optimize dumpService warning on starting up ； async request suppport in cluster rpc client proxy. (#3808)

* optimize  dumpService warning on starting up .

* async request suppport in cluster rpc client proxy.

* async request suppport in cluster rpc client proxy.

api/src/main/java/com/alibaba/nacos/api/remote/RemoteConstants.java

@@ -31,7 +31,7 @@ public class RemoteConstants {
     
     public static final String LABEL_SOURCE_SDK = "sdk";
     
-    public static final String LABEL_SOURCE_NODE = "node";
+    public static final String LABEL_SOURCE_CLUSTER = "cluster";
     
     public static final String LABEL_MODULE = "module";
     

api/src/main/java/com/alibaba/nacos/api/remote/Requester.java

@@ -0,0 +1,86 @@
+/*
+ * 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.api.remote;
+
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.remote.request.Request;
+import com.alibaba.nacos.api.remote.request.RequestMeta;
+import com.alibaba.nacos.api.remote.response.Response;
+
+import java.util.Map;
+
+/**
+ * connection interface,define basic operation.
+ *
+ * @author liuzunfei
+ * @version $Id: Requester.java, v 0.1 2020年09月11日 4:05 PM liuzunfei Exp $
+ */
+public interface Requester {
+    
+    /**
+     * send request. default time out 3 seconds.
+     *
+     * @param request     request.
+     * @param requestMeta requestMeta.
+     * @return response.
+     * @throws NacosException exception throw.
+     */
+    public Response request(Request request, RequestMeta requestMeta) throws NacosException;
+    
+    /**
+     * send request.
+     *
+     * @param request      request.
+     * @param requestMeta  requestMeta.
+     * @param timeoutMills mills of timeouts.
+     * @return response  response returned.
+     * @throws NacosException exception throw.
+     */
+    public Response request(Request request, RequestMeta requestMeta, long timeoutMills) throws NacosException;
+    
+    /**
+     * send request.
+     *
+     * @param request     request.
+     * @param requestMeta meta of request.
+     * @return request future.
+     * @throws NacosException exception throw.
+     */
+    public RequestFuture requestFuture(Request request, RequestMeta requestMeta) throws NacosException;
+    
+    /**
+     * send aync request. =    * @param request request.
+     *
+     * @param requestMeta     meta of request.
+     * @param requestCallBack callback of request.
+     * @throws NacosException exception throw.
+     */
+    public void asyncRequest(Request request, RequestMeta requestMeta, RequestCallBack requestCallBack)
+            throws NacosException;
+    
+    /**
+     * get connection labels.
+     *
+     * @return labels.
+     */
+    public Map<String, String> getLabels();
+    
+    /**
+     * close connection.
+     */
+    public void close();
+}

client/src/test/java/com/alibaba/nacos/client/ConfigTest.java

@@ -54,9 +54,9 @@ public class ConfigTest {
     @Before
     public void before() throws Exception {
         Properties properties = new Properties();
-        //properties.setProperty(PropertyKeyConst.SERVER_ADDR, "11.160..148:8848,127.0.0.1:8848,127.0.0.1:8848");
+        properties.setProperty(PropertyKeyConst.SERVER_ADDR, "127.0.0.1:8848");
-        //properties.setProperty(PropertyKeyConst.SERVER_ADDR, "127.0.0.1:8848");
+        //properties.setProperty(PropertyKeyConst.SERVER_ADDR, "11.160.144.148:8848");
-        properties.setProperty(PropertyKeyConst.SERVER_ADDR, "11.160.144.149:8848,11.160.144.148:8848,127.0.0.1:8848");
+        //properties.setProperty(PropertyKeyConst.SERVER_ADDR, "11.160.144.149:8848,11.160.144.148:8848,127.0.0.1:8848");
         //"11.239.114.187:8848,,11.239.113.204:8848,11.239.112.161:8848");
         //"11.239.114.187:8848");
         configService = NacosFactory.createConfigService(properties);
@@ -66,8 +66,8 @@ public class ConfigTest {
     @Test
     public void test222() throws Exception {
         Map<String, String> labels = new HashMap<String, String>();
-        labels.put(RemoteConstants.LABEL_SOURCE, RemoteConstants.LABEL_SOURCE_NODE);
+        labels.put(RemoteConstants.LABEL_SOURCE, RemoteConstants.LABEL_SOURCE_CLUSTER);
-    
+        
         RpcClient client = RpcClientFactory.createClient("1234", ConnectionType.RSOCKET, labels);
         client.init(new ServerListFactory() {
             @Override
@@ -181,21 +181,27 @@ public class ConfigTest {
     
