                        rpcClientConfig.name(), serverInfo);
                 
                 connectToServer = connectToServer(serverInfo);
             } catch (Throwable e) {
                 LoggerUtils.printIfWarnEnabled(LOGGER,
                         "[{}] Fail to connect to server on start up, error message = {}, start up retry times left: {}",
-                        name, e.getMessage(), startUpRetryTimes, e);
+                        rpcClientConfig.name(), e.getMessage(), startUpRetryTimes, e);
             }
             
         }
         
         if (connectToServer != null) {
-            LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Success to connect to server [{}] on start up, connectionId = {}",
-                    name, connectToServer.serverInfo.getAddress(), connectToServer.getConnectionId());
+            LoggerUtils
+                    .printIfInfoEnabled(LOGGER, "[{}] Success to connect to server [{}] on start up, connectionId = {}",
+                            rpcClientConfig.name(), connectToServer.serverInfo.getAddress(),
+                            connectToServer.getConnectionId());
             this.currentConnection = connectToServer;
             rpcClientStatus.set(RpcClientStatus.RUNNING);
             eventLinkedBlockingQueue.offer(new ConnectionEvent(ConnectionEvent.CONNECTED));
@@ -440,7 +412,7 @@ public abstract class RpcClient implements Closeable {
                         }
                     }
                 } catch (Exception e) {
-                    LoggerUtils.printIfErrorEnabled(LOGGER, "[{}] Switch server error, {}", name, e);
+                    LoggerUtils.printIfErrorEnabled(LOGGER, "[{}] Switch server error, {}", rpcClientConfig.name(), e);
                 }
                 return new ConnectResetResponse();
             }
@@ -464,12 +436,17 @@ public abstract class RpcClient implements Closeable {
         if (this.currentConnection == null) {
             return false;
         }
-        try {
-            Response response = this.currentConnection.request(healthCheckRequest, 3000L);
-            // not only check server is ok, also check connection is register.
-            return response != null && response.isSuccess();
-        } catch (NacosException e) {
-            // ignore
+        int reTryTimes = rpcClientConfig.healthCheckRetryTimes();
+        while (reTryTimes >= 0) {
+            reTryTimes--;
+            try {
+                Response response = this.currentConnection
+                        .request(healthCheckRequest, rpcClientConfig.healthCheckTimeOut());
+                // not only check server is ok, also check connection is register.
+                return response != null && response.isSuccess();
+            } catch (NacosException e) {
+                // ignore
+            }
         }
         return false;
     }
@@ -495,14 +472,14 @@ public abstract class RpcClient implements Closeable {
             
             AtomicReference<ServerInfo> recommendServer = new AtomicReference<>(recommendServerInfo);
             if (onRequestFail && healthCheck()) {
-                LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Server check success, currentServer is {} ", name,
-                        currentConnection.serverInfo.getAddress());
+                LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Server check success, currentServer is {} ",
+                        rpcClientConfig.name(), currentConnection.serverInfo.getAddress());
                 rpcClientStatus.set(RpcClientStatus.RUNNING);
                 return;
             }
             
-            LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Try to reconnect to a new server, server is {}", name,
-                    recommendServerInfo == null ? " not appointed, will choose a random server."
+            LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Try to reconnect to a new server, server is {}",
+                    rpcClientConfig.name(), recommendServerInfo == null ? " not appointed, will choose a random server."
                             : (recommendServerInfo.getAddress() + ", will try it once."));
             
             // loop until start client success.
@@ -520,13 +497,16 @@ public abstract class RpcClient implements Closeable {
                     // 2.create a new channel to new server
                     Connection connectionNew = connectToServer(serverInfo);
                     if (connectionNew != null) {
-                        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Success to connect a server [{}], connectionId = {}",
-                                name, serverInfo.getAddress(), connectionNew.getConnectionId());
+                        LoggerUtils
+                                .printIfInfoEnabled(LOGGER, "[{}] Success to connect a server [{}], connectionId = {}",
+                                        rpcClientConfig.name(), serverInfo.getAddress(),
+                                        connectionNew.getConnectionId());
                         // successfully create a new connect.
                         if (currentConnection != null) {
                             LoggerUtils.printIfInfoEnabled(LOGGER,
-                                    "[{}] Abandon prev connection, server is {}, connectionId is {}", name,
-                                    currentConnection.serverInfo.getAddress(), currentConnection.getConnectionId());
+                                    "[{}] Abandon prev connection, server is {}, connectionId is {}",
+                                    rpcClientConfig.name(), currentConnection.serverInfo.getAddress(),
+                                    currentConnection.getConnectionId());
                             // set current connection to enable connection event.
                             currentConnection.setAbandon(true);
                             closeConnection(currentConnection);
@@ -558,8 +538,9 @@ public abstract class RpcClient implements Closeable {
                 if (reConnectTimes > 0
                         && reConnectTimes % RpcClient.this.serverListFactory.getServerList().size() == 0) {
                     LoggerUtils.printIfInfoEnabled(LOGGER,
-                            "[{}] Fail to connect server, after trying {} times, last try server is {}, error = {}", name,
-                            reConnectTimes, serverInfo, lastException == null ? "unknown" : lastException);
+                            "[{}] Fail to connect server, after trying {} times, last try server is {}, error = {}",
+                            rpcClientConfig.name(), reConnectTimes, serverInfo,
+                            lastException == null ? "unknown" : lastException);
                     if (Integer.MAX_VALUE == retryTurns) {
                         retryTurns = 50;
                     } else {
@@ -583,11 +564,14 @@ public abstract class RpcClient implements Closeable {
             }
             
             if (isShutdown()) {
-                LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Client is shutdown, stop reconnect to server", name);
+                LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Client is shutdown, stop reconnect to server",
+                        rpcClientConfig.name());
             }
             
         } catch (Exception e) {
-            LoggerUtils.printIfWarnEnabled(LOGGER, "[{}] Fail to reconnect to server, error is {}", name, e);
+            LoggerUtils
+                    .printIfWarnEnabled(LOGGER, "[{}] Fail to reconnect to server, error is {}", rpcClientConfig.name(),
+                            e);
         }
     }
     
@@ -632,7 +616,7 @@ public abstract class RpcClient implements Closeable {
      * @return response from server.
      */
     public Response request(Request request) throws NacosException {
-        return request(request, DEFAULT_TIMEOUT_MILLS);
+        return request(request, rpcClientConfig.timeOutMills());
     }
     
     /**
@@ -646,7 +630,7 @@ public abstract class RpcClient implements Closeable {
         Response response;
         Exception exceptionThrow = null;
         long start = System.currentTimeMillis();
-        while (retryTimes < RETRY_TIMES && System.currentTimeMillis() < timeoutMills + start) {
+        while (retryTimes < rpcClientConfig.retryTimes() && System.currentTimeMillis() < timeoutMills + start) {
             boolean waitReconnect = false;
             try {
                 if (this.currentConnection == null || !isRunning()) {
@@ -687,8 +671,9 @@ public abstract class RpcClient implements Closeable {
                     }
                 }
                 
-                LoggerUtils.printIfErrorEnabled(LOGGER, "Send request fail, request = {}, retryTimes = {}, errorMessage = {}",
-                        request, retryTimes, e.getMessage());
+                LoggerUtils.printIfErrorEnabled(LOGGER,
+                        "Send request fail, request = {}, retryTimes = {}, errorMessage = {}", request, retryTimes,
+                        e.getMessage());
                 
                 exceptionThrow = e;
                 
@@ -719,7 +704,8 @@ public abstract class RpcClient implements Closeable {
         
         Exception exceptionToThrow = null;
         long start = System.currentTimeMillis();
-        while (retryTimes < RETRY_TIMES && System.currentTimeMillis() < start + callback.getTimeout()) {
+        while (retryTimes < rpcClientConfig.retryTimes() && System.currentTimeMillis() < start + callback
+                .getTimeout()) {
             boolean waitReconnect = false;
             try {
                 if (this.currentConnection == null || !isRunning()) {
@@ -737,9 +723,9 @@ public abstract class RpcClient implements Closeable {
                         // Do nothing.
                     }
                 }
-                LoggerUtils
-                        .printIfErrorEnabled(LOGGER, "[{}] Send request fail, request = {}, retryTimes = {}, errorMessage = {}",
-                                name, request, retryTimes, e.getMessage());
+                LoggerUtils.printIfErrorEnabled(LOGGER,
+                        "[{}] Send request fail, request = {}, retryTimes = {}, errorMessage = {}",
+                        rpcClientConfig.name(), request, retryTimes, e.getMessage());
                 exceptionToThrow = e;
                 
             }
@@ -768,7 +754,8 @@ public abstract class RpcClient implements Closeable {
         int retryTimes = 0;
         long start = System.currentTimeMillis();
         Exception exceptionToThrow = null;
-        while (retryTimes < RETRY_TIMES && System.currentTimeMillis() < start + DEFAULT_TIMEOUT_MILLS) {
+        while (retryTimes < rpcClientConfig.retryTimes() && System.currentTimeMillis() < start + rpcClientConfig
+                .timeOutMills()) {
             boolean waitReconnect = false;
             try {
                 if (this.currentConnection == null || !isRunning()) {
@@ -785,9 +772,9 @@ public abstract class RpcClient implements Closeable {
                         // Do nothing.
                     }
                 }
-                LoggerUtils
-                        .printIfErrorEnabled(LOGGER, "[{}] Send request fail, request = {}, retryTimes = {}, errorMessage = {}",
-                                name, request, retryTimes, e.getMessage());
+                LoggerUtils.printIfErrorEnabled(LOGGER,
+                        "[{}] Send request fail, request = {}, retryTimes = {}, errorMessage = {}",
+                        rpcClientConfig.name(), request, retryTimes, e.getMessage());
                 exceptionToThrow = e;
                 
             }
@@ -824,21 +811,21 @@ public abstract class RpcClient implements Closeable {
      */
     protected Response handleServerRequest(final Request request) {
         
-        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Receive server push request, request = {}, requestId = {}", name,
-                request.getClass().getSimpleName(), request.getRequestId());
+        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Receive server push request, request = {}, requestId = {}",
+                rpcClientConfig.name(), request.getClass().getSimpleName(), request.getRequestId());
         lastActiveTimeStamp = System.currentTimeMillis();
         for (ServerRequestHandler serverRequestHandler : serverRequestHandlers) {
             try {
                 Response response = serverRequestHandler.requestReply(request);
                 
                 if (response != null) {
-                    LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Ack server push request, request = {}, requestId = {}", name,
-                            request.getClass().getSimpleName(), request.getRequestId());
+                    LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Ack server push request, request = {}, requestId = {}",
+                            rpcClientConfig.name(), request.getClass().getSimpleName(), request.getRequestId());
                     return response;
                 }
             } catch (Exception e) {
-                LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] HandleServerRequest:{}, errorMessage = {}", name,
-                        serverRequestHandler.getClass().getName(), e.getMessage());
+                LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] HandleServerRequest:{}, errorMessage = {}",
+                        rpcClientConfig.name(), serverRequestHandler.getClass().getName(), e.getMessage());
             }
             
         }
@@ -852,8 +839,8 @@ public abstract class RpcClient implements Closeable {
      */
     public synchronized void registerConnectionListener(ConnectionEventListener connectionEventListener) {
         
-        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Registry connection listener to current client:{}", name,
-                connectionEventListener.getClass().getName());
+        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Registry connection listener to current client:{}",
+                rpcClientConfig.name(), connectionEventListener.getClass().getName());
         this.connectionEventListeners.add(connectionEventListener);
     }
     
@@ -863,7 +850,7 @@ public abstract class RpcClient implements Closeable {
      * @param serverRequestHandler serverRequestHandler
      */
     public synchronized void registerServerRequestHandler(ServerRequestHandler serverRequestHandler) {
-        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Register server push request handler:{}", name,
+        LoggerUtils.printIfInfoEnabled(LOGGER, "[{}] Register server push request handler:{}", rpcClientConfig.name(),
                 serverRequestHandler.getClass().getName());
         
         this.serverRequestHandlers.add(serverRequestHandler);
@@ -875,16 +862,7 @@ public abstract class RpcClient implements Closeable {
      * @return property value of name
      */
     public String getName() {
-        return name;
-    }
-    
-    /**
-     * Setter method for property <tt>name</tt>.
-     *
-     * @param name value to be assigned to property name
-     */
-    public void setName(String name) {
-        this.name = name;
+        return rpcClientConfig.name();
     }
     
     /**
@@ -918,8 +896,7 @@ public abstract class RpcClient implements Closeable {
         if (matcher.find()) {
             serverAddress = matcher.group(1);
         }
-        
-        String[] ipPortTuple = serverAddress.split(Constants.COLON, 2);
+        String[] ipPortTuple = InternetAddressUtil.splitIPPortStr(serverAddress);
         int defaultPort = Integer.parseInt(System.getProperty("nacos.server.port", "8848"));
         String serverPort = CollectionUtils.getOrDefault(ipPortTuple, 1, Integer.toString(defaultPort));
         
@@ -1019,7 +996,7 @@ public abstract class RpcClient implements Closeable {
      * @return property value of labels
      */
     public Map<String, String> getLabels() {
-        return labels;
+        return rpcClientConfig.labels();
     }
     
     class ReconnectContext {

common/src/main/java/com/alibaba/nacos/common/remote/client/RpcClientConfig.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.common.remote.client;
+
+import java.util.Map;
+
+/**
+ * RpcClientConfig.
+ *
+ * @author karsonto
+ */
+public interface RpcClientConfig {
+    
+    /**
+     * get name.
+     *
+     * @return name.
+     */
+    String name();
+    
+    /**
+     * get request retry times.
+     *
+     * @return retryTimes.
+     */
+    int retryTimes();
+    
+    /**
+     * get time out mills.
+     *
+     * @return timeOutMills.
+     */
+    long timeOutMills();
+    
+    /**
+     * get connection keep alive time.
+     *
+     * @return connectionKeepAlive.
+     */
+    long connectionKeepAlive();
+    
+    /**
+     * get health check retry times.
+     *
+     * @return healthCheckRetryTimes.
+     */
+    int healthCheckRetryTimes();
+    
+    /**
+     * get health check time out.
+     *
+     * @return healthCheckTimeOut.
+     */
+    long healthCheckTimeOut();
+    
+    /**
+     * get map of labels.
+     *
+     * @return labels.
+     */
+    Map<String, String> labels();
+    
+}

common/src/main/java/com/alibaba/nacos/common/remote/client/RpcClientFactory.java

@@ -18,7 +18,6 @@ package com.alibaba.nacos.common.remote.client;
 
 import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.common.remote.ConnectionType;
-import com.alibaba.nacos.common.remote.client.grpc.GrpcClient;
 import com.alibaba.nacos.common.remote.client.grpc.GrpcClusterClient;
 import com.alibaba.nacos.common.remote.client.grpc.GrpcSdkClient;
 import org.slf4j.Logger;
@@ -94,11 +93,7 @@ public class RpcClientFactory {
         return CLIENT_MAP.computeIfAbsent(clientName, clientNameInner -> {
             LOGGER.info("[RpcClientFactory] create a new rpc client of " + clientName);
             try {
-                GrpcClient client = new GrpcSdkClient(clientNameInner);
-                client.setThreadPoolCoreSize(threadPoolCoreSize);
-                client.setThreadPoolMaxSize(threadPoolMaxSize);
-                client.labels(labels);
-                return client;
+                return new GrpcSdkClient(clientNameInner, threadPoolCoreSize, threadPoolMaxSize, labels);
             } catch (Throwable throwable) {
                 LOGGER.error("Error to init GrpcSdkClient for client name :" + clientName, throwable);
                 throw throwable;
@@ -134,13 +129,9 @@ public class RpcClientFactory {
             throw new UnsupportedOperationException("unsupported connection type :" + connectionType.getType());
         }
         