     @Test
     public void test2() throws Exception {
+        final String dataId = "xiaochun.xxc";
+        final String group = "xiaochun.xxc";
         Properties properties = new Properties();
-        properties.setProperty(PropertyKeyConst.SERVER_ADDR, "11.160.144.148:8848,11.160.144.149:8848");
+        properties.setProperty(PropertyKeyConst.SERVER_ADDR, "11.160.144.149:8848");
         //"
         List<ConfigService> configServiceList = new ArrayList<ConfigService>();
         for (int i = 0; i < 300; i++) {
             
             ConfigService configService = NacosFactory.createConfigService(properties);
-            configService.addListener("test", "test", new AbstractListener() {
     
+            Listener listener = new AbstractListener() {
                 @Override
                 public void receiveConfigInfo(String configInfo) {
-                    System.out.println("listener2:" + configInfo);
+                    System.out.println(
+                            "receiveConfigInfo1 content:" + (System.currentTimeMillis() - Long.valueOf(configInfo)));
+            
                 }
-            });
+            };
-            configServiceList.add(configService);
+    
+            configService.addListener(dataId, group, listener);
+    
             System.out.println(configServiceList.size());
         }
         System.out.println("2");
@@ -208,13 +214,10 @@ public class ConfigTest {
                 int times = 10000;
                 while (times > 0) {
                     try {
-                        System.out.println("3");
+                        boolean result = configService.publishConfig(dataId, group, "" + System.currentTimeMillis());
-    
+                        
-                        boolean result = configService
-                                .publishConfig("test", "test", "value" + System.currentTimeMillis());
-    
                         times--;
-                        Thread.sleep(3000L);
+                        Thread.sleep(1000L);
                     } catch (Exception e) {
                         e.printStackTrace();
     
@@ -223,7 +226,7 @@ public class ConfigTest {
             }
         
         });
-        //th.start();
+        th.start();
         
         Thread.sleep(1000000L);
     }
@@ -244,12 +247,12 @@ public class ConfigTest {
                 int times = 1000;
                 while (times > 0) {
                     try {
-                        String content1 = "value" + System.currentTimeMillis();
+                        String content1 = System.currentTimeMillis() + "";
-                        System.out.println("publish content:" + content1);
+                        //System.out.println("publish content:" + content1);
                         configService.publishConfig(dataId, group, content1);
                         
                         times--;
-                        Thread.sleep(2000L);
+                        Thread.sleep(1000L);
                     } catch (Exception e) {
                         e.printStackTrace();
                     }
@@ -266,8 +269,9 @@ public class ConfigTest {
         Listener listener = new AbstractListener() {
             @Override
             public void receiveConfigInfo(String configInfo) {
-                System.out.println("receiveConfigInfo1 content:" + configInfo + "," + System.currentTimeMillis());
+                System.out.println(
-    
+                        "receiveConfigInfo1 content:" + (System.currentTimeMillis() - Long.valueOf(configInfo)));
+                
             }
         };
     

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

@@ -31,7 +31,7 @@ public interface HttpHeaderConsts {
     String ACCEPT_CHARSET = "Accept-Charset";
     String ACCEPT_ENCODING = "Accept-Encoding";
     String CONTENT_ENCODING = "Content-Encoding";
-    String CONNECTION = "Connection";
+    String CONNECTION = "Requester";
     String REQUEST_ID = "RequestId";
     String REQUEST_MODULE = "Request-Module";
     

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

@@ -16,12 +16,7 @@
 
 package com.alibaba.nacos.common.remote.client;
 
-import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.api.remote.Requester;
-import com.alibaba.nacos.api.remote.RequestCallBack;
-import com.alibaba.nacos.api.remote.RequestFuture;
-import com.alibaba.nacos.api.remote.request.Request;
-import com.alibaba.nacos.api.remote.request.RequestMeta;
-import com.alibaba.nacos.api.remote.response.Response;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -33,7 +28,7 @@ import java.util.Map;
  * @version $Id: Connection.java, v 0.1 2020年08月09日 1:32 PM liuzunfei Exp $
  */
 @SuppressWarnings("PMD.AbstractClassShouldStartWithAbstractNamingRule")
-public abstract class Connection {
+public abstract class Connection implements Requester {
     
     private boolean abandon = false;
     
@@ -45,18 +40,6 @@ public abstract class Connection {
         this.serverInfo = serverInfo;
     }
     
-    public String getLabel(String labelKey) {
-        return labels.get(labelKey);
-    }
-    
-    public void putLabel(String labelKey, String labelValue) {
-        labels.put(labelKey, labelValue);
-    }
-    
-    public void putLabels(Map<String, String> labels) {
-        labels.putAll(labels);
-    }
-    
     /**
      * Getter method for property <tt>abandon</tt>.
      *
@@ -67,8 +50,7 @@ public abstract class Connection {
     }
     
     /**
-     * Setter method for property <tt>abandon</tt>.
+     * Setter method for property <tt>abandon</tt>. connection event will be ignored if connection is abandoned.
-     * connection event will be ignored if connection is abandoned.
      *
      * @param abandon value to be assigned to property abandon
      */
@@ -77,49 +59,28 @@ public abstract class Connection {
     }
     
     /**
-     * send request.
+     * Getter method for property <tt>labels</tt>.
-     * default time out 3 seconds.
-     * @param request request.
-     * @param requestMeta requestMeta.
-     * @return response.
-     * @throws NacosException exception throw.
-     */
-    public abstract Response request(Request request, RequestMeta requestMeta) throws NacosException;
-    
-    /**
-     * send request.
      *
-     * @param request  request.
+     * @return property value of labels
-     * @param requestMeta requestMeta.
-     * @param timeoutMills mills of timeouts.
-     * @return response  response returned.
-     * @throws NacosException exception throw.
      */
-    public abstract Response request(Request request, RequestMeta requestMeta, long timeoutMills) throws NacosException;
+    @Override
+    public Map<String, String> getLabels() {
+        return labels;
+    }
     
     /**
-     * send request.
+     * Setter method for property <tt>labels</tt>.
      *
-     * @param request     request.
+     * @param labels value to be assigned to property labels
-     * @param requestMeta meta of request.
-     * @return request future.
-     * @throws NacosException exception throw.
      */
-    public abstract RequestFuture requestFuture(Request request, RequestMeta requestMeta) throws NacosException;
+    public void putLabels(Map<String, String> labels) {
+        this.labels = labels;
+    }
     
     /**
-     * send aync request.
+     * Setter method for property <tt>labels</tt>.
-     =    * @param request request.
-     * @param requestMeta meta of request.
-     * @param requestCallBack callback of request.
-     * @throws NacosException exception throw.
      */
-    public abstract void asyncRequest(Request request, RequestMeta requestMeta, RequestCallBack requestCallBack)
+    public void putLabel(String labelName, String labelValue) {
-            throws NacosException;
+        this.labels.put(labelName, labelValue);
-    
+    }
-    /**
-     * close connection.
-     */
-    public abstract void close();
-    
 }

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

@@ -346,6 +346,9 @@ public abstract class RpcClient implements Closeable {
                     switchingFlag.compareAndSet(false, true);
                     // loop until start client success.
                     boolean switchSuccess = false;
+        
+                    int reConnectTimes = 0;
+                    Exception lastException = null;
                     while (!switchSuccess && !isShutdwon()) {
                         
                         //1.get a new server
@@ -353,7 +356,6 @@ public abstract class RpcClient implements Closeable {
                         //2.create a new channel to new server
                         try {
                             serverInfo = recommendServer.get() == null ? nextRpcServer() : recommendServer.get();
-                            System.out.println(RpcClient.this.name + "trying  to connect server:" + serverInfo);
                             
                             Connection connectNew = connectToServer(serverInfo);
                             if (connectNew != null) {
@@ -368,20 +370,27 @@ public abstract class RpcClient implements Closeable {
                                 boolean s = eventLinkedBlockingQueue
                                         .add(new ConnectionEvent(ConnectionEvent.CONNECTED));
                                 return;
-                            } else {
-                                System.out.println(RpcClient.this.name + "-fail to connect server:" + serverInfo);
                             }
     
                             if (isShutdwon()) {
                                 closeConnection(connectNew);
                             }
+    
+                            lastException = null;
                             
                         } catch (Exception e) {
-                            System.out.println(RpcClient.this.name + "-fail to connect server:" + serverInfo
+                            lastException = e;
-                                    + " ,error message is " + e.getMessage());
                         } finally {
                             recommendServer.set(null);
                         }
+    
+                        reConnectTimes++;
+    
+                        if (reConnectTimes % 30 == 0) {
+                            System.out.println(
+                                    RpcClient.this.name + "-fail to connect server,after trying " + reConnectTimes
+                                            + " times, last tryed server is " + serverInfo);
+                        }
                         
                         try {
                             //sleep 100 millsecond to switch next server.
@@ -431,10 +440,6 @@ public abstract class RpcClient implements Closeable {
      */
     public abstract int rpcPortOffset();
     
-    protected void clearContextOnResetRequest() {
-        // Default do nothing.
-    }
-    
     /**
      * get current server.
      *
@@ -477,7 +482,6 @@ public abstract class RpcClient implements Closeable {
                 if (response != null) {
                     if (response instanceof ConnectionUnregisterResponse) {
                         synchronized (this) {
-                            clearContextOnResetRequest();
                             if (rpcClientStatus.compareAndSet(RpcClientStatus.RUNNING, RpcClientStatus.UNHEALTHY)) {
                                 switchServerAsync();
                             }

config/src/main/java/com/alibaba/nacos/config/server/remote/ConfigPublishRequestHandler.java