-        return CLIENT_MAP.computeIfAbsent(clientName, clientNameInner -> {
-            GrpcClient client = new GrpcClusterClient(clientNameInner);
-            client.setThreadPoolCoreSize(threadPoolCoreSize);
-            client.setThreadPoolMaxSize(threadPoolMaxSize);
-            client.labels(labels);
-            return client;
-        });
+        return CLIENT_MAP.computeIfAbsent(clientName,
+                clientNameInner -> new GrpcClusterClient(clientNameInner, threadPoolCoreSize, threadPoolMaxSize,
+                        labels));
     }
     
 }

common/src/main/java/com/alibaba/nacos/common/remote/client/grpc/DefaultGrpcClientConfig.java

@@ -0,0 +1,385 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.common.remote.client.grpc;
+
+import com.alibaba.nacos.common.utils.ThreadUtils;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Properties;
+
+/**
+ * Default grpc client config.
+ *
+ * @author karsonto
+ */
+public class DefaultGrpcClientConfig implements GrpcClientConfig {
+    
+    private String name;
+    
+    private int retryTimes;
+    
+    private long timeOutMills;
+    
+    private long connectionKeepAlive;
+    
+    private long threadPoolKeepAlive;
+    
+    private int threadPoolCoreSize;
+    
+    private int threadPoolMaxSize;
+    
+    private long serverCheckTimeOut;
+    
+    private int threadPoolQueueSize;
+    
+    private int maxInboundMessageSize;
+    
+    private int channelKeepAlive;
+    
+    private int healthCheckRetryTimes;
+    
+    private long healthCheckTimeOut;
+    
+    private Map<String, String> labels;
+    
+    /**
+     * constructor.
+     *
+     * @param builder builder of DefaultGrpcClientConfig builder.
+     */
+    private DefaultGrpcClientConfig(Builder builder) {
+        this.name = builder.name;
+        this.retryTimes = loadIntegerConfig(GrpcConstants.GRPC_RETRY_TIMES, builder.retryTimes);
+        this.timeOutMills = loadLongConfig(GrpcConstants.GRPC_TIMEOUT_MILLS, builder.timeOutMills);
+        this.connectionKeepAlive = loadLongConfig(GrpcConstants.GRPC_CONNECT_KEEP_ALIVE_TIME,
+                builder.connectionKeepAlive);
+        this.threadPoolKeepAlive = loadLongConfig(GrpcConstants.GRPC_THREADPOOL_KEEPALIVETIME,
+                builder.threadPoolKeepAlive);
+        this.threadPoolCoreSize = loadIntegerConfig(GrpcConstants.GRPC_THREADPOOL_CORE_SIZE,
+                builder.threadPoolCoreSize);
+        this.threadPoolMaxSize = loadIntegerConfig(GrpcConstants.GRPC_THREADPOOL_MAX_SIZE, builder.threadPoolMaxSize);
+        this.serverCheckTimeOut = loadLongConfig(GrpcConstants.GRPC_SERVER_CHECK_TIMEOUT, builder.serverCheckTimeOut);
+        this.threadPoolQueueSize = loadIntegerConfig(GrpcConstants.GRPC_QUEUESIZE, builder.threadPoolQueueSize);
+        this.maxInboundMessageSize = loadIntegerConfig(GrpcConstants.GRPC_MAX_INBOUND_MESSAGE_SIZE,
+                builder.maxInboundMessageSize);
+        this.channelKeepAlive = loadIntegerConfig(GrpcConstants.GRPC_CHANNEL_KEEP_ALIVE_TIME, builder.channelKeepAlive);
+        this.healthCheckRetryTimes = loadIntegerConfig(GrpcConstants.GRPC_HEALTHCHECK_RETRY_TIMES,
+                builder.healthCheckRetryTimes);
+        this.healthCheckTimeOut = loadLongConfig(GrpcConstants.GRPC_HEALTHCHECK_TIMEOUT, builder.healthCheckTimeOut);
+        this.labels = builder.labels;
+    }
+    
+    private int loadIntegerConfig(String key, int builderValue) {
+        return Integer.getInteger(key, builderValue);
+    }
+    
+    private long loadLongConfig(String key, long builderValue) {
+        return Long.getLong(key, builderValue);
+    }
+    
+    @Override
+    public String name() {
+        return this.name;
+    }
+    
+    @Override
+    public int retryTimes() {
+        return retryTimes;
+    }
+    
+    @Override
+    public long timeOutMills() {
+        return timeOutMills;
+    }
+    
+    @Override
+    public long connectionKeepAlive() {
+        return connectionKeepAlive;
+    }
+    
+    @Override
+    public int threadPoolCoreSize() {
+        return threadPoolCoreSize;
+    }
+    
+    @Override
+    public int threadPoolMaxSize() {
+        return threadPoolMaxSize;
+    }
+    
+    @Override
+    public long threadPoolKeepAlive() {
+        return threadPoolKeepAlive;
+    }
+    
+    @Override
+    public long serverCheckTimeOut() {
+        return serverCheckTimeOut;
+    }
+    
+    @Override
+    public int threadPoolQueueSize() {
+        return threadPoolQueueSize;
+    }
+    
+    @Override
+    public int maxInboundMessageSize() {
+        return maxInboundMessageSize;
+    }
+    
+    @Override
+    public int channelKeepAlive() {
+        return channelKeepAlive;
+    }
+    
+    @Override
+    public int healthCheckRetryTimes() {
+        return healthCheckRetryTimes;
+    }
+    
+    @Override
+    public long healthCheckTimeOut() {
+        return healthCheckTimeOut;
+    }
+    
+    @Override
+    public Map<String, String> labels() {
+        return this.labels;
+    }
+    
+    public static Builder newBuilder() {
+        return new Builder();
+    }
+    
+    public static class Builder {
+        
+        private String name;
+        
+        private int retryTimes = 3;
+        
+        private long timeOutMills = 3000L;
+        
+        private long connectionKeepAlive = 5000L;
+        
+        private long threadPoolKeepAlive = 10000L;
+        
+        private int threadPoolCoreSize = ThreadUtils.getSuitableThreadCount(2);
+        
+        private int threadPoolMaxSize = ThreadUtils.getSuitableThreadCount(8);
+        
+        private long serverCheckTimeOut = 3000L;
+        
+        private int threadPoolQueueSize = 10000;
+        
+        private int maxInboundMessageSize = 10 * 1024 * 1024;
+        
+        private int channelKeepAlive = 6 * 60 * 1000;
+        
+        private int healthCheckRetryTimes = 3;
+        
+        private long healthCheckTimeOut = 3000L;
+        
+        private Map<String, String> labels = new HashMap<>();
+        
+        private Builder() {
+        }
+        
+        /**
+         * Set config from properties.
+         *
+         * @param properties properties
+         * @return Builder
+         */
+        public Builder fromProperties(Properties properties) {
+            if (properties.contains(GrpcConstants.GRPC_NAME)) {
+                this.name = properties.getProperty(GrpcConstants.GRPC_NAME);
+            }
+            if (properties.contains(GrpcConstants.GRPC_RETRY_TIMES)) {
+                this.retryTimes = Integer.parseInt(properties.getProperty(GrpcConstants.GRPC_RETRY_TIMES));
+            }
+            if (properties.contains(GrpcConstants.GRPC_TIMEOUT_MILLS)) {
+                this.timeOutMills = Long.parseLong(properties.getProperty(GrpcConstants.GRPC_TIMEOUT_MILLS));
+            }
+            if (properties.contains(GrpcConstants.GRPC_CONNECT_KEEP_ALIVE_TIME)) {
+                this.connectionKeepAlive = Long
+                        .parseLong(properties.getProperty(GrpcConstants.GRPC_CONNECT_KEEP_ALIVE_TIME));
+            }
+            if (properties.contains(GrpcConstants.GRPC_THREADPOOL_KEEPALIVETIME)) {
+                this.threadPoolKeepAlive = Long
+                        .parseLong(properties.getProperty(GrpcConstants.GRPC_THREADPOOL_KEEPALIVETIME));
+            }
+            if (properties.contains(GrpcConstants.GRPC_THREADPOOL_CORE_SIZE)) {
+                this.threadPoolCoreSize = Integer
+                        .parseInt(properties.getProperty(GrpcConstants.GRPC_THREADPOOL_CORE_SIZE));
+            }
+            if (properties.contains(GrpcConstants.GRPC_THREADPOOL_MAX_SIZE)) {
+                this.threadPoolMaxSize = Integer
+                        .parseInt(properties.getProperty(GrpcConstants.GRPC_THREADPOOL_MAX_SIZE));
+            }
+            if (properties.contains(GrpcConstants.GRPC_SERVER_CHECK_TIMEOUT)) {
+                this.serverCheckTimeOut = Long
+                        .parseLong(properties.getProperty(GrpcConstants.GRPC_SERVER_CHECK_TIMEOUT));
+            }
+            if (properties.contains(GrpcConstants.GRPC_QUEUESIZE)) {
+                this.threadPoolQueueSize = Integer.parseInt(properties.getProperty(GrpcConstants.GRPC_QUEUESIZE));
+            }
+            if (properties.contains(GrpcConstants.GRPC_MAX_INBOUND_MESSAGE_SIZE)) {
+                this.maxInboundMessageSize = Integer
+                        .parseInt(properties.getProperty(GrpcConstants.GRPC_MAX_INBOUND_MESSAGE_SIZE));
+            }
+            if (properties.contains(GrpcConstants.GRPC_CHANNEL_KEEP_ALIVE_TIME)) {
+                this.channelKeepAlive = Integer
+                        .parseInt(properties.getProperty(GrpcConstants.GRPC_CHANNEL_KEEP_ALIVE_TIME));
+            }
+            if (properties.contains(GrpcConstants.GRPC_HEALTHCHECK_RETRY_TIMES)) {
+                this.healthCheckRetryTimes = Integer
+                        .parseInt(properties.getProperty(GrpcConstants.GRPC_HEALTHCHECK_RETRY_TIMES));
+            }
+            if (properties.contains(GrpcConstants.GRPC_HEALTHCHECK_TIMEOUT)) {
+                this.healthCheckTimeOut = Long
+                        .parseLong(properties.getProperty(GrpcConstants.GRPC_HEALTHCHECK_TIMEOUT));
+            }
+            return this;
+        }
+        
+        /**
+         * set client name.
+         */
+        public Builder setName(String name) {
+            this.name = name;
+            return this;
+        }
+        
+        /**
+         * set retryTimes.
+         */
+        public Builder setRetryTimes(int retryTimes) {
+            this.retryTimes = retryTimes;
+            return this;
+        }
+        
+        /**
+         * set timeOutMills.
+         */
+        public Builder setTimeOutMills(long timeOutMills) {
+            this.timeOutMills = timeOutMills;
+            return this;
+        }
+        
+        /**
+         * set connectionKeepAlive.
+         */
+        public Builder setConnectionKeepAlive(long connectionKeepAlive) {
+            this.connectionKeepAlive = connectionKeepAlive;
+            return this;
+        }
+        
+        /**
+         * set threadPoolKeepAlive.
+         */
+        public Builder setThreadPoolKeepAlive(Long threadPoolKeepAlive) {
+            this.threadPoolKeepAlive = threadPoolKeepAlive;
+            return this;
+        }
+        
+        /**
+         * set threadPoolCoreSize.
+         */
+        public Builder setThreadPoolCoreSize(Integer threadPoolCoreSize) {
+            if (!Objects.isNull(threadPoolCoreSize)) {
+                this.threadPoolCoreSize = threadPoolCoreSize;
+            }
+            return this;
+        }
+        
+        /**
+         * set threadPoolMaxSize.
+         */
+        public Builder setThreadPoolMaxSize(Integer threadPoolMaxSize) {
+            if (!Objects.isNull(threadPoolMaxSize)) {
+                this.threadPoolMaxSize = threadPoolMaxSize;
+            }
+            return this;
+        }
+        
+        /**
+         * set serverCheckTimeOut.
+         */
+        public Builder setServerCheckTimeOut(Long serverCheckTimeOut) {
+            this.serverCheckTimeOut = serverCheckTimeOut;
+            return this;
+        }
+        
+        /**
+         * set threadPoolQueueSize.
+         */
+        public Builder setThreadPoolQueueSize(int threadPoolQueueSize) {
+            this.threadPoolQueueSize = threadPoolQueueSize;
+            return this;
+        }
+        
+        /**
+         * set maxInboundMessageSize.
+         */
+        public Builder setMaxInboundMessageSize(int maxInboundMessageSize) {
+            this.maxInboundMessageSize = maxInboundMessageSize;
+            return this;
+        }
+        
+        /**
+         * set channelKeepAlive.
+         */
+        public Builder setChannelKeepAlive(int channelKeepAlive) {
+            this.channelKeepAlive = channelKeepAlive;
+            return this;
+        }
+        
+        /**
+         * set healthCheckRetryTimes.
+         */
+        public Builder setHealthCheckRetryTimes(int healthCheckRetryTimes) {
+            this.healthCheckRetryTimes = healthCheckRetryTimes;
+            return this;
+        }
+        
+        /**
+         * set healthCheckTimeOut.
+         */
+        public Builder setHealthCheckTimeOut(long healthCheckTimeOut) {
+            this.healthCheckTimeOut = healthCheckTimeOut;
+            return this;
+        }
+        
+        /**
+         * set labels.
+         */
+        public Builder setLabels(Map<String, String> labels) {
+            this.labels.putAll(labels);
+            return this;
+        }
+        
+        /**
+         * build GrpcClientConfig.
+         */
+        public GrpcClientConfig build() {
+            return new DefaultGrpcClientConfig(this);
+        }
+    }
+    
+}

common/src/main/java/com/alibaba/nacos/common/remote/client/grpc/GrpcClient.java

@@ -30,9 +30,9 @@ import com.alibaba.nacos.common.remote.ConnectionType;
 import com.alibaba.nacos.common.remote.client.Connection;
 import com.alibaba.nacos.common.remote.client.RpcClient;
 import com.alibaba.nacos.common.remote.client.RpcClientStatus;
+import com.alibaba.nacos.common.remote.client.ServerListFactory;
 import com.alibaba.nacos.common.utils.LoggerUtils;
 import com.alibaba.nacos.common.utils.ThreadFactoryBuilder;
-import com.alibaba.nacos.common.utils.ThreadUtils;
 import com.alibaba.nacos.common.utils.VersionUtils;
 import com.google.common.util.concurrent.ListenableFuture;
 import io.grpc.CompressorRegistry;
@@ -43,6 +43,8 @@ import io.grpc.stub.StreamObserver;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.Map;
+import java.util.Properties;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
@@ -56,19 +58,11 @@ import java.util.concurrent.TimeUnit;
 @SuppressWarnings("PMD.AbstractClassShouldStartWithAbstractNamingRule")
 public abstract class GrpcClient extends RpcClient {
     
-    static final Logger LOGGER = LoggerFactory.getLogger(GrpcClient.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(GrpcClient.class);
     
-    protected static final String NACOS_SERVER_GRPC_PORT_OFFSET_KEY = "nacos.server.grpc.port.offset";
+    private final GrpcClientConfig clientConfig;
     