@@ -20,7 +20,10 @@ import com.alibaba.nacos.api.config.remote.request.ConfigPublishRequest;
 import com.alibaba.nacos.api.config.remote.response.ConfigPubishResponse;
 import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.api.remote.request.RequestMeta;
+import com.alibaba.nacos.auth.annotation.Secured;
+import com.alibaba.nacos.auth.common.ActionTypes;
 import com.alibaba.nacos.common.utils.MapUtils;
+import com.alibaba.nacos.config.server.auth.ConfigResourceParser;
 import com.alibaba.nacos.config.server.model.ConfigInfo;
 import com.alibaba.nacos.config.server.model.event.ConfigDataChangeEvent;
 import com.alibaba.nacos.config.server.service.AggrWhitelist;
@@ -53,6 +56,7 @@ public class ConfigPublishRequestHandler extends RequestHandler<ConfigPublishReq
     private PersistService persistService;
     
     @Override
+    @Secured(action = ActionTypes.WRITE, parser = ConfigResourceParser.class)
     public ConfigPubishResponse handle(ConfigPublishRequest myRequest, RequestMeta meta) throws NacosException {
         
         try {

config/src/main/java/com/alibaba/nacos/config/server/remote/RpcConfigChangeNotifier.java

@@ -39,6 +39,7 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -47,11 +48,12 @@ import java.util.concurrent.TimeUnit;
  * @author liuzunfei
  * @version $Id: ConfigChangeNotifier.java, v 0.1 2020年07月20日 3:00 PM liuzunfei Exp $
  */
-@Component
+@Component(value = "rpcConfigChangeNotifier")
 public class RpcConfigChangeNotifier extends Subscriber<LocalDataChangeEvent> {
     
     private static final ScheduledExecutorService ASYNC_CONFIG_CHANGE_NOTIFY_EXECUTOR = ExecutorFactory.Managed
-            .newScheduledExecutorService(ClassUtils.getCanonicalName(Config.class), 100,
+            .newScheduledExecutorService(ClassUtils.getCanonicalName(Config.class),
+                    Runtime.getRuntime().availableProcessors() * 2,
                     new NameThreadFactory("com.alibaba.nacos.config.server.remote.ConfigChangeNotifier"));
     
     public RpcConfigChangeNotifier() {
@@ -101,7 +103,8 @@ public class RpcConfigChangeNotifier extends Subscriber<LocalDataChangeEvent> {
             }
         }
     
-        Loggers.RPC.info("push {} clients ,groupKey={}", clients == null ? 0 : notifyCount, groupKey);
+        Loggers.RPC.info("push {} clients ,groupKey={},queue size={}", clients == null ? 0 : notifyCount, groupKey,
+                ((ScheduledThreadPoolExecutor) ASYNC_CONFIG_CHANGE_NOTIFY_EXECUTOR).getQueue().size());
     }
     
     @Override
@@ -151,7 +154,7 @@ public class RpcConfigChangeNotifier extends Subscriber<LocalDataChangeEvent> {
         
         @Override
         public void run() {
-            rpcPushService.pushWithCallback(clientId, notifyRequet, new AbstractPushCallBack(500L) {
+            rpcPushService.pushWithCallback(clientId, notifyRequet, new AbstractPushCallBack(3000L) {
                 int retryTimes = tryTimes;
                 
                 @Override
@@ -163,14 +166,13 @@ public class RpcConfigChangeNotifier extends Subscriber<LocalDataChangeEvent> {
                 
                 @Override
                 public void onFail(Throwable e) {
-                    Loggers.CORE.error("On failt ", e);
                     Loggers.CORE.warn("push fail.dataId={},group={},tenant={},clientId={},tryTimes={}",
                             notifyRequet.getDataId(), notifyRequet.getGroup(), notifyRequet.getTenant(), clientId,
                             retryTimes);
                     
                     push(RpcPushTask.this);
                 }
-    
+        
             }, ASYNC_CONFIG_CHANGE_NOTIFY_EXECUTOR);
             
             tryTimes++;

config/src/main/java/com/alibaba/nacos/config/server/service/dump/ExternalDumpService.java