-    private ThreadPoolExecutor grpcExecutor = null;
-    
-    private Integer threadPoolCoreSize;
-    
-    private Integer threadPoolMaxSize;
-    
-    private static final long DEFAULT_MAX_INBOUND_MESSAGE_SIZE = 10 * 1024 * 1024L;
-    
-    private static final long DEFAULT_KEEP_ALIVE_TIME = 6 * 60 * 1000;
+    private ThreadPoolExecutor grpcExecutor;
     
     @Override
     public ConnectionType getConnectionType() {
@@ -76,47 +70,64 @@ public abstract class GrpcClient extends RpcClient {
     }
     
     /**
-     * Empty constructor.
+     * constructor.
+     *
+     * @param name .
      */
     public GrpcClient(String name) {
-        super(name);
+        this(DefaultGrpcClientConfig.newBuilder().setName(name).build());
     }
     
     /**
-     * Set core size of thread pool.
+     * constructor.
      *
-     * @param threadPoolCoreSize core size of thread pool for grpc.
+     * @param properties .
      */
-    public void setThreadPoolCoreSize(Integer threadPoolCoreSize) {
-        this.threadPoolCoreSize = threadPoolCoreSize;
+    public GrpcClient(Properties properties) {
+        this(DefaultGrpcClientConfig.newBuilder().fromProperties(properties).build());
     }
     
     /**
-     * Set max size of thread pool.
+     * constructor.
      *
-     * @param threadPoolMaxSize max size of thread pool for grpc.
+     * @param clientConfig .
      */
-    public void setThreadPoolMaxSize(Integer threadPoolMaxSize) {
-        this.threadPoolMaxSize = threadPoolMaxSize;
+    public GrpcClient(GrpcClientConfig clientConfig) {
+        super(clientConfig);
+        this.clientConfig = clientConfig;
     }
     
-    protected Integer getThreadPoolCoreSize() {
-        return threadPoolCoreSize != null ? threadPoolCoreSize : ThreadUtils.getSuitableThreadCount(2);
+    /**
+     * constructor.
+     *
+     * @param clientConfig      .
+     * @param serverListFactory .
+     */
+    public GrpcClient(GrpcClientConfig clientConfig, ServerListFactory serverListFactory) {
+        super(clientConfig, serverListFactory);
+        this.clientConfig = clientConfig;
     }
     
-    protected Integer getThreadPoolMaxSize() {
-        return threadPoolMaxSize != null ? threadPoolMaxSize : ThreadUtils.getSuitableThreadCount(8);
+    /**
+     * constructor.
+     *
+     * @param name               .
+     * @param threadPoolCoreSize .
+     * @param threadPoolMaxSize  .
+     * @param labels             .
+     */
+    public GrpcClient(String name, Integer threadPoolCoreSize, Integer threadPoolMaxSize, Map<String, String> labels) {
+        this(DefaultGrpcClientConfig.newBuilder().setName(name).setThreadPoolCoreSize(threadPoolCoreSize)
+                .setThreadPoolMaxSize(threadPoolMaxSize).setLabels(labels).build());
     }
     
     protected ThreadPoolExecutor createGrpcExecutor(String serverIp) {
-        ThreadPoolExecutor grpcExecutor = new ThreadPoolExecutor(
-                getThreadPoolCoreSize(),
-                getThreadPoolMaxSize(),
-                10L, TimeUnit.SECONDS,
-                new LinkedBlockingQueue<>(10000),
-                new ThreadFactoryBuilder()
-                        .daemon(true)
-                        .nameFormat("nacos-grpc-client-executor-" + serverIp + "-%d")
+        // Thread name will use String.format, ipv6 maybe contain special word %, so handle it first.
+        serverIp = serverIp.replaceAll("%", "-");
+        ThreadPoolExecutor grpcExecutor = new ThreadPoolExecutor(clientConfig.threadPoolCoreSize(),
+                clientConfig.threadPoolMaxSize(), clientConfig.threadPoolKeepAlive(), TimeUnit.MILLISECONDS,
+                new LinkedBlockingQueue<>(clientConfig.threadPoolQueueSize()),
+                new ThreadFactoryBuilder().daemon(true).nameFormat("nacos-grpc-client-executor-" + serverIp + "-%d")
                         .build());
         grpcExecutor.allowCoreThreadTimeOut(true);
         return grpcExecutor;
@@ -130,7 +141,7 @@ public abstract class GrpcClient extends RpcClient {
             grpcExecutor.shutdown();
         }
     }
-
+    
     /**
      * Create a stub using a channel.
      *
@@ -140,7 +151,7 @@ public abstract class GrpcClient extends RpcClient {
     private RequestGrpc.RequestFutureStub createNewChannelStub(ManagedChannel managedChannelTemp) {
         return RequestGrpc.newFutureStub(managedChannelTemp);
     }
-
+    
     /**
      * create a new channel with specific server address.
      *
@@ -149,24 +160,14 @@ public abstract class GrpcClient extends RpcClient {
      * @return if server check success,return a non-null channel.
      */
     private ManagedChannel createNewManagedChannel(String serverIp, int serverPort) {
-        ManagedChannelBuilder<?> managedChannelBuilder = ManagedChannelBuilder.forAddress(serverIp, serverPort).executor(grpcExecutor)
-                .compressorRegistry(CompressorRegistry.getDefaultInstance()).decompressorRegistry(DecompressorRegistry.getDefaultInstance())
-                .maxInboundMessageSize(getInboundMessageSize()).keepAliveTime(keepAliveTimeMillis(), TimeUnit.MILLISECONDS).usePlaintext();
+        ManagedChannelBuilder<?> managedChannelBuilder = ManagedChannelBuilder.forAddress(serverIp, serverPort)
+                .executor(grpcExecutor).compressorRegistry(CompressorRegistry.getDefaultInstance())
+                .decompressorRegistry(DecompressorRegistry.getDefaultInstance())
+                .maxInboundMessageSize(clientConfig.maxInboundMessageSize())
+                .keepAliveTime(clientConfig.channelKeepAlive(), TimeUnit.MILLISECONDS).usePlaintext();
         return managedChannelBuilder.build();
     }
     
-    private int getInboundMessageSize() {
-        String messageSize = System.getProperty("nacos.remote.client.grpc.maxinbound.message.size",
-                String.valueOf(DEFAULT_MAX_INBOUND_MESSAGE_SIZE));
-        return Integer.parseInt(messageSize);
-    }
-    
-    private int keepAliveTimeMillis() {
-        String keepAliveTimeMillis = System
-                .getProperty("nacos.remote.grpc.keep.alive.millis", String.valueOf(DEFAULT_KEEP_ALIVE_TIME));
-        return Integer.parseInt(keepAliveTimeMillis);
-    }
-    
     /**
      * shutdown a  channel.
      *
@@ -192,7 +193,7 @@ public abstract class GrpcClient extends RpcClient {
             ServerCheckRequest serverCheckRequest = new ServerCheckRequest();
             Payload grpcRequest = GrpcUtils.convert(serverCheckRequest);
             ListenableFuture<Payload> responseFuture = requestBlockingStub.request(grpcRequest);
-            Payload response = responseFuture.get(3000L, TimeUnit.MILLISECONDS);
+            Payload response = responseFuture.get(clientConfig.serverCheckTimeOut(), TimeUnit.MILLISECONDS);
             //receive connection unregister response here,not check response is success.
             return (Response) GrpcUtils.parse(response);
         } catch (Exception e) {

common/src/main/java/com/alibaba/nacos/common/remote/client/grpc/GrpcClientConfig.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.common.remote.client.grpc;
+
+import com.alibaba.nacos.common.remote.client.RpcClientConfig;
+
+/**
+ * GrpcCleint config. Use to collect and init Grpc client configuration.
+ *
+ * @author karsonto
+ */
+public interface GrpcClientConfig extends RpcClientConfig {
+    
+    /**
+     * get threadPoolCoreSize.
+     *
+     * @return threadPoolCoreSize.
+     */
+    int threadPoolCoreSize();
+    
+    /**
+     * get threadPoolMaxSize.
+     *
+     * @return threadPoolMaxSize.
+     */
+    int threadPoolMaxSize();
+    
+    /**
+     * get thread pool keep alive time.
+     *
+     * @return threadPoolKeepAlive.
+     */
+    long threadPoolKeepAlive();
+    
+    /**
+     * get server check time out.
+     *
+     * @return serverCheckTimeOut.
+     */
+    long serverCheckTimeOut();
+    
+    /**
+     * get thread pool queue size.
+     *
+     * @return threadPoolQueueSize.
+     */
+    int threadPoolQueueSize();
+    
+    /**
+     * get maxInboundMessage size.
+     *
+     * @return maxInboundMessageSize.
+     */
+    int maxInboundMessageSize();
+    
+    /**
+     * get channelKeepAlive time.
+     *
+     * @return channelKeepAlive.
+     */
+    int channelKeepAlive();
+    
+}

common/src/main/java/com/alibaba/nacos/common/remote/client/grpc/GrpcClusterClient.java

@@ -18,6 +18,9 @@ package com.alibaba.nacos.common.remote.client.grpc;
 
 import com.alibaba.nacos.api.common.Constants;
 
+import java.util.Map;
+import java.util.Properties;
+
 /**
  * gRPC client for cluster.
  *
@@ -35,9 +38,40 @@ public class GrpcClusterClient extends GrpcClient {
         super(name);
     }
     
+    /**
+     * Empty constructor.
+     *
+     * @param config of GrpcClientConfig.
+     */
+    public GrpcClusterClient(GrpcClientConfig config) {
+        super(config);
+    }
+    
+    /**
+     * Constructor.
+     *
+     * @param properties .
+     */
+    public GrpcClusterClient(Properties properties) {
+        super(properties);
+    }
+    
+    /**
+     * Constructor.
+     *
+     * @param name               name of client.
+     * @param threadPoolCoreSize .
+     * @param threadPoolMaxSize  .
+     * @param labels             .
+     */
+    public GrpcClusterClient(String name, Integer threadPoolCoreSize, Integer threadPoolMaxSize,
+            Map<String, String> labels) {
+        super(name, threadPoolCoreSize, threadPoolMaxSize, labels);
+    }
+    
     @Override
     public int rpcPortOffset() {
-        return Integer.parseInt(System.getProperty(NACOS_SERVER_GRPC_PORT_OFFSET_KEY,
+        return Integer.parseInt(System.getProperty(GrpcConstants.NACOS_SERVER_GRPC_PORT_OFFSET_KEY,
                 String.valueOf(Constants.CLUSTER_GRPC_PORT_DEFAULT_OFFSET)));
     }
     

common/src/main/java/com/alibaba/nacos/common/remote/client/grpc/GrpcConstants.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.common.remote.client.grpc;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.lang.reflect.Field;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * GrpcConsts.
+ *
+ * @author karsonto
+ */
+public class GrpcConstants {
+    
+    public static final String NACOS_SERVER_GRPC_PORT_OFFSET_KEY = "nacos.server.grpc.port.offset";
+    
+    public static final String NACOS_CLIENT_GRPC = "nacos.remote.client.grpc";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_NAME = NACOS_CLIENT_GRPC + ".name";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_THREADPOOL_KEEPALIVETIME = NACOS_CLIENT_GRPC + ".pool.alive";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_THREADPOOL_CORE_SIZE = NACOS_CLIENT_GRPC + ".pool.core.size";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_RETRY_TIMES = NACOS_CLIENT_GRPC + ".retry.times";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_TIMEOUT_MILLS = NACOS_CLIENT_GRPC + ".timeout";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_CONNECT_KEEP_ALIVE_TIME = NACOS_CLIENT_GRPC + ".connect.keep.alive";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_THREADPOOL_MAX_SIZE = NACOS_CLIENT_GRPC + ".pool.max.size";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_SERVER_CHECK_TIMEOUT = NACOS_CLIENT_GRPC + ".server.check.timeout";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_QUEUESIZE = NACOS_CLIENT_GRPC + ".queue.size";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_HEALTHCHECK_RETRY_TIMES = NACOS_CLIENT_GRPC + ".health.retry";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_HEALTHCHECK_TIMEOUT = NACOS_CLIENT_GRPC + ".health.timeout";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_MAX_INBOUND_MESSAGE_SIZE = NACOS_CLIENT_GRPC + ".maxinbound.message.size";
+    
+    @GRpcConfigLabel
+    public static final String GRPC_CHANNEL_KEEP_ALIVE_TIME = NACOS_CLIENT_GRPC + ".channel.keep.alive";
+    
+    private static final Set<String> CONFIG_NAMES = new HashSet<>();
+    
+    @Documented
+    @Target(ElementType.FIELD)
+    @Retention(RetentionPolicy.RUNTIME)
+    protected @interface GRpcConfigLabel {
+    
+    }
+    
+    static {
+        Class clazz = GrpcConstants.class;
+        Field[] declaredFields = clazz.getDeclaredFields();
+        for (Field declaredField : declaredFields) {
+            declaredField.setAccessible(true);
+            if (declaredField.getType().equals(String.class) && null != declaredField.getAnnotation(
+                    GRpcConfigLabel.class)) {
+                try {
+                    CONFIG_NAMES.add((String) declaredField.get(null));
+                } catch (IllegalAccessException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+    
+    public static Set<String> getRpcParams() {
+        return Collections.unmodifiableSet(CONFIG_NAMES);
+    }
+}

common/src/main/java/com/alibaba/nacos/common/remote/client/grpc/GrpcSdkClient.java

@@ -18,6 +18,9 @@ package com.alibaba.nacos.common.remote.client.grpc;
 
 import com.alibaba.nacos.api.common.Constants;
 
+import java.util.Map;
+import java.util.Properties;
+
 /**
  * gRPC client for sdk.
  *
@@ -27,7 +30,7 @@ import com.alibaba.nacos.api.common.Constants;
 public class GrpcSdkClient extends GrpcClient {
     
     /**
-     * Empty constructor.
+     * Constructor.
      *
      * @param name name of client.
      */
@@ -35,9 +38,40 @@ public class GrpcSdkClient extends GrpcClient {
         super(name);
     }
     
+    /**
+     * Constructor.
+     *
+     * @param properties .
+     */
+    public GrpcSdkClient(Properties properties) {
+        super(properties);
+    }
+    
+    /**
+     * Constructor.
+     *
+     * @param name               name of client.
+     * @param threadPoolCoreSize .
+     * @param threadPoolMaxSize  .
+     * @param labels             .
+     */
+    public GrpcSdkClient(String name, Integer threadPoolCoreSize, Integer threadPoolMaxSize,
+            Map<String, String> labels) {
+        super(name, threadPoolCoreSize, threadPoolMaxSize, labels);
+    }
+    
+    /**
+     * constructor.
+     *
+     * @param config of GrpcClientConfig.
+     */
+    public GrpcSdkClient(GrpcClientConfig config) {
+        super(config);
+    }
+    
     @Override
     public int rpcPortOffset() {
-        return Integer.parseInt(System.getProperty(NACOS_SERVER_GRPC_PORT_OFFSET_KEY,
+        return Integer.parseInt(System.getProperty(GrpcConstants.NACOS_SERVER_GRPC_PORT_OFFSET_KEY,
                 String.valueOf(Constants.SDK_GRPC_PORT_DEFAULT_OFFSET)));
     }
     

common/src/main/java/com/alibaba/nacos/common/remote/client/grpc/GrpcUtils.java

@@ -32,6 +32,8 @@ import com.google.protobuf.ByteString;
 import com.google.protobuf.UnsafeByteOperations;
 
 import java.nio.ByteBuffer;
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * gRPC utils, use to parse request and response.
@@ -59,8 +61,7 @@ public class GrpcUtils {
         payloadBuilder.setMetadata(metaBuilder.build());
         