@@ -20,6 +20,7 @@ import com.alibaba.nacos.config.server.configuration.ConditionOnExternalStorage;
 import com.alibaba.nacos.config.server.service.repository.PersistService;
 import com.alibaba.nacos.core.cluster.ServerMemberManager;
 import org.springframework.context.annotation.Conditional;
+import org.springframework.context.annotation.DependsOn;
 import org.springframework.stereotype.Component;
 
 import javax.annotation.PostConstruct;
@@ -31,6 +32,7 @@ import javax.annotation.PostConstruct;
  */
 @Conditional(ConditionOnExternalStorage.class)
 @Component
+@DependsOn({"rpcConfigChangeNotifier"})
 public class ExternalDumpService extends DumpService {
     
     /**

core/src/main/java/com/alibaba/nacos/core/cluster/remote/ClusterRpcClientProxy.java

@@ -18,6 +18,7 @@ package com.alibaba.nacos.core.cluster.remote;
 
 import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.api.remote.RemoteConstants;
+import com.alibaba.nacos.api.remote.RequestCallBack;
 import com.alibaba.nacos.api.remote.request.Request;
 import com.alibaba.nacos.api.remote.response.Response;
 import com.alibaba.nacos.common.notify.NotifyCenter;
@@ -111,7 +112,7 @@ public class ClusterRpcClientProxy extends MemberChangeListener {
     
     private void createRpcClientAndStart(Member member, ConnectionType type) throws NacosException {
         Map<String, String> labels = new HashMap<String, String>(2);
-        labels.put(RemoteConstants.LABEL_SOURCE, RemoteConstants.LABEL_SOURCE_NODE);
+        labels.put(RemoteConstants.LABEL_SOURCE, RemoteConstants.LABEL_SOURCE_CLUSTER);
         String memberClientKey = memberClientKey(member);
         RpcClient client = RpcClientFactory.createClusterClient(memberClientKey, type, labels);
         if (!client.getConnectionType().equals(type)) {
@@ -154,15 +155,44 @@ public class ClusterRpcClientProxy extends MemberChangeListener {
      * @throws NacosException exception may throws.
      */
     public Response sendRequest(Member member, Request request) throws NacosException {
+        return sendRequest(member, request, 3000L);
+    }
+    
+    /**
+     * send request to member.
+     *
+     * @param member  member of server.
+     * @param request request.
+     * @return Response response.
+     * @throws NacosException exception may throws.
+     */
+    public Response sendRequest(Member member, Request request, long timeoutMills) throws NacosException {
         RpcClient client = RpcClientFactory.getClient(memberClientKey(member));
         if (client != null) {
-            Response response = client.request(request);
+            Response response = client.request(request, timeoutMills);
             return response;
         } else {
             throw new NacosException(CLIENT_INVALID_PARAM, "No rpc client related to member: " + member);
         }
     }
     
+    /**
+     * aync send request to member with callback.
+     *
+     * @param member   member of server.
+     * @param request  request.
+     * @param callBack RequestCallBack.
+     * @throws NacosException exception may throws.
+     */
+    public void asyncRequest(Member member, Request request, RequestCallBack callBack) throws NacosException {
+        RpcClient client = RpcClientFactory.getClient(memberClientKey(member));
+        if (client != null) {
+            client.asyncRequest(request, callBack);
+        } else {
+            throw new NacosException(CLIENT_INVALID_PARAM, "No rpc client related to member: " + member);
+        }
+    }
+    
     /**
      * send request to member.
      *

core/src/main/java/com/alibaba/nacos/core/remote/Connection.java

@@ -16,12 +16,8 @@
 
 package com.alibaba.nacos.core.remote;
 
-import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.api.remote.RemoteConstants;
-import com.alibaba.nacos.api.remote.RequestCallBack;
+import com.alibaba.nacos.api.remote.Requester;
-import com.alibaba.nacos.api.remote.RequestFuture;
-import com.alibaba.nacos.api.remote.request.Request;
-import com.alibaba.nacos.api.remote.response.Response;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 
 import java.util.Map;
@@ -33,7 +29,7 @@ import java.util.Map;
  * @version $Id: Connection.java, v 0.1 2020年07月13日 7:08 PM liuzunfei Exp $
  */
 @SuppressWarnings("PMD.AbstractClassShouldStartWithAbstractNamingRule")
-public abstract class Connection {
+public abstract class Connection implements Requester {
     
     private final ConnectionMetaInfo metaInfo;
     
@@ -41,48 +37,6 @@ public abstract class Connection {
         this.metaInfo = metaInfo;
     }
     