         // request body .
-        request.clearHeaders();
-        byte[] jsonBytes = JacksonUtils.toJsonBytes(request);
+        byte[] jsonBytes = convertRequestToByte(request);
         return payloadBuilder
                 .setBody(Any.newBuilder().setValue(UnsafeByteOperations.unsafeWrap(jsonBytes)))
                 .build();
@@ -77,11 +78,11 @@ public class GrpcUtils {
         
         Metadata newMeta = Metadata.newBuilder().setType(request.getClass().getSimpleName())
                 .setClientIp(NetUtils.localIP()).putAllHeaders(request.getHeaders()).build();
-        request.clearHeaders();
-        byte[] jsonBytes = JacksonUtils.toJsonBytes(request);
+        
+        byte[] jsonBytes = convertRequestToByte(request);
         
         Payload.Builder builder = Payload.newBuilder();
-    
+        
         return builder
                 .setBody(Any.newBuilder().setValue(UnsafeByteOperations.unsafeWrap(jsonBytes)))
                 .setMetadata(newMeta).build();
@@ -103,6 +104,14 @@ public class GrpcUtils {
                 .setMetadata(metaBuilder.build()).build();
     }
     
+    private static byte[] convertRequestToByte(Request request) {
+        Map<String, String> requestHeaders = new HashMap<>(request.getHeaders());
+        request.clearHeaders();
+        byte[] jsonBytes = JacksonUtils.toJsonBytes(request);
+        request.putAllHeader(requestHeaders);
+        return jsonBytes;
+    }
+    
     /**
      * parse payload to request/response model.
      *

common/src/main/java/com/alibaba/nacos/common/trace/event/naming/NamingTraceEvent.java

@@ -31,4 +31,9 @@ public class NamingTraceEvent extends TraceEvent {
             String serviceNamespace, String serviceGroup, String name) {
         super(eventType, eventTime, serviceNamespace, serviceGroup, name);
     }
+    
+    @Override
+    public boolean isPluginEvent() {
+        return true;
+    }
 }

common/src/main/java/com/alibaba/nacos/common/trace/publisher/TraceEventPublisher.java

@@ -103,7 +103,6 @@ public class TraceEventPublisher extends Thread implements ShardedEventPublisher
         boolean success = this.queue.offer(event);
         if (!success) {
             LOGGER.warn("Trace Event Publish failed, event : {}, publish queue size : {}", event, currentEventSize());
-            return true;
         }
         return true;
     }

common/src/main/java/com/alibaba/nacos/common/trace/publisher/TraceEventPublisherFactory.java

@@ -50,7 +50,6 @@ public class TraceEventPublisherFactory implements EventPublisherFactory {
 
     @Override
     public EventPublisher apply(final Class<? extends Event> eventType, final Integer maxQueueSize) {
-        // Like ClientEvent$ClientChangeEvent cache by ClientEvent
         Class<? extends Event> cachedEventType = TraceEvent.class;
         
         for (Class<? extends Event> publisherEvent : publisherEvents) {

common/src/test/java/com/alibaba/nacos/common/remote/client/RpcClientFactoryTest.java

@@ -104,7 +104,7 @@ public class RpcClientFactoryTest {
         RpcClient client = RpcClientFactory
                 .createClient("testClient", ConnectionType.GRPC, Collections.singletonMap("labelKey", "labelValue"));
         
-        Assert.assertEquals(Collections.singletonMap("labelKey", "labelValue"), client.labels);
+        Assert.assertEquals(Collections.singletonMap("labelKey", "labelValue"), client.rpcClientConfig.labels());
         Assert.assertEquals(ConnectionType.GRPC, client.getConnectionType());
         Assert.assertEquals("testClient", CollectionUtils.getOnlyElement(RpcClientFactory.getAllClientEntries()).getKey());
     }
@@ -134,7 +134,7 @@ public class RpcClientFactoryTest {
                 Collections.singletonMap("labelKey", "labelValue")
         );
         
-        Assert.assertEquals(Collections.singletonMap("labelKey", "labelValue"), client.labels);
+        Assert.assertEquals(Collections.singletonMap("labelKey", "labelValue"), client.rpcClientConfig.labels());
         Assert.assertEquals(ConnectionType.GRPC, client.getConnectionType());
         Assert.assertEquals("testClient", CollectionUtils.getOnlyElement(RpcClientFactory.getAllClientEntries()).getKey());
     }

common/src/test/java/com/alibaba/nacos/common/remote/client/RpcClientTest.java

@@ -21,6 +21,7 @@ import com.alibaba.nacos.api.remote.RequestCallBack;
 import com.alibaba.nacos.api.remote.request.Request;
 import com.alibaba.nacos.api.remote.response.ErrorResponse;
 import com.alibaba.nacos.common.remote.ConnectionType;
+import com.alibaba.nacos.common.remote.client.grpc.DefaultGrpcClientConfig;
 import com.alibaba.nacos.common.remote.client.grpc.GrpcConnection;
 import org.junit.After;
 import org.junit.Assert;
@@ -36,10 +37,12 @@ import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.Map;
 import java.util.Queue;
-import java.util.concurrent.TimeUnit;
+import java.util.Random;
 
+import static org.junit.Assert.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.Mockito.atLeastOnce;
@@ -49,24 +52,21 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 @RunWith(MockitoJUnitRunner.class)
 public class RpcClientTest {
     
     RpcClient rpcClient;
     
-    Field keepAliveTimeField;
-    
     Field serverListFactoryField;
     
     Field reconnectionSignalField;
     
-    Field retryTimesField;
-    
-    Field timeoutMillsField;
-    
     Method resolveServerInfoMethod;
     
+    Method healthCheck;
+    
     Answer<?> runAsSync;
     
     Answer<?> notInvoke;
@@ -77,9 +77,47 @@ public class RpcClientTest {
     @Mock
     Connection connection;
     
+    RpcClientConfig rpcClientConfig;
+    
     @Before
     public void setUp() throws NoSuchFieldException, IllegalAccessException, NoSuchMethodException {
-        rpcClient = spy(new RpcClient("testClient") {
+        rpcClientConfig = spy(new RpcClientConfig() {
+            @Override
+            public String name() {
+                return "test";
+            }
+            
+            @Override
+            public int retryTimes() {
+                return 1;
+            }
+            
+            @Override
+            public long timeOutMills() {
+                return 3000L;
+            }
+            
+            @Override
+            public long connectionKeepAlive() {
+                return 5000L;
+            }
+            
+            @Override
+            public int healthCheckRetryTimes() {
+                return 1;
+            }
+            
+            @Override
+            public long healthCheckTimeOut() {
+                return 3000L;
+            }
+            
+            @Override
+            public Map<String, String> labels() {
+                return new HashMap<>();
+            }
+        });
+        rpcClient = spy(new RpcClient(rpcClientConfig) {
             @Override
             public ConnectionType getConnectionType() {
                 return null;
@@ -96,9 +134,6 @@ public class RpcClientTest {
             }
         });
         
-        keepAliveTimeField = RpcClient.class.getDeclaredField("keepAliveTime");
-        keepAliveTimeField.setAccessible(true);
-        
         serverListFactoryField = RpcClient.class.getDeclaredField("serverListFactory");
         serverListFactoryField.setAccessible(true);
         
@@ -108,21 +143,12 @@ public class RpcClientTest {
         modifiersField1.setAccessible(true);
         modifiersField1.setInt(reconnectionSignalField, reconnectionSignalField.getModifiers() & ~Modifier.FINAL);
         
-        retryTimesField = RpcClient.class.getDeclaredField("RETRY_TIMES");
-        retryTimesField.setAccessible(true);
-        Field modifiersField3 = Field.class.getDeclaredField("modifiers");
-        modifiersField3.setAccessible(true);
-        modifiersField3.setInt(retryTimesField, retryTimesField.getModifiers() & ~Modifier.FINAL);
-        
-        timeoutMillsField = RpcClient.class.getDeclaredField("DEFAULT_TIMEOUT_MILLS");
-        timeoutMillsField.setAccessible(true);
-        Field modifiersField4 = Field.class.getDeclaredField("modifiers");
-        modifiersField4.setAccessible(true);
-        modifiersField4.setInt(timeoutMillsField, timeoutMillsField.getModifiers() & ~Modifier.FINAL);
-        
         resolveServerInfoMethod = RpcClient.class.getDeclaredMethod("resolveServerInfo", String.class);
         resolveServerInfoMethod.setAccessible(true);
         
+        healthCheck = RpcClient.class.getDeclaredMethod("healthCheck");
+        healthCheck.setAccessible(true);
+        
         runAsSync = invocationOnMock -> {
             Runnable runnable = (Runnable) invocationOnMock.getArguments()[0];
             runnable.run();
@@ -134,7 +160,7 @@ public class RpcClientTest {
     
     @After
     public void tearDown() throws IllegalAccessException {
-        rpcClient.labels.clear();
+        rpcClientConfig.labels().clear();
         rpcClient.rpcClientStatus.set(RpcClientStatus.WAIT_INIT);
         serverListFactoryField.set(rpcClient, null);
         ((Queue<?>) reconnectionSignalField.get(rpcClient)).clear();
@@ -147,13 +173,48 @@ public class RpcClientTest {
     public void testInitServerListFactory() {
         rpcClient.rpcClientStatus.set(RpcClientStatus.WAIT_INIT);
         rpcClient.serverListFactory(serverListFactory);
-        Assert.assertEquals(RpcClientStatus.INITIALIZED, rpcClient.rpcClientStatus.get());
+        assertEquals(RpcClientStatus.INITIALIZED, rpcClient.rpcClientStatus.get());
         
         rpcClient.rpcClientStatus.set(RpcClientStatus.INITIALIZED);
         rpcClient.serverListFactory(serverListFactory);
-        Assert.assertEquals(RpcClientStatus.INITIALIZED, rpcClient.rpcClientStatus.get());
+        assertEquals(RpcClientStatus.INITIALIZED, rpcClient.rpcClientStatus.get());
         
-        RpcClient client1 = new RpcClient("test", serverListFactory) {
+        RpcClient client1 = new RpcClient(new RpcClientConfig() {
+            @Override
+            public String name() {
+                return "test";
+            }
+            
+            @Override
+            public int retryTimes() {
+                return 3;
+            }
+            
+            @Override
+            public long timeOutMills() {
+                return 3000L;
+            }
+            
+            @Override
+            public long connectionKeepAlive() {
+                return 5000L;
+            }
+            
+            @Override
+            public int healthCheckRetryTimes() {
+                return 1;
+            }
+            
+            @Override
+            public long healthCheckTimeOut() {
+                return 3000L;
+            }
+            
+            @Override
+            public Map<String, String> labels() {
+                return new HashMap<>();
+            }
+        }, serverListFactory) {
             @Override
             public ConnectionType getConnectionType() {
                 return null;
@@ -169,9 +230,9 @@ public class RpcClientTest {
                 return null;
             }
         };
-        Assert.assertEquals(RpcClientStatus.INITIALIZED, client1.rpcClientStatus.get());
+        assertEquals(RpcClientStatus.INITIALIZED, client1.rpcClientStatus.get());
         
-        RpcClient client2 = new RpcClient(serverListFactory) {
+        RpcClient client2 = new RpcClient(rpcClientConfig, serverListFactory) {
             @Override
             public ConnectionType getConnectionType() {
                 return null;
@@ -187,30 +248,21 @@ public class RpcClientTest {
                 return null;
             }
         };
-        Assert.assertEquals(RpcClientStatus.INITIALIZED, client2.rpcClientStatus.get());
+        assertEquals(RpcClientStatus.INITIALIZED, client2.rpcClientStatus.get());
     }
     
     @Test
     public void testLabels() {
-        rpcClient.labels(Collections.singletonMap("labelKey1", "labelValue1"));
+        when(rpcClientConfig.labels()).thenReturn(Collections.singletonMap("labelKey1", "labelValue1"));
         Map.Entry<String, String> element = rpcClient.getLabels().entrySet().iterator().next();
-        Assert.assertEquals("labelKey1", element.getKey());
-        Assert.assertEquals("labelValue1", element.getValue());
+        assertEquals("labelKey1", element.getKey());
+        assertEquals("labelValue1", element.getValue());
         
         // accumulate labels
-        rpcClient.labels(Collections.singletonMap("labelKey2", "labelValue2"));
-        Assert.assertEquals(2, rpcClient.getLabels().size());
-    }
-    
-    @Test
-    public void testKeepAlive() throws IllegalAccessException {
-        rpcClient.keepAlive(1, TimeUnit.SECONDS);
-        long keepAliveTime = (long) keepAliveTimeField.get(rpcClient);
-        Assert.assertEquals(1000L, keepAliveTime);
-        
-        rpcClient.keepAlive(1, TimeUnit.MINUTES);
-        keepAliveTime = (long) keepAliveTimeField.get(rpcClient);
-        Assert.assertEquals(60000L, keepAliveTime);
+        Map<String, String> map = new HashMap<>();
+        map.put("labelKey2", "labelValue2");
+        when(rpcClientConfig.labels()).thenReturn(map);
+        assertEquals(1, rpcClient.getLabels().size());
     }
     
     @Test
@@ -221,7 +273,7 @@ public class RpcClientTest {
         rpcClient.onServerListChange();
         
         int afterSize = ((Queue<?>) reconnectionSignalField.get(rpcClient)).size();
-        Assert.assertEquals(beforeSize, afterSize);
+        assertEquals(beforeSize, afterSize);
     }
     
     @Test
@@ -232,7 +284,7 @@ public class RpcClientTest {
         rpcClient.onServerListChange();
         
         int afterSize = ((Queue<?>) reconnectionSignalField.get(rpcClient)).size();
-        Assert.assertEquals(beforeSize, afterSize);
+        assertEquals(beforeSize, afterSize);
     }
     
     @Test
@@ -242,11 +294,11 @@ public class RpcClientTest {
         rpcClient.serverListFactory(serverListFactory);
         rpcClient.currentConnection = new GrpcConnection(new RpcClient.ServerInfo("10.10.10.10", 8848), null);
         doReturn(Collections.singletonList("")).when(serverListFactory).getServerList();
-        
+        when(serverListFactory.getServerList()).thenReturn(Collections.singletonList("127.0.0.1"));
         rpcClient.onServerListChange();
         
         int afterSize = ((Queue<?>) reconnectionSignalField.get(rpcClient)).size();
-        Assert.assertEquals(beforeSize + 1, afterSize);
+        assertEquals(beforeSize + 1, afterSize);
     }
     
     @Test
@@ -255,35 +307,35 @@ public class RpcClientTest {
         rpcClient.serverListFactory(serverListFactory);
         rpcClient.currentConnection = new GrpcConnection(new RpcClient.ServerInfo("10.10.10.10", 8848), null);
         doReturn(Collections.singletonList("http://10.10.10.10:8848")).when(serverListFactory).getServerList();
-        
         rpcClient.onServerListChange();
         
         int afterSize = ((Queue<?>) reconnectionSignalField.get(rpcClient)).size();
-        Assert.assertEquals(beforeSize, afterSize);
+        assertEquals(beforeSize, afterSize);
     }
     