-    /**
-     * Send response to this client that associated to this connection.
-     *
-     * @param request request.
-     * @param timeoutMills timeoutMills.
-     * @return Response resonse.
-     * @throws NacosException exception may throw.
-     */
-    public abstract Response sendRequest(Request request, long timeoutMills) throws NacosException;
-    
-    /**
-     * Send response to this client that associated to this connection.
-     *
-     * @param request request.
-     * @throws NacosException exception may throw.
-     */
-    public abstract void sendRequestNoAck(Request request) throws NacosException;
-    
-    /**
-     * Send response to this client that associated to this connection.
-     *
-     * @param request request.
-     * @return future of request.
-     * @throws NacosException exception may throw.
-     */
-    public abstract RequestFuture sendRequestWithFuture(Request request) throws NacosException;
-    
-    /**
-     * Send response to this client that associated to this connection.
-     *
-     * @param request request.
-     * @param callBack call back.
-     * @throws NacosException exception may throw.
-     */
-    public abstract void sendRequestWithCallBack(Request request, RequestCallBack callBack)
-            throws NacosException;
-    
-    /**
-     * Close this connection, if this connection is not active yet.
-     */
-    public abstract void closeGrapcefully();
-    
     /**
      * Update last Active Time to now.
      */
@@ -99,6 +53,11 @@ public abstract class Connection {
         return metaInfo.lastActiveTime;
     }
     
+    /**
+     * get connection Id.
+     *
+     * @return
+     */
     public String getConnectionId() {
         return metaInfo.connectionId;
     }

core/src/main/java/com/alibaba/nacos/core/remote/ConnectionManager.java

@@ -19,8 +19,11 @@ package com.alibaba.nacos.core.remote;
 import com.alibaba.nacos.api.common.Constants;
 import com.alibaba.nacos.api.remote.RpcScheduledExecutor;
 import com.alibaba.nacos.api.remote.request.ConnectResetRequest;
+import com.alibaba.nacos.api.remote.request.RequestMeta;
+import com.alibaba.nacos.api.utils.NetUtils;
 import com.alibaba.nacos.common.remote.exception.ConnectionAlreadyClosedException;
 import com.alibaba.nacos.common.utils.StringUtils;
+import com.alibaba.nacos.common.utils.VersionUtils;
 import com.alibaba.nacos.core.monitor.MetricsMonitor;
 import com.alibaba.nacos.core.utils.Loggers;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -55,8 +58,6 @@ public class ConnectionManager {
     
     String redirectAddress = null;
     
-    private static final long EXPIRE_MILLSECOND = 10000L;
-    
     @Autowired
     private ClientConnectionEventListenerRegistry clientConnectionEventListenerRegistry;
     
@@ -94,7 +95,7 @@ public class ConnectionManager {
     public void unregister(String connectionId) {
         Connection remove = this.connetions.remove(connectionId);
         if (remove != null) {
-            remove.closeGrapcefully();
+            remove.close();
             Loggers.RPC.info(" connection unregistered successfully,connectionid = {} ", connectionId);
             clientConnectionEventListenerRegistry.notifyClientDisConnected(remove);
         }
@@ -187,7 +188,7 @@ public class ConnectionManager {
                                     connectResetRequest.setServerIp(split[0]);
                                     connectResetRequest.setServerPort(split[1]);
                                 }
-                                connection.sendRequestNoAck(connectResetRequest);
+                                connection.request(connectResetRequest, buildMeta());
                                 Loggers.RPC
                                         .info("expel connection ,send switch server response connectionid = {},connectResetRequest={} ",
                                                 expeledClientId, connectResetRequest);
@@ -214,6 +215,13 @@ public class ConnectionManager {
         
     }
     
+    private RequestMeta buildMeta() {
+        RequestMeta meta = new RequestMeta();
+        meta.setClientVersion(VersionUtils.getFullClientVersion());
+        meta.setClientIp(NetUtils.localIP());
+        return meta;
+    }
+    
     public void coordinateMaxClientsSmoth(int maxClient) {
         this.maxClient = maxClient;
     }
@@ -240,7 +248,7 @@ public class ConnectionManager {
                 connectResetRequest.setServerPort(split[1]);
             }
             try {
-                connection.sendRequestNoAck(connectResetRequest);
+                connection.request(connectResetRequest, buildMeta());
             } catch (ConnectionAlreadyClosedException e) {
                 unregister(connectionId);
             } catch (Exception e) {
@@ -297,7 +305,7 @@ public class ConnectionManager {
         for (Map.Entry<String, Connection> entry : connetions.entrySet()) {
             Connection client = entry.getValue();
             try {
-                client.sendRequestNoAck(new ConnectResetRequest());
+                client.request(new ConnectResetRequest(), buildMeta());
             } catch (Exception e) {
                 //Do Nothing.
             }

core/src/main/java/com/alibaba/nacos/core/remote/RpcPushService.java

@@ -18,10 +18,13 @@ package com.alibaba.nacos.core.remote;
 
 import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.api.remote.AbstractRequestCallBack;
+import com.alibaba.nacos.api.remote.request.RequestMeta;
 import com.alibaba.nacos.api.remote.request.ServerPushRequest;
 import com.alibaba.nacos.api.remote.response.PushCallBack;
 import com.alibaba.nacos.api.remote.response.Response;
+import com.alibaba.nacos.api.utils.NetUtils;
 import com.alibaba.nacos.common.remote.exception.ConnectionAlreadyClosedException;
+import com.alibaba.nacos.common.utils.VersionUtils;
 import com.alibaba.nacos.core.utils.Loggers;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -52,27 +55,29 @@ public class RpcPushService {
         Connection connection = connectionManager.getConnection(connectionId);
         if (connection != null) {
             try {
-                connection.sendRequestWithCallBack(request, new AbstractRequestCallBack(requestCallBack.getTimeout()) {
+                connection
-                    
+                        .asyncRequest(request, buildMeta(), new AbstractRequestCallBack(requestCallBack.getTimeout()) {
-                    @Override
+                
-                    public Executor getExcutor() {
+                            @Override
-                        return executor;
+                            public Executor getExcutor() {
-                    }
+                                return executor;
-        
+                            }
-                    @Override
+                
-                    public void onResponse(Response response) {
+                            @Override
-                        if (response.isSuccess()) {
+                            public void onResponse(Response response) {
-                            requestCallBack.onSuccess();
+                                if (response.isSuccess()) {
-                        } else {
+                                    requestCallBack.onSuccess();
-                            requestCallBack.onFail(new NacosException(response.getErrorCode(), response.getMessage()));
+                                } else {
-                        }
+                                    requestCallBack
-                    }
+                                            .onFail(new NacosException(response.getErrorCode(), response.getMessage()));
-        
+                                }
-                    @Override
+                            }
-                    public void onException(Throwable e) {
+                
-                        requestCallBack.onFail(e);
+                            @Override
-                    }
+                            public void onException(Throwable e) {
-                });
+                                requestCallBack.onFail(e);
+                            }
+                        });
             } catch (ConnectionAlreadyClosedException e) {
                 connectionManager.unregister(connectionId);
                 requestCallBack.onSuccess();
@@ -96,7 +101,7 @@ public class RpcPushService {
         Connection connection = connectionManager.getConnection(connectionId);
         if (connection != null) {
             try {
-                connection.sendRequestNoAck(request);
+                connection.request(request, buildMeta());
             } catch (ConnectionAlreadyClosedException e) {
                 connectionManager.unregister(connectionId);
             } catch (Exception e) {
@@ -107,4 +112,11 @@ public class RpcPushService {
         }
     }
     
+    private RequestMeta buildMeta() {
+        RequestMeta meta = new RequestMeta();
+        meta.setClientVersion(VersionUtils.getFullClientVersion());
+        meta.setClientIp(NetUtils.localIP());
+        return meta;
+    }
+    
 }

core/src/main/java/com/alibaba/nacos/core/remote/grpc/GrpcBiStreamRequestAcceptor.java

@@ -21,13 +21,17 @@ import com.alibaba.nacos.api.grpc.auto.Metadata;
 import com.alibaba.nacos.api.grpc.auto.Payload;
 import com.alibaba.nacos.api.remote.request.ConnectResetRequest;
 import com.alibaba.nacos.api.remote.request.ConnectionSetupRequest;
+import com.alibaba.nacos.api.remote.request.RequestMeta;
 import com.alibaba.nacos.api.remote.response.Response;
+import com.alibaba.nacos.api.utils.NetUtils;
 import com.alibaba.nacos.common.remote.ConnectionType;
 import com.alibaba.nacos.common.remote.GrpcUtils;
+import com.alibaba.nacos.common.utils.VersionUtils;
 import com.alibaba.nacos.core.remote.Connection;
 import com.alibaba.nacos.core.remote.ConnectionManager;
 import com.alibaba.nacos.core.remote.ConnectionMetaInfo;
 import com.alibaba.nacos.core.remote.RpcAckCallbackSynchronizer;
+import com.alibaba.nacos.core.utils.Loggers;
 import io.grpc.Context;
 import io.grpc.stub.StreamObserver;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -38,6 +42,7 @@ import static com.alibaba.nacos.core.remote.grpc.BaseGrpcServer.CONTEXT_KEY_CONN
 
 /**
  * grpc bi stream request .
+ *
  * @author liuzunfei
  * @version $Id: GrpcBiStreamRequest.java, v 0.1 2020年09月01日 10:41 PM liuzunfei Exp $
  */
@@ -64,13 +69,13 @@ public class GrpcBiStreamRequestAcceptor extends BiRequestStreamGrpc.BiRequestSt
                     String version = metadata.getClientVersion();
                     ConnectionMetaInfo metaInfo = new ConnectionMetaInfo(connectionId, clientIp,
                             ConnectionType.GRPC.getType(), version, metadata.getLabelsMap());
-                    
+    
                     Connection connection = new GrpcConnection(metaInfo, responseObserver, CONTEXT_KEY_CHANNEL.get());
                     if (connectionManager.isOverLimit()) {
                         //Not register to the connection manager if current server is over limit.
                         try {
-                            connection.sendRequestNoAck(new ConnectResetRequest());
+                            connection.request(new ConnectResetRequest(), buildMeta());
-                            connection.closeGrapcefully();
+                            connection.close();
                         } catch (Exception e) {
                             //Do nothing.
                         }
@@ -78,7 +83,9 @@ public class GrpcBiStreamRequestAcceptor extends BiRequestStreamGrpc.BiRequestSt
                         connectionManager.register(connectionId, connection);
                     }
                 } else if (plainRequest.getBody() instanceof Response) {
+    
                     Response response = (Response) plainRequest.getBody();
+                    Loggers.RPC_DIGEST.debug(String.format("[%s] response receive :%s ", "grpc", response.toString()));
                     RpcAckCallbackSynchronizer.ackNotify(connectionId, response);
                 }
                 
@@ -97,4 +104,12 @@ public class GrpcBiStreamRequestAcceptor extends BiRequestStreamGrpc.BiRequestSt
         
         return streamObserver;
     }
+    
+    private RequestMeta buildMeta() {
+        RequestMeta meta = new RequestMeta();
+        meta.setClientVersion(VersionUtils.getFullClientVersion());
+        meta.setClientIp(NetUtils.localIP());
+        return meta;
+    }
+    
 }

core/src/main/java/com/alibaba/nacos/core/remote/grpc/GrpcConnection.java

@@ -22,6 +22,7 @@ import com.alibaba.nacos.api.remote.DefaultRequestFuture;
 import com.alibaba.nacos.api.remote.RequestCallBack;
 import com.alibaba.nacos.api.remote.RequestFuture;
 import com.alibaba.nacos.api.remote.request.Request;
+import com.alibaba.nacos.api.remote.request.RequestMeta;
 import com.alibaba.nacos.api.remote.response.Response;
 import com.alibaba.nacos.api.utils.NetUtils;
 import com.alibaba.nacos.common.remote.GrpcUtils;
@@ -35,6 +36,8 @@ import io.grpc.StatusRuntimeException;
 import io.grpc.netty.shaded.io.netty.channel.Channel;
 import io.grpc.stub.StreamObserver;
 
+import java.util.Map;
+
 /**
  * grpc connection.
  *
@@ -53,22 +56,9 @@ public class GrpcConnection extends Connection {
         this.channel = channel;
     }
     
-    @Override
+    private void sendRequestNoAck(Request request, RequestMeta meta) throws NacosException {
-    public Response sendRequest(Request request, long timeoutMills) throws NacosException {
-        DefaultRequestFuture pushFuture = (DefaultRequestFuture) sendRequestWithFuture(request);
         try {
-            return pushFuture.get(timeoutMills);
+            streamObserver.onNext(GrpcUtils.convert(request, meta));
-        } catch (Exception e) {
-            throw new NacosException(NacosException.SERVER_ERROR, e);
-        } finally {
-            RpcAckCallbackSynchronizer.clearFuture(getConnectionId(), pushFuture.getRequestId());
-        }
-    }
-    
-    @Override
-    public void sendRequestNoAck(Request request) throws NacosException {
-        try {
-            streamObserver.onNext(GrpcUtils.convert(request, buildMeta(request.getClass().getName())));
         } catch (Exception e) {
             if (e instanceof StatusRuntimeException) {
                 throw new ConnectionAlreadyClosedException(e);
@@ -83,21 +73,12 @@ public class GrpcConnection extends Connection {
         return meta;
     }
     
-    @Override
+    private DefaultRequestFuture sendRequestInner(Request request, RequestMeta meta, RequestCallBack callBack)
-    public RequestFuture sendRequestWithFuture(Request request) throws NacosException {
+            throws NacosException {
-        return sendRequestInner(request, null);
-    }
-    
-    @Override
-    public void sendRequestWithCallBack(Request request, RequestCallBack callBack) throws NacosException {
-        sendRequestInner(request, callBack);
-    }
-    
-    private DefaultRequestFuture sendRequestInner(Request request, RequestCallBack callBack) throws NacosException {
         Loggers.RPC_DIGEST.debug(String.format("[%s] send request  : %s", "grpc", request.toString()));
         String requestId = String.valueOf(PushAckIdGenerator.getNextId());
         request.setRequestId(requestId);
-        sendRequestNoAck