     @Test
     public void testResolveServerInfo1() throws InvocationTargetException, IllegalAccessException {
-        Assert.assertEquals(":8848",
-                ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient, "")).getAddress());
-        Assert.assertEquals("10.10.10.10:8848",
+        assertEquals("10.10.10.10:8848",
                 ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient, "10.10.10.10::8848")).getAddress());
-        Assert.assertEquals("10.10.10.10:8848",
+        assertEquals("10.10.10.10:8848",
                 ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient, "10.10.10.10:8848")).getAddress());
-        Assert.assertEquals("10.10.10.10:8848", ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient,
-                "http://10.10.10.10:8848")).getAddress());
-        Assert.assertEquals("10.10.10.10:8848", ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient,
-                "http://10.10.10.10::8848")).getAddress());
-        Assert.assertEquals("10.10.10.10:8848",
+        assertEquals("10.10.10.10:8848",
+                ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient, "http://10.10.10.10:8848"))
+                        .getAddress());
+        assertEquals("10.10.10.10:8848",
+                ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient, "http://10.10.10.10::8848"))
+                        .getAddress());
+        assertEquals("10.10.10.10:8848",
                 ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient, "http://10.10.10.10")).getAddress());
-        Assert.assertEquals("10.10.10.10:8848", ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient,
-                "https://10.10.10.10::8848")).getAddress());
+        assertEquals("10.10.10.10:8848",
+                ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient, "https://10.10.10.10::8848"))
+                        .getAddress());
     }
     
     @Test
     public void testResolveServerInfo2() throws InvocationTargetException, IllegalAccessException {
         System.setProperty("nacos.server.port", "4424");
-        Assert.assertEquals("10.10.10.10:4424",
+        assertEquals("10.10.10.10:4424",
                 ((RpcClient.ServerInfo) resolveServerInfoMethod.invoke(rpcClient, "http://10.10.10.10")).getAddress());
     }
     
@@ -308,7 +360,7 @@ public class RpcClientTest {
         rpcClient.rpcClientStatus.set(RpcClientStatus.RUNNING);
         rpcClient.currentConnection = connection;
         doReturn(new ErrorResponse()).when(connection).request(any(), anyLong());
-    
+        
         rpcClient.request(null, 10000);
     }
     
@@ -327,7 +379,7 @@ public class RpcClientTest {
             exception = e;
         }
         
-        Assert.assertEquals(RpcClientStatus.UNHEALTHY, rpcClient.rpcClientStatus.get());
+        assertEquals(RpcClientStatus.UNHEALTHY, rpcClient.rpcClientStatus.get());
         verify(rpcClient).switchServerAsync();
         Assert.assertNotNull(exception);
     }
@@ -349,7 +401,7 @@ public class RpcClientTest {
         RequestCallBack<?> requestCallBack = mock(RequestCallBack.class);
         doReturn(10000L).when(requestCallBack).getTimeout();
         Exception exception = null;
-    
+        
         try {
             rpcClient.asyncRequest(null, requestCallBack);
         } catch (NacosException e) {
@@ -359,7 +411,7 @@ public class RpcClientTest {
         verify(connection, atLeastOnce()).asyncRequest(any(), any());
         verify(rpcClient).switchServerAsyncOnRequestFail();
         Assert.assertNotNull(exception);
-        Assert.assertEquals(RpcClientStatus.UNHEALTHY, rpcClient.rpcClientStatus.get());
+        assertEquals(RpcClientStatus.UNHEALTHY, rpcClient.rpcClientStatus.get());
     }
     
     @Test(expected = NacosException.class)
@@ -370,9 +422,10 @@ public class RpcClientTest {
     }
     
     @Test
-    public void testRequestFutureWhenRetryReachMaxRetryTimesThenSwitchServer() throws NacosException, IllegalAccessException {
-        timeoutMillsField.set(rpcClient, 5000L);
-        retryTimesField.set(rpcClient, 3);
+    public void testRequestFutureWhenRetryReachMaxRetryTimesThenSwitchServer()
+            throws NacosException, IllegalAccessException {
+        when(rpcClientConfig.timeOutMills()).thenReturn(5000L);
+        when(rpcClientConfig.retryTimes()).thenReturn(3);
         rpcClient.rpcClientStatus.set(RpcClientStatus.RUNNING);
         rpcClient.currentConnection = connection;
         doThrow(NacosException.class).when(connection).requestFuture(any());
@@ -387,22 +440,57 @@ public class RpcClientTest {
         verify(connection, times(3)).requestFuture(any());
         verify(rpcClient).switchServerAsyncOnRequestFail();
         Assert.assertNotNull(exception);
-        Assert.assertEquals(RpcClientStatus.UNHEALTHY, rpcClient.rpcClientStatus.get());
+        assertEquals(RpcClientStatus.UNHEALTHY, rpcClient.rpcClientStatus.get());
     }
     
     @Test
     public void testRpcClientShutdownWhenClientDidntStart() throws NacosException {
-        RpcClient rpcClient = new RpcClient("test-client") {
+        RpcClient rpcClient = new RpcClient(new RpcClientConfig() {
+            @Override
+            public String name() {
+                return "test-client";
+            }
+            
+            @Override
+            public int retryTimes() {
+                return 3;
+            }
+            
+            @Override
+            public long timeOutMills() {
+                return 3000L;
+            }
+            
+            @Override
+            public long connectionKeepAlive() {
+                return 5000L;
+            }
+            
+            @Override
+            public int healthCheckRetryTimes() {
+                return 1;
+            }
+            
+            @Override
+            public long healthCheckTimeOut() {
+                return 3000L;
+            }
+            
+            @Override
+            public Map<String, String> labels() {
+                return new HashMap<>();
+            }
+        }) {
             @Override
             public ConnectionType getConnectionType() {
                 return null;
             }
-    
+            
             @Override
             public int rpcPortOffset() {
                 return 0;
             }
-    
+            
             @Override
             public Connection connectToServer(ServerInfo serverInfo) throws Exception {
                 return null;
@@ -411,4 +499,140 @@ public class RpcClientTest {
         
         rpcClient.shutdown();
     }
-}
+    
+    @Test
+    public void testHealthCheck() throws IllegalAccessException, NacosException {
+        Random random = new Random();
+        int retry = random.nextInt(10);
+        when(rpcClientConfig.healthCheckRetryTimes()).thenReturn(retry);
+        rpcClient.rpcClientStatus.set(RpcClientStatus.RUNNING);
+        rpcClient.currentConnection = connection;
+        doThrow(new NacosException()).when(connection).request(any(), anyLong());
+        try {
+            healthCheck.invoke(rpcClient);
+        } catch (InvocationTargetException e) {
+            e.printStackTrace();
+        }
+        verify(connection, times(retry + 1)).request(any(), anyLong());
+    }
+    
+    @Test
+    public void testNextRpcServerForIpv4WithPort() {
+        RpcClient rpcClient = buildTestNextRpcServerClient();
+        rpcClient.serverListFactory(serverListFactory);
+        when(serverListFactory.genNextServer()).thenReturn("127.0.0.1:7777");
+        RpcClient.ServerInfo actual = rpcClient.nextRpcServer();
+        assertEquals("127.0.0.1:7777", actual.getAddress());
+        assertEquals("127.0.0.1", actual.getServerIp());
+        assertEquals(7777, actual.getServerPort());
+    }
+    
+    @Test
+    public void testNextRpcServerForIpv4WithoutPort() {
+        RpcClient rpcClient = buildTestNextRpcServerClient();
+        rpcClient.serverListFactory(serverListFactory);
+        when(serverListFactory.genNextServer()).thenReturn("127.0.0.1");
+        RpcClient.ServerInfo actual = rpcClient.nextRpcServer();
+        assertEquals("127.0.0.1:8848", actual.getAddress());
+        assertEquals("127.0.0.1", actual.getServerIp());
+        assertEquals(8848, actual.getServerPort());
+    }
+    
+    @Test
+    public void testNextRpcServerForIpv6WithPort() {
+        RpcClient rpcClient = buildTestNextRpcServerClient();
+        rpcClient.serverListFactory(serverListFactory);
+        when(serverListFactory.genNextServer()).thenReturn("[fe80::35ba:6827:c5ff:d161%11]:7777");
+        RpcClient.ServerInfo actual = rpcClient.nextRpcServer();
+        assertEquals("[fe80::35ba:6827:c5ff:d161%11]:7777", actual.getAddress());
+        assertEquals("[fe80::35ba:6827:c5ff:d161%11]", actual.getServerIp());
+        assertEquals(7777, actual.getServerPort());
+    }
+    
+    @Test
+    public void testNextRpcServerForIpv6WithoutPort() {
+        RpcClient rpcClient = buildTestNextRpcServerClient();
+        rpcClient.serverListFactory(serverListFactory);
+        when(serverListFactory.genNextServer()).thenReturn("[fe80::35ba:6827:c5ff:d161%11]");
+        RpcClient.ServerInfo actual = rpcClient.nextRpcServer();
+        assertEquals("[fe80::35ba:6827:c5ff:d161%11]:8848", actual.getAddress());
+        assertEquals("[fe80::35ba:6827:c5ff:d161%11]", actual.getServerIp());
+        assertEquals(8848, actual.getServerPort());
+    }
+    
+    @Test
+    public void testNextRpcServerForDomainWithPort() {
+        RpcClient rpcClient = buildTestNextRpcServerClient();
+        rpcClient.serverListFactory(serverListFactory);
+        when(serverListFactory.genNextServer()).thenReturn("nacos.io:7777");
+        RpcClient.ServerInfo actual = rpcClient.nextRpcServer();
+        assertEquals("nacos.io:7777", actual.getAddress());
+        assertEquals("nacos.io", actual.getServerIp());
+        assertEquals(7777, actual.getServerPort());
+    }
+    
+    @Test
+    public void testNextRpcServerForDomainWithoutPort() {
+        RpcClient rpcClient = buildTestNextRpcServerClient();
+        rpcClient.serverListFactory(serverListFactory);
+        when(serverListFactory.genNextServer()).thenReturn("nacos.io");
+        RpcClient.ServerInfo actual = rpcClient.nextRpcServer();
+        assertEquals("nacos.io:8848", actual.getAddress());
+        assertEquals("nacos.io", actual.getServerIp());
+        assertEquals(8848, actual.getServerPort());
+    }
+    
+    @Test
+    public void testNextRpcServerForLocalhostWithPort() {
+        RpcClient rpcClient = buildTestNextRpcServerClient();
+        rpcClient.serverListFactory(serverListFactory);
+        when(serverListFactory.genNextServer()).thenReturn("localhost:7777");
+        RpcClient.ServerInfo actual = rpcClient.nextRpcServer();
+        assertEquals("localhost:7777", actual.getAddress());
+        assertEquals("localhost", actual.getServerIp());
+        assertEquals(7777, actual.getServerPort());
+    }
+    
+    @Test
+    public void testNextRpcServerForLocalhostWithoutPort() {
+        RpcClient rpcClient = buildTestNextRpcServerClient();
+        rpcClient.serverListFactory(serverListFactory);
+        when(serverListFactory.genNextServer()).thenReturn("localhost");
+        RpcClient.ServerInfo actual = rpcClient.nextRpcServer();
+        assertEquals("localhost:8848", actual.getAddress());
+        assertEquals("localhost", actual.getServerIp());
+        assertEquals(8848, actual.getServerPort());
+    }
+    
+    @Test(expected = IllegalArgumentException.class)
+    public void testNextRpcServerForEmpty() {
+        RpcClient rpcClient = buildTestNextRpcServerClient();
+        rpcClient.serverListFactory(serverListFactory);
+        when(serverListFactory.genNextServer()).thenReturn("");
+        rpcClient.nextRpcServer();
+    }
+    
+    private RpcClient buildTestNextRpcServerClient() {
+        return new RpcClient(DefaultGrpcClientConfig.newBuilder().build()) {
+            @Override
+            public ConnectionType getConnectionType() {
+                return null;
+            }
+            
+            @Override
+            public int rpcPortOffset() {
+                return 0;
+            }
+            
+            @Override
+            public Connection connectToServer(ServerInfo serverInfo) throws Exception {
+                return null;
+            }
+            
+            @Override
+            public ServerInfo nextRpcServer() {
+                return super.nextRpcServer();
+            }
+        };
+    }
+}

common/src/test/java/com/alibaba/nacos/common/remote/client/grpc/GrpcClientTest.java

@@ -33,38 +33,41 @@ import static org.mockito.Mockito.spy;
 
 @RunWith(MockitoJUnitRunner.class)
 public class GrpcClientTest {
-
+    
     GrpcClient grpcClient;
-
+    
     Method createNewManagedChannelMethod;
-
+    
     Method createNewChannelStubMethod;
-
+    
     ManagedChannel managedChannel;
-
+    
     RpcClient.ServerInfo serverInfo;
-
+    
     @Before
     public void setUp() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
-        grpcClient = spy(new GrpcClient("testClient") {
+        GrpcClientConfig clientConfig = DefaultGrpcClientConfig.newBuilder().setName("testClient").build();
+        grpcClient = spy(new GrpcClient(clientConfig) {
             @Override
             public int rpcPortOffset() {
                 return 1000;
             }
         });
         RpcClient.ServerInfo serverInfo = spy(new RpcClient.ServerInfo("10.10.10.10", 8848));
-        createNewManagedChannelMethod = GrpcClient.class.getDeclaredMethod("createNewManagedChannel", String.class, int.class);
+        createNewManagedChannelMethod = GrpcClient.class.getDeclaredMethod("createNewManagedChannel", String.class,
+                int.class);
         createNewManagedChannelMethod.setAccessible(true);
         int port = serverInfo.getServerPort() + grpcClient.rpcPortOffset();
-        managedChannel = (ManagedChannel) createNewManagedChannelMethod.invoke(grpcClient, serverInfo.getServerIp(), port);
+        managedChannel = (ManagedChannel) createNewManagedChannelMethod.invoke(grpcClient, serverInfo.getServerIp(),
+                port);
     }
-
+    
     @Test
     public void testCreateNewManagedChannel() throws InvocationTargetException, IllegalAccessException {
         GrpcConnection grpcConnection = new GrpcConnection(serverInfo, null);
         grpcConnection.setChannel(managedChannel);
     }
-
+    
     @Test
     public void createNewChannelStub() throws InvocationTargetException, IllegalAccessException, NoSuchMethodException {
         createNewChannelStubMethod = GrpcClient.class.getDeclaredMethod("createNewChannelStub", ManagedChannel.class);
@@ -72,10 +75,10 @@ public class GrpcClientTest {
         Object invoke = createNewChannelStubMethod.invoke(grpcClient, managedChannel);
         Assert.assertTrue(invoke instanceof RequestGrpc.RequestFutureStub);
     }
-
+    
     @After
     public void close() {
         managedChannel.shutdownNow();
     }
-
+    
 }

common/src/test/java/com/alibaba/nacos/common/remote/client/grpc/GrpcConstantsTest.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 1999-2020 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.common.remote.client.grpc;
+
+import org.junit.Test;
+
+import java.lang.reflect.Field;
+
+import static org.junit.Assert.assertEquals;
+
+public class GrpcConstantsTest {
+    
+    @Test
+    public void testGetRpcParams() {
+        Class clazz = GrpcConstants.class;
+        Field[] declaredFields = clazz.getDeclaredFields();
+        int i = 0;
+        for (Field declaredField : declaredFields) {
+            declaredField.setAccessible(true);
+            if (declaredField.getType().equals(String.class) && null != declaredField.getAnnotation(
+                    GrpcConstants.GRpcConfigLabel.class)) {
+                i++;
+            }
+        }
+        assertEquals(i, GrpcConstants.getRpcParams().size());
+    }
+}

common/src/test/java/com/alibaba/nacos/common/utils/ConcurrentHashSetTest.java

@@ -17,12 +17,12 @@
 package com.alibaba.nacos.common.utils;
 
 import org.junit.Assert;
-import org.junit.Before;
 import org.junit.Test;
 import java.util.ConcurrentModificationException;
 import java.util.HashSet;
 import java.util.Random;
 import java.util.Set;
+import java.util.concurrent.TimeUnit;
 
 /**
  * ConcurrentHashSet Test.
@@ -32,108 +32,200 @@ import java.util.Set;
  */
 public class ConcurrentHashSetTest {
     
-    Set<Integer> concurrentHashSet;
-
-    @Before
-    public void setUp() {
-        concurrentHashSet = new ConcurrentHashSet<>();
-        concurrentHashSet.add(1);
-        concurrentHashSet.add(2);
-        concurrentHashSet.add(3);
-        concurrentHashSet.add(4);
-        concurrentHashSet.add(5);
+    @Test
+    public void testBasicOps() {
+        Set<Integer> set = new ConcurrentHashSet<>();
+        
+        // addition
+        Assert.assertTrue(set.add(0));
+        Assert.assertTrue(set.add(1));
+        Assert.assertTrue(set.contains(0));
+        Assert.assertTrue(set.contains(1));
+        Assert.assertFalse(set.contains(-1));
+        Assert.assertEquals(2, set.size());
+        
+        // iter
+        for (int i : set) {
+            Assert.assertTrue(i == 0 || i == 1);
+        }
+        
+        // removal
+        Assert.assertTrue(set.remove(0));
+        Assert.assertFalse(set.remove(0));
+        Assert.assertFalse(set.contains(0));
+        Assert.assertTrue(set.contains(1));
+        Assert.assertEquals(1, set.size());
+    
+        // clear
+        Assert.assertFalse(set.isEmpty());
+        set.clear();
+        Assert.assertEquals(0, set.size());
+        Assert.assertTrue(set.isEmpty());
+    }
+    
+    @Test
+    public void testMultiThread() throws Exception {
+        int count = 5;
+        SetMultiThreadChecker hashSetChecker = new SetMultiThreadChecker(new HashSet<>());
+        hashSetChecker.start();
+        while (!hashSetChecker.hasConcurrentError() && hashSetChecker.isRunning()) {
+            TimeUnit.SECONDS.sleep(1);
+            if (count <= 0) {
+                hashSetChecker.stop();
+            }
+            count--;
+        }
+        Assert.assertTrue(hashSetChecker.hasConcurrentError());
+    
+        count = 5;
+        SetMultiThreadChecker concurrentSetChecker = new SetMultiThreadChecker(new ConcurrentHashSet<>());
+        concurrentSetChecker.start();
+        while (!concurrentSetChecker.hasConcurrentError() && concurrentSetChecker.isRunning()) {
+            TimeUnit.SECONDS.sleep(1);
+            if (count == 0) {
+                concurrentSetChecker.stop();
+            }
+            count--;
+        }
+        Assert.assertFalse(concurrentSetChecker.hasConcurrentError());
+    }
+    
+    static class SetMultiThreadChecker {
+    
+        private final AddDataThread addThread;
+        
+        private final DeleteDataThread deleteThread;
+    
+        private final IteratorThread iteratorThread;
+    
+        public SetMultiThreadChecker(Set<Integer> setToCheck) {
+            for (int i = 0; i < 1000; i++) {
+                setToCheck.add(i);
+            }
+            this.addThread = new AddDataThread(setToCheck);
+            this.deleteThread = new DeleteDataThread(setToCheck);
+            this.iteratorThread = new IteratorThread(setToCheck);
+        }
+        
+        public void start() {
+            new Thread(addThread).start();
+            new Thread(deleteThread).start();
+            new Thread(iteratorThread).start();
+        }
+        
+        public boolean hasConcurrentError() {
+            return addThread.hasConcurrentError() || deleteThread.hasConcurrentError() || iteratorThread.hasConcurrentError();
+        }
+        
+        public boolean isRunning() {
+            return addThread.isRunning() || deleteThread.isRunning() || iteratorThread.isRunning();
+        }
+    
+        public void stop() {
+            addThread.stop();
+            deleteThread.stop();
+            iteratorThread.stop();
+        }
         
     }
     
-    @Test
-    public void size() {
-        Assert.assertEquals(concurrentHashSet.size(), 5);
-    }
+    abstract static class ConcurrentCheckThread implements Runnable {
     
-    @Test
-    public void contains() {
-        Assert.assertTrue(concurrentHashSet.contains(1));
-    }
+        protected final Set<Integer> hashSet;
     
-    @Test
-    public void testMultithreaded() {
-        try {
-            concurrentHashSet = new HashSet<>();
-            executeThread();
-        } catch (Exception e) {
-            Assert.assertTrue(e instanceof ConcurrentModificationException);
+        protected boolean concurrentError = false;
+        
+        protected boolean finish = false;
+    
+        public ConcurrentCheckThread(Set<Integer> hashSet) {
+            this.hashSet = hashSet;
+        }
+    
+        public boolean hasConcurrentError() {
+            return concurrentError;
         }
         
-        try {
-            concurrentHashSet = new ConcurrentHashSet<>();
-            executeThread();
-        } catch (Exception e) {
-            Assert.assertNull(e);
-        }
-    }
-    
-    /**
-     * execute muti thread.
-     */
-    public void executeThread() throws Exception {
-        for (int i = 0; i < 1000; i++) {
-            concurrentHashSet.add(i);
+        public void stop() {
+            finish = true;
         }
     
-        new Thread(new AddDataThread(concurrentHashSet)).start();
-        new Thread(new DeleteDataThread(concurrentHashSet)).start();
-        new Thread(new IteratorThread(concurrentHashSet)).start();
+        public boolean isRunning() {
+            return !finish;
+        }
+    
+        @Override
+        public void run() {
+            try {
+                while (isRunning()) {
+                    process();
+                }
+            } catch (ConcurrentModificationException e) {
+                concurrentError = true;
+            } finally {
+                finish = true;
+            }
+        }
+    
+        protected abstract void process();
     }
     
     //add data thread
-    static class AddDataThread implements Runnable {
-        Set<Integer> hashSet;
+    static class AddDataThread extends ConcurrentCheckThread implements Runnable {
     
         public AddDataThread(Set<Integer> hashSet) {
-            this.hashSet = hashSet;
+            super(hashSet);
         }
     
         @Override
-        public void run() {
-            while (true) {
-                int random = new Random().nextInt();
-                hashSet.add(random);
-            }
+        protected void process() {
+            int random = new Random().nextInt(1000);
+            hashSet.add(random);
         }
+        
     }
     
     // delete data thread
-    static class DeleteDataThread implements Runnable {
-        Set<Integer> hashSet;
+    static class DeleteDataThread extends ConcurrentCheckThread implements Runnable {
     
         public DeleteDataThread(Set<Integer> hashSet) {
-            this.hashSet = hashSet;
+            super(hashSet);
         }
     
         @Override
-        public void run() {
+        protected void process() {
             int random = new Random().nextInt(1000);
-            while (true) {
-                hashSet.remove(random);
-            }
+            hashSet.remove(random);
         }
+        
     }
     
-    static class IteratorThread implements Runnable {
-    
-        Set<Integer> hashSet;
+    static class IteratorThread extends ConcurrentCheckThread implements Runnable {
     
         public IteratorThread(Set<Integer> hashSet) {
-            this.hashSet = hashSet;
+            super(hashSet);
         }
     
         @Override
         public void run() {
             System.out.println("start -- hashSet.size() : " + hashSet.size());
-            for (Integer str : hashSet) {
-                System.out.println("value : " + str);
+            Integer f = null;
+            try {
+                while (isRunning()) {
+                    for (Integer i : hashSet) {
+                        f = i;
+                    }
+                }
+            } catch (ConcurrentModificationException e) {
+                concurrentError = true;
+            } finally {
+                finish = true;
             }
+            System.out.println("finished at " + f);
             System.out.println("end -- hashSet.size() : " + hashSet.size());
         }
+    
+        @Override
+        protected void process() {
+        }
     }
 }

common/src/test/java/com/alibaba/nacos/common/utils/JacksonUtilsTest.java

@@ -23,6 +23,7 @@ import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.core.type.TypeReference;
@@ -474,6 +475,7 @@ public class JacksonUtilsTest {
         Assert.assertEquals(999, restResult.getData().get("integer"));
     }
     
+    @JsonPropertyOrder({ "aLong", "aInteger", "aBoolean"})
     static class TestOfAtomicObject {
         
         public AtomicLong aLong = new AtomicLong(0);
@@ -558,6 +560,7 @@ public class JacksonUtilsTest {
         }
     }
     
+    @JsonPropertyOrder({ "value", "key" })
     static class TestOfGetter {
         
         public String getKey() {
@@ -749,4 +752,4 @@ public class JacksonUtilsTest {
             return result;
         }
     }
-}
+}

config/pom.xml

@@ -117,6 +117,10 @@
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.alibaba.nacos</groupId>
+            <artifactId>nacos-datasource-plugin</artifactId>
+        </dependency>
     </dependencies>
     <build>
         <plugins>

config/src/main/java/com/alibaba/nacos/config/server/constant/Constants.java

@@ -37,6 +37,11 @@ public class Constants {
      */
     public static final String BASE_DIR = "config-data";
     
+    /**
+     * The derby base dir.
+     */
+    public static final String DERBY_BASE_DIR = "derby-data";
+    
     /**
      * Back up file directory in server side.
      *
@@ -111,6 +116,8 @@ public class Constants {
     
     public static final String BASE_PATH = "/v1/cs";
     
+    public static final String BASE_V2_PATH = "/v2/cs";
+    
     public static final String OPS_CONTROLLER_PATH = BASE_PATH + "/ops";
     
     public static final String CAPACITY_CONTROLLER_PATH = BASE_PATH + "/capacity";
@@ -119,10 +126,14 @@ public class Constants {
     
     public static final String CONFIG_CONTROLLER_PATH = BASE_PATH + "/configs";
     
+    public static final String CONFIG_CONTROLLER_V2_PATH = BASE_V2_PATH + "/config";
+    
     public static final String HEALTH_CONTROLLER_PATH = BASE_PATH + "/health";
     
     public static final String HISTORY_CONTROLLER_PATH = BASE_PATH + "/history";
     
+    public static final String HISTORY_CONTROLLER_V2_PATH = BASE_V2_PATH + "/history";
+    
     public static final String LISTENER_CONTROLLER_PATH = BASE_PATH + "/listener";
     
     public static final String NAMESPACE_CONTROLLER_PATH = BASE_PATH + "/namespaces";

config/src/main/java/com/alibaba/nacos/config/server/controller/ConfigController.java

@@ -22,7 +22,6 @@ import com.alibaba.nacos.auth.annotation.Secured;
 import com.alibaba.nacos.common.model.RestResult;
 import com.alibaba.nacos.common.model.RestResultUtils;
 import com.alibaba.nacos.common.utils.DateFormatUtils;
-import com.alibaba.nacos.common.utils.MapUtil;
 import com.alibaba.nacos.common.utils.NamespaceUtil;
 import com.alibaba.nacos.common.utils.Pair;
 import com.alibaba.nacos.common.utils.StringUtils;
@@ -38,10 +37,12 @@ import com.alibaba.nacos.config.server.model.Page;
 import com.alibaba.nacos.config.server.model.SameConfigPolicy;
 import com.alibaba.nacos.config.server.model.SampleResult;
 import com.alibaba.nacos.config.server.model.event.ConfigDataChangeEvent;
+import com.alibaba.nacos.config.server.model.ConfigRequestInfo;
+import com.alibaba.nacos.config.server.model.form.ConfigForm;
 import com.alibaba.nacos.config.server.monitor.MetricsMonitor;
 import com.alibaba.nacos.config.server.result.code.ResultCodeEnum;
-import com.alibaba.nacos.config.server.service.AggrWhitelist;
 import com.alibaba.nacos.config.server.service.ConfigChangePublisher;
+import com.alibaba.nacos.config.server.service.ConfigOperationService;
 import com.alibaba.nacos.config.server.service.ConfigSubService;
 import com.alibaba.nacos.config.server.service.repository.PersistService;
 import com.alibaba.nacos.config.server.service.trace.ConfigTraceService;
@@ -108,12 +109,15 @@ public class ConfigController {
     
     private final PersistService persistService;
     
+    private final ConfigOperationService configOperationService;
+    
     private final ConfigSubService configSubService;
     
-    public ConfigController(ConfigServletInner inner, PersistService persistService,
+    public ConfigController(ConfigServletInner inner, PersistService persistService, ConfigOperationService configOperationService,
             ConfigSubService configSubService) {
         this.inner = inner;
         this.persistService = persistService;
+        this.configOperationService = configOperationService;
         this.configSubService = configSubService;
     }
     
@@ -142,16 +146,6 @@ public class ConfigController {
             @RequestParam(value = "type", required = false) String type,
             @RequestParam(value = "schema", required = false) String schema) throws NacosException {
         
-        final String srcIp = RequestUtil.getRemoteIp(request);
-        final String requestIpApp = RequestUtil.getAppName(request);
-        if (StringUtils.isBlank(srcUser)) {
-            srcUser = RequestUtil.getSrcUserName(request);
-        }
-        //check type
-        if (!ConfigType.isValidType(type)) {
-            type = ConfigType.getDefaultType().getType();
-        }
-        
         // encrypted
         Pair<String, String> pair = EncryptionHandler.encryptHandler(dataId, content);
         content = pair.getSecond();
@@ -160,47 +154,37 @@ public class ConfigController {
         ParamUtils.checkTenant(tenant);
         ParamUtils.checkParam(dataId, group, "datumId", content);
         ParamUtils.checkParam(tag);
-        Map<String, Object> configAdvanceInfo = new HashMap<>(10);
-        MapUtil.putIfValNoNull(configAdvanceInfo, "config_tags", configTags);
-        MapUtil.putIfValNoNull(configAdvanceInfo, "desc", desc);
-        MapUtil.putIfValNoNull(configAdvanceInfo, "use", use);
-        MapUtil.putIfValNoNull(configAdvanceInfo, "effect", effect);
-        MapUtil.putIfValNoNull(configAdvanceInfo, "type", type);
-        MapUtil.putIfValNoNull(configAdvanceInfo, "schema", schema);
-        ParamUtils.checkParam(configAdvanceInfo);
-        
-        if (AggrWhitelist.isAggrDataId(dataId)) {
-            LOGGER.warn("[aggr-conflict] {} attempt to publish single data, {}, {}", RequestUtil.getRemoteIp(request),
-                    dataId, group);
-            throw new NacosException(NacosException.NO_RIGHT, "dataId:" + dataId + " is aggr");
+    
+        ConfigForm configForm = new ConfigForm();
+        configForm.setDataId(dataId);
+        configForm.setGroup(group);
+        configForm.setNamespaceId(tenant);
+        configForm.setContent(content);
+        configForm.setTag(tag);
+        configForm.setAppName(appName);
+        configForm.setSrcUser(srcUser);
+        configForm.setConfigTags(configTags);
+        configForm.setDesc(desc);
+        configForm.setUse(use);
+        configForm.setEffect(effect);
+        configForm.setType(type);
+        configForm.setSchema(schema);
+    
+        if (StringUtils.isBlank(srcUser)) {
+            configForm.setSrcUser(RequestUtil.getSrcUserName(request));
         }
-        
-        final Timestamp time = TimeUtils.getCurrentTime();
-        String betaIps = request.getHeader("betaIps");
-        ConfigInfo configInfo = new ConfigInfo(dataId, group, tenant, appName, content);
-        configInfo.setType(type);
+        if (!ConfigType.isValidType(type)) {
+            configForm.setType(ConfigType.getDefaultType().getType());
+        }
+    
+        ConfigRequestInfo configRequestInfo = new ConfigRequestInfo();
+        configRequestInfo.setSrcIp(RequestUtil.getRemoteIp(request));
+        configRequestInfo.setRequestIpApp(RequestUtil.getAppName(request));
+        configRequestInfo.setBetaIps(request.getHeader("betaIps"));
+    
         String encryptedDataKey = pair.getFirst();
-        configInfo.setEncryptedDataKey(encryptedDataKey);
-        if (StringUtils.isBlank(betaIps)) {
-            if (StringUtils.isBlank(tag)) {
-                persistService.insertOrUpdate(srcIp, srcUser, configInfo, time, configAdvanceInfo, false);
-                ConfigChangePublisher.notifyConfigChange(
-                        new ConfigDataChangeEvent(false, dataId, group, tenant, time.getTime()));
-            } else {
-                persistService.insertOrUpdateTag(configInfo, tag, srcIp, srcUser, time, false);
-                ConfigChangePublisher.notifyConfigChange(
-                        new ConfigDataChangeEvent(false, dataId, group, tenant, tag, time.getTime()));
-            }
-        } else {
-            // beta publish
-            configInfo.setEncryptedDataKey(encryptedDataKey);
-            persistService.insertOrUpdateBeta(configInfo, betaIps, srcIp, srcUser, time, false);
-            ConfigChangePublisher.notifyConfigChange(
-                    new ConfigDataChangeEvent(true, dataId, group, tenant, time.getTime()));
-        }
-        ConfigTraceService.logPersistenceEvent(dataId, group, tenant, requestIpApp, time.getTime(),
-                InetUtils.getSelfIP(), ConfigTraceService.PERSISTENCE_EVENT_PUB, content);
-        return true;
+       
+        return configOperationService.publishConfig(configForm, configRequestInfo, encryptedDataKey);
     }
     
     /**
@@ -276,19 +260,11 @@ public class ConfigController {
         ParamUtils.checkTenant(tenant);
         ParamUtils.checkParam(dataId, group, "datumId", "rm");
         ParamUtils.checkParam(tag);
+    
         String clientIp = RequestUtil.getRemoteIp(request);
         String srcUser = RequestUtil.getSrcUserName(request);
-        if (StringUtils.isBlank(tag)) {
-            persistService.removeConfigInfo(dataId, group, tenant, clientIp, srcUser);
-        } else {
-            persistService.removeConfigInfoTag(dataId, group, tenant, tag, clientIp, srcUser);
-        }
-        final Timestamp time = TimeUtils.getCurrentTime();
-        ConfigTraceService.logPersistenceEvent(dataId, group, tenant, null, time.getTime(), clientIp,
-                ConfigTraceService.PERSISTENCE_EVENT_REMOVE, null);
-        ConfigChangePublisher.notifyConfigChange(
-                new ConfigDataChangeEvent(false, dataId, group, tenant, tag, time.getTime()));
-        return true;
+        
+        return configOperationService.deleteConfig(dataId, group, tenant, tag, clientIp, srcUser);
     }
     
     /**
@@ -475,10 +451,10 @@ public class ConfigController {
                 Pair<String, String> pair = EncryptionHandler.decryptHandler(dataId, encryptedDataKey, ci.getContent());
                 ci.setContent(pair.getSecond());
             }
-            return RestResultUtils.success("stop beta ok", ci);
+            return RestResultUtils.success("query beta ok", ci);
         } catch (Throwable e) {
-            LOGGER.error("remove beta data error", e);
-            return RestResultUtils.failed("remove beta data error");
+            LOGGER.error("query beta data error", e);
+            return RestResultUtils.failed("query beta data error");
         }
     }
     

config/src/main/java/com/alibaba/nacos/config/server/controller/ConfigServletInner.java

@@ -16,10 +16,14 @@
 
 package com.alibaba.nacos.config.server.controller;
 
+import com.alibaba.nacos.api.model.v2.ErrorCode;
+import com.alibaba.nacos.api.model.v2.Result;
 import com.alibaba.nacos.common.constant.HttpHeaderConsts;
+import com.alibaba.nacos.common.http.param.MediaType;
 import com.alibaba.nacos.common.utils.IoUtils;
-import com.alibaba.nacos.common.utils.StringUtils;
+import com.alibaba.nacos.common.utils.JacksonUtils;
 import com.alibaba.nacos.common.utils.Pair;
+import com.alibaba.nacos.common.utils.StringUtils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.enums.FileTypeEnum;
 import com.alibaba.nacos.config.server.model.CacheItem;
@@ -37,6 +41,8 @@ import com.alibaba.nacos.config.server.utils.Protocol;
 import com.alibaba.nacos.config.server.utils.RequestUtil;
 import com.alibaba.nacos.config.server.utils.TimeUtils;
 import com.alibaba.nacos.plugin.encryption.handler.EncryptionHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 
 import javax.servlet.ServletException;
@@ -65,6 +71,8 @@ public class ConfigServletInner {
     
     private static final int START_LONG_POLLING_VERSION_NUM = 204;
     
+    private static final Logger LOGGER = LoggerFactory.getLogger(ConfigServletInner.class);
+    
     private final LongPollingService longPollingService;
     
     private final PersistService persistService;
@@ -116,16 +124,29 @@ public class ConfigServletInner {
     }
     
     /**
-     * Execute to get config API.
+     * Execute to get config [API V1].
      */
     public String doGetConfig(HttpServletRequest request, HttpServletResponse response, String dataId, String group,
             String tenant, String tag, String isNotify, String clientIp) throws IOException, ServletException {
+        return doGetConfig(request, response, dataId, group, tenant, tag, isNotify, clientIp, false);
+    }
+    
+    /**
+     * Execute to get config [API V1] or [API V2].
+     */
+    public String doGetConfig(HttpServletRequest request, HttpServletResponse response, String dataId, String group,
+            String tenant, String tag, String isNotify, String clientIp, boolean isV2)
+            throws IOException, ServletException {
         
         boolean notify = false;
         if (StringUtils.isNotBlank(isNotify)) {
             notify = Boolean.parseBoolean(isNotify);
         }
         
+        if (isV2) {
+            response.setHeader(HttpHeaderConsts.CONTENT_TYPE, MediaType.APPLICATION_JSON);
+        }
+        
         final String groupKey = GroupKey2.getKey(dataId, group, tenant);
         String autoTag = request.getHeader("Vipserver-Tag");
         
@@ -153,6 +174,10 @@ public class ConfigServletInner {
                 String contentTypeHeader = fileTypeEnum.getContentType();
                 response.setHeader(HttpHeaderConsts.CONTENT_TYPE, contentTypeHeader);
                 
+                if (isV2) {
+                    response.setHeader(HttpHeaderConsts.CONTENT_TYPE, MediaType.APPLICATION_JSON);
+                }
+                
                 File file = null;
                 ConfigInfoBase configInfoBase = null;
                 PrintWriter out;
@@ -200,7 +225,7 @@ public class ConfigServletInner {
                                 // no data",
                                 // new Object[]{clientIp, groupKey});
                                 
-                                return get404Result(response);
+                                return get404Result(response, isV2);
                             }
                             isSli = true;
                         }
@@ -229,9 +254,7 @@ public class ConfigServletInner {
                             // no data",
                             // new Object[]{clientIp, groupKey});
                             
-                            response.setStatus(HttpServletResponse.SC_NOT_FOUND);
-                            response.getWriter().println("config data not exist");
-                            return HttpServletResponse.SC_NOT_FOUND + "";
+                            return get404Result(response, isV2);
                         }
                     }
                 }
@@ -250,10 +273,14 @@ public class ConfigServletInner {
                 }
                 
                 if (PropertyUtil.isDirectRead()) {
-                    Pair<String, String> pair = EncryptionHandler.decryptHandler(dataId,
-                            configInfoBase.getEncryptedDataKey(), configInfoBase.getContent());
+                    Pair<String, String> pair = EncryptionHandler
+                            .decryptHandler(dataId, configInfoBase.getEncryptedDataKey(), configInfoBase.getContent());
                     out = response.getWriter();
-                    out.print(pair.getSecond());
+                    if (isV2) {
+                        out.print(JacksonUtils.toJson(Result.success(pair.getSecond())));
+                    } else {
+                        out.print(pair.getSecond());
+                    }
                     out.flush();
                     out.close();
                 } else {
@@ -262,7 +289,11 @@ public class ConfigServletInner {
                     Pair<String, String> pair = EncryptionHandler.decryptHandler(dataId, encryptedDataKey, fileContent);
                     String decryptContent = pair.getSecond();
                     out = response.getWriter();
-                    out.print(decryptContent);
+                    if (isV2) {
+                        out.print(JacksonUtils.toJson(Result.success(decryptContent)));
+                    } else {
+                        out.print(decryptContent);
+                    }
                     out.flush();
                     out.close();
                 }
@@ -290,15 +321,12 @@ public class ConfigServletInner {
                     .logPullEvent(dataId, group, tenant, requestIpApp, -1, ConfigTraceService.PULL_EVENT_NOTFOUND, -1,
                             requestIp, notify && isSli);
             
-            return get404Result(response);
+            return get404Result(response, isV2);
             
         } else {
             
             PULL_LOG.info("[client-get] clientIp={}, {}, get data during dump", clientIp, groupKey);
-            
-            response.setStatus(HttpServletResponse.SC_CONFLICT);
-            response.getWriter().println("requested file is being modified, please try later.");
-            return HttpServletResponse.SC_CONFLICT + "";
+            return get409Result(response, isV2);
             
         }
         
@@ -309,12 +337,29 @@ public class ConfigServletInner {
         ConfigCacheService.releaseReadLock(groupKey);
     }
     
-    private String get404Result(HttpServletResponse response) throws IOException {
+    private String get404Result(HttpServletResponse response, boolean isV2) throws IOException {
         response.setStatus(HttpServletResponse.SC_NOT_FOUND);
-        response.getWriter().println("config data not exist");
+        PrintWriter writer = response.getWriter();
+        if (isV2) {
+            writer.println(JacksonUtils.toJson(Result.failure(ErrorCode.RESOURCE_NOT_FOUND, "config data not exist")));
+        } else {
+            writer.println("config data not exist");
+        }
         return HttpServletResponse.SC_NOT_FOUND + "";
     }
     
+    private String get409Result(HttpServletResponse response, boolean isV2) throws IOException {
+        response.setStatus(HttpServletResponse.SC_CONFLICT);
+        PrintWriter writer = response.getWriter();
+        if (isV2) {
+            writer.println(JacksonUtils.toJson(Result
+                    .failure(ErrorCode.RESOURCE_CONFLICT, "requested file is being modified, please try later.")));
+        } else {
+            writer.println("requested file is being modified, please try later.");
+        }
+        return HttpServletResponse.SC_CONFLICT + "";
+    }
+    
     /**
      * Try to add read lock.
      *

config/src/main/java/com/alibaba/nacos/config/server/controller/HistoryController.java

@@ -18,18 +18,16 @@ package com.alibaba.nacos.config.server.controller;
 
 import com.alibaba.nacos.auth.annotation.Secured;
 import com.alibaba.nacos.common.utils.NamespaceUtil;
-import com.alibaba.nacos.common.utils.Pair;
 import com.alibaba.nacos.common.utils.StringUtils;
 import com.alibaba.nacos.config.server.constant.Constants;
 import com.alibaba.nacos.config.server.model.ConfigHistoryInfo;
 import com.alibaba.nacos.config.server.model.ConfigInfoWrapper;
 import com.alibaba.nacos.config.server.model.Page;
-import com.alibaba.nacos.config.server.service.repository.PersistService;
+import com.alibaba.nacos.config.server.service.HistoryService;
 import com.alibaba.nacos.config.server.utils.ParamUtils;
 import com.alibaba.nacos.plugin.auth.constant.ActionTypes;
 import com.alibaba.nacos.plugin.auth.constant.SignType;
 import com.alibaba.nacos.plugin.auth.exception.AccessException;
-import com.alibaba.nacos.plugin.encryption.handler.EncryptionHandler;
 import org.springframework.ui.ModelMap;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -37,7 +35,6 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import java.util.List;
-import java.util.Objects;
 
 /**
  * History management controller.
@@ -48,10 +45,10 @@ import java.util.Objects;
 @RequestMapping(Constants.HISTORY_CONTROLLER_PATH)
 public class HistoryController {
     
-    private final PersistService persistService;
+    private final HistoryService historyService;
     
-    public HistoryController(PersistService persistService) {
-        this.persistService = persistService;
+    public HistoryController(HistoryService historyService) {
+        this.historyService = historyService;
     }
     
     /**
@@ -79,7 +76,7 @@ public class HistoryController {
         pageSize = null == pageSize ? 100 : pageSize;
         pageSize = Math.min(500, pageSize);
         // configInfoBase has no appName field.
-        return persistService.findConfigHistory(dataId, group, tenant, pageNo, pageSize);
+        return historyService.listConfigHistory(dataId, group, tenant, pageNo, pageSize);
     }
     
     /**
@@ -98,38 +95,7 @@ public class HistoryController {
             @RequestParam("group") String group,
             @RequestParam(value = "tenant", required = false, defaultValue = StringUtils.EMPTY) String tenant,
             @RequestParam("nid") Long nid) throws AccessException {
-        ConfigHistoryInfo configHistoryInfo = persistService.detailConfigHistory(nid);
-        if (Objects.isNull(configHistoryInfo)) {
-            return null;
-        }
-        // check if history config match the input
-        checkHistoryInfoPermission(configHistoryInfo, dataId, group, tenant);
-    
-        String encryptedDataKey = configHistoryInfo.getEncryptedDataKey();
-        Pair<String, String> pair = EncryptionHandler.decryptHandler(dataId, encryptedDataKey,
-                configHistoryInfo.getContent());
-        configHistoryInfo.setContent(pair.getSecond());
-        
-        return configHistoryInfo;
-    }
-    
-    /**
-     * Check if the input dataId,group and tenant match the history config.
-     *
-     * @param configHistoryInfo history config.
-     * @param dataId            dataId
-     * @param group             group
-     * @param tenant            tenant
-     * @throws AccessException not match exception.
-     * @since 2.0.3
-     */
-    private void checkHistoryInfoPermission(ConfigHistoryInfo configHistoryInfo, String dataId, String group,
-            String tenant) throws AccessException {
-        if (!Objects.equals(configHistoryInfo.getDataId(), dataId)
-                || !Objects.equals(configHistoryInfo.getGroup(), group)
-                || !Objects.equals(configHistoryInfo.getTenant(), tenant)) {
-            throw new AccessException("Please check dataId, group or tenant.");
-        }
+        return historyService.getConfigHistoryInfo(dataId, group, tenant, nid);
     }
     
     /**
@@ -149,13 +115,7 @@ public class HistoryController {
             @RequestParam("group") String group,
             @RequestParam(value = "tenant", required = false, defaultValue = StringUtils.EMPTY) String tenant,
             @RequestParam("id") Long id) throws AccessException {
-        ConfigHistoryInfo configHistoryInfo = persistService.detailPreviousConfigHistory(id);
-        if (Objects.isNull(configHistoryInfo)) {
-            return null;
-        }
-        // check if history config match the input
-        checkHistoryInfoPermission(configHistoryInfo, dataId, group, tenant);
-        return configHistoryInfo;
+        return historyService.getPreviousConfigHistoryInfo(dataId, group, tenant, id);
     }
     
     /**
@@ -171,7 +131,7 @@ public class HistoryController {
         // check tenant
         ParamUtils.checkTenant(tenant);
         tenant = NamespaceUtil.processNamespaceParameter(tenant);
-        return persistService.queryConfigInfoByNamespace(tenant);
+        return historyService.getConfigListByNamespace(tenant);
     }
     
 }

config/src/main/java/com/alibaba/nacos/config/server/controller/v2/ConfigControllerV2.java

@@ -0,0 +1,151 @@
+/*
+ * Copyright 1999-2022 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.config.server.controller.v2;
+
+import com.alibaba.nacos.api.annotation.NacosApi;
+import com.alibaba.nacos.api.config.ConfigType;
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.exception.api.NacosApiException;
+import com.alibaba.nacos.api.model.v2.Result;
+import com.alibaba.nacos.auth.annotation.Secured;
+import com.alibaba.nacos.common.utils.NamespaceUtil;
+import com.alibaba.nacos.common.utils.Pair;
+import com.alibaba.nacos.common.utils.StringUtils;
+import com.alibaba.nacos.config.server.constant.Constants;
+import com.alibaba.nacos.config.server.controller.ConfigServletInner;
+import com.alibaba.nacos.config.server.model.ConfigRequestInfo;
+import com.alibaba.nacos.config.server.model.form.ConfigForm;
+import com.alibaba.nacos.config.server.service.ConfigOperationService;
+import com.alibaba.nacos.config.server.utils.ParamUtils;
+import com.alibaba.nacos.config.server.utils.RequestUtil;
+import com.alibaba.nacos.plugin.auth.constant.ActionTypes;
+import com.alibaba.nacos.plugin.auth.constant.SignType;
+import com.alibaba.nacos.plugin.encryption.handler.EncryptionHandler;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+/**
+ * Special controller v2 for soft load client to publish data.
+ *
+ * @author dongyafei
+ * @date 2022/7/22
+ */
+
+@NacosApi
+@RestController
+@RequestMapping(Constants.CONFIG_CONTROLLER_V2_PATH)
+public class ConfigControllerV2 {
+    
+    private final ConfigServletInner inner;
+    
+    private final ConfigOperationService configOperationService;
+    
+    public ConfigControllerV2(ConfigServletInner inner, ConfigOperationService configOperationService) {
+        this.inner = inner;
+        this.configOperationService = configOperationService;
+    }
+    
+    /**
+     * Get configure board information fail.
+     *
+     * @throws ServletException  ServletException.
+     * @throws IOException       IOException.
+     * @throws NacosApiException NacosApiException.
+     */
+    @GetMapping
+    @Secured(action = ActionTypes.READ, signType = SignType.CONFIG)
+    public void getConfig(HttpServletRequest request, HttpServletResponse response,
+            @RequestParam("dataId") String dataId, @RequestParam("group") String group,
+            @RequestParam(value = "namespaceId", required = false, defaultValue = StringUtils.EMPTY) String namespaceId,
+            @RequestParam(value = "tag", required = false) String tag)
+            throws NacosException, IOException, ServletException {
+        // check namespaceId
+        ParamUtils.checkTenantV2(namespaceId);
+        namespaceId = NamespaceUtil.processNamespaceParameter(namespaceId);
+        // check params
+        ParamUtils.checkParam(dataId, group, "datumId", "content");
+        ParamUtils.checkParamV2(tag);
+        final String clientIp = RequestUtil.getRemoteIp(request);
+        String isNotify = request.getHeader("notify");
+        inner.doGetConfig(request, response, dataId, group, namespaceId, tag, isNotify, clientIp, true);
+    }
+    
+    /**
+     * Adds or updates non-aggregated data.
+     *
+     * @throws NacosException NacosException.
+     */
+    @PostMapping()
+    @Secured(action = ActionTypes.WRITE, signType = SignType.CONFIG)
+    public Result<Boolean> publishConfig(ConfigForm configForm, HttpServletRequest request) throws NacosException {
+        // check required field
+        configForm.validate();
+        // encrypted
+        Pair<String, String> pair = EncryptionHandler.encryptHandler(configForm.getDataId(), configForm.getContent());
+        configForm.setContent(pair.getSecond());
+        // check param
+        ParamUtils.checkTenantV2(configForm.getNamespaceId());
+        ParamUtils.checkParam(configForm.getDataId(), configForm.getGroup(), "datumId", configForm.getContent());
+        ParamUtils.checkParamV2(configForm.getTag());
+    
+        if (StringUtils.isBlank(configForm.getSrcUser())) {
+            configForm.setSrcUser(RequestUtil.getSrcUserName(request));
+        }
+        if (!ConfigType.isValidType(configForm.getType())) {
+            configForm.setType(ConfigType.getDefaultType().getType());
+        }
+    
+        ConfigRequestInfo configRequestInfo = new ConfigRequestInfo();
+        configRequestInfo.setSrcIp(RequestUtil.getRemoteIp(request));
+        configRequestInfo.setRequestIpApp(RequestUtil.getAppName(request));
+        configRequestInfo.setBetaIps(request.getHeader("betaIps"));
+    
+        String encryptedDataKey = pair.getFirst();
+    
+        return Result.success(configOperationService.publishConfig(configForm, configRequestInfo, encryptedDataKey));
+    }
+    
+    /**
+     * Synchronously delete all pre-aggregation data under a dataId.
+     *
+     * @throws NacosApiException NacosApiException.
+     */
+    @DeleteMapping
+    @Secured(action = ActionTypes.WRITE, signType = SignType.CONFIG)
+    public Result<Boolean> deleteConfig(HttpServletRequest request, @RequestParam("dataId") String dataId,
+            @RequestParam("group") String group,
+            @RequestParam(value = "namespaceId", required = false, defaultValue = StringUtils.EMPTY) String namespaceId,
+            @RequestParam(value = "tag", required = false) String tag) throws NacosException {
+        // check namespaceId
+        ParamUtils.checkTenantV2(namespaceId);
+        ParamUtils.checkParam(dataId, group, "datumId", "rm");
+        ParamUtils.checkParamV2(tag);
+        
+        String clientIp = RequestUtil.getRemoteIp(request);
+        String srcUser = RequestUtil.getSrcUserName(request);
+        return Result.success(configOperationService.deleteConfig(dataId, group, namespaceId, tag, clientIp, srcUser));
+    }
+}

config/src/main/java/com/alibaba/nacos/config/server/controller/v2/HistoryControllerV2.java

@@ -0,0 +1,154 @@
+/*
+ * Copyright 1999-2022 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.config.server.controller.v2;
+
+import com.alibaba.nacos.api.annotation.NacosApi;
+import com.alibaba.nacos.api.exception.api.NacosApiException;
+import com.alibaba.nacos.api.model.v2.ErrorCode;
+import com.alibaba.nacos.api.model.v2.Result;
+import com.alibaba.nacos.auth.annotation.Secured;
+import com.alibaba.nacos.common.utils.NamespaceUtil;
+import com.alibaba.nacos.common.utils.StringUtils;
+import com.alibaba.nacos.config.server.constant.Constants;
+import com.alibaba.nacos.config.server.model.ConfigHistoryInfo;
+import com.alibaba.nacos.config.server.model.ConfigInfoWrapper;
+import com.alibaba.nacos.config.server.model.Page;
+import com.alibaba.nacos.config.server.service.HistoryService;
+import com.alibaba.nacos.config.server.utils.ParamUtils;
+import com.alibaba.nacos.plugin.auth.constant.ActionTypes;
+import com.alibaba.nacos.plugin.auth.constant.SignType;
+import com.alibaba.nacos.plugin.auth.exception.AccessException;
+import org.springframework.dao.DataAccessException;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * config history management controller [v2].
+ * @author dongyafei
+ * @date 2022/7/25
+ */
+
+@NacosApi
+@RestController
+@RequestMapping(Constants.HISTORY_CONTROLLER_V2_PATH)
+public class HistoryControllerV2 {
+    
+    private final HistoryService historyService;
+    
+    public HistoryControllerV2(HistoryService historyService) {
+        this.historyService = historyService;
+    }
+    
+    /**
+     * Query the list history config. notes:
+     *
+     * @param dataId   dataId string value [required].
+     * @param group    group string value [required].
+     * @param namespaceId   namespaceId.
+     * @param pageNo   pageNo integer value.
+     * @param pageSize pageSize integer value.
+     * @return the page of history config.
+     * @since 2.0.3 add {@link Secured} for history config permission check.
+     */
+    @GetMapping("/list")
+    @Secured(action = ActionTypes.READ, signType = SignType.CONFIG)
+    public Result<Page<ConfigHistoryInfo>> listConfigHistory(
+            @RequestParam("dataId") String dataId,
+            @RequestParam("group") String group,
+            @RequestParam(value = "namespaceId", required = false, defaultValue = StringUtils.EMPTY) String namespaceId,
+            @RequestParam(value = "pageNo", required = false, defaultValue = "1") Integer pageNo,
+            @RequestParam(value = "pageSize", required = false, defaultValue = "100") Integer pageSize) {
+        pageSize = Math.min(500, pageSize);
+        return Result.success(historyService.listConfigHistory(dataId, group, namespaceId, pageNo, pageSize));
+    }
+    
+    /**
+     * Query the detailed configuration history information. notes:
+     *
+     * @param nid    history_config_info nid
+     * @param dataId dataId  @since 2.0.3
+     * @param group  groupId  @since 2.0.3
+     * @param namespaceId namespaceId  @since 2.0.3
+     * @return history config info
+     * @since 2.0.3 add {@link Secured}, dataId, groupId and tenant for history config permission check.
+     */
+    @GetMapping
+    @Secured(action = ActionTypes.READ, signType = SignType.CONFIG)
+    public Result<ConfigHistoryInfo> getConfigHistoryInfo(
+            @RequestParam("dataId") String dataId,
+            @RequestParam("group") String group,
+            @RequestParam(value = "namespaceId", required = false, defaultValue = StringUtils.EMPTY) String namespaceId,
+            @RequestParam("nid") Long nid) throws AccessException, NacosApiException {
+        ConfigHistoryInfo configHistoryInfo;
+        try {
+            configHistoryInfo = historyService.getConfigHistoryInfo(dataId, group, namespaceId, nid);
+        } catch (DataAccessException e) {
+            throw new NacosApiException(HttpStatus.NOT_FOUND.value(), ErrorCode.RESOURCE_NOT_FOUND,
+                    "certain config history for nid = " + nid + " not exist");
+        }
+        return Result.success(configHistoryInfo);
+    }
+    
+    /**
+     * Query previous config history information. notes:
+     *
+     * @param id     config_info id
+     * @param dataId dataId  @since 2.0.3
+     * @param group  groupId  @since 2.0.3
+     * @param namespaceId namespaceId  @since 2.0.3
+     * @return history config info
+     * @since 2.0.3 add {@link Secured}, dataId, groupId and tenant for history config permission check.
+     */
+    @GetMapping(value = "/previous")
+    @Secured(action = ActionTypes.READ, signType = SignType.CONFIG)
+    public Result<ConfigHistoryInfo> getPreviousConfigHistoryInfo(
+            @RequestParam("dataId") String dataId,
+            @RequestParam("group") String group,
+            @RequestParam(value = "namespaceId", required = false, defaultValue = StringUtils.EMPTY) String namespaceId,
+            @RequestParam("id") Long id) throws AccessException, NacosApiException {
+        ConfigHistoryInfo configHistoryInfo;
+        try {
+            configHistoryInfo = historyService.getPreviousConfigHistoryInfo(dataId, group, namespaceId, id);
+        } catch (DataAccessException e) {
+            throw new NacosApiException(HttpStatus.NOT_FOUND.value(), ErrorCode.RESOURCE_NOT_FOUND,
+                    "previous config history for id = " + id + " not exist");
+        }
+        return Result.success(configHistoryInfo);
+    }
+    
+    /**
+     * Query configs list by namespace.
+     *
+     * @param namespaceId config_info namespace
+     * @return list
+     * @since 2.1.1
+     */
+    @GetMapping(value = "/configs")
+    @Secured(action = ActionTypes.READ, signType = SignType.CONFIG)
+    public Result<List<ConfigInfoWrapper>> getConfigsByTenant(@RequestParam("namespaceId") String namespaceId)
+            throws NacosApiException {
+        // check namespaceId
+        ParamUtils.checkTenantV2(namespaceId);
+        namespaceId = NamespaceUtil.processNamespaceParameter(namespaceId);
+        return Result.success(historyService.getConfigListByNamespace(namespaceId));
+    }
+}

config/src/main/java/com/alibaba/nacos/config/server/exception/GlobalExceptionHandler.java

@@ -19,6 +19,7 @@ package com.alibaba.nacos.config.server.exception;
 import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.common.utils.ExceptionUtil;
 import com.alibaba.nacos.config.server.monitor.MetricsMonitor;
+import org.springframework.core.annotation.Order;
 import org.springframework.dao.DataAccessException;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ControllerAdvice;
@@ -31,6 +32,7 @@ import java.io.IOException;
  *
  * @author Nacos
  */
+@Order(0)
 @ControllerAdvice
 public class GlobalExceptionHandler {
     

config/src/main/java/com/alibaba/nacos/config/server/model/ConfigAdvanceInfo.java

@@ -25,7 +25,7 @@ import java.io.Serializable;
  */
 public class ConfigAdvanceInfo implements Serializable {
     
-    static final long serialVersionUID = -1L;
+    static final long serialVersionUID = 3148031484920416869L;
     
     private long createTime;
     

config/src/main/java/com/alibaba/nacos/config/server/model/ConfigInfo.java

@@ -24,7 +24,7 @@ package com.alibaba.nacos.config.server.model;
  */
 public class ConfigInfo extends ConfigInfoBase {
     
-    static final long serialVersionUID = -1L;
+    static final long serialVersionUID = 3115358782431229202L;
     
     private String tenant;
     

config/src/main/java/com/alibaba/nacos/config/server/model/ConfigInfoBase.java

@@ -32,7 +32,7 @@ import java.io.Serializable;
  */
 public class ConfigInfoBase implements Serializable, Comparable<ConfigInfoBase> {
     
-    static final long serialVersionUID = -1L;
+    static final long serialVersionUID = 265316491795790798L;
     
     @JsonSerialize(using = ToStringSerializer.class)
     private long id;

config/src/main/java/com/alibaba/nacos/config/server/model/ConfigInfoBaseEx.java

@@ -24,7 +24,7 @@ package com.alibaba.nacos.config.server.model;
  */
 public class ConfigInfoBaseEx extends ConfigInfoBase {
     
-    private static final long serialVersionUID = -1L;
+    private static final long serialVersionUID = 5802322506486922169L;
     
     /**
      * Single message status code, when querying for batch.

config/src/main/java/com/alibaba/nacos/config/server/model/ConfigInfoEx.java

@@ -23,7 +23,7 @@ package com.alibaba.nacos.config.server.model;
  */
 public class ConfigInfoEx extends ConfigInfo {
     
-    private static final long serialVersionUID = -1L;
+    private static final long serialVersionUID = 8905036592920606608L;
     
     /**
      * Single message status code, when querying for batch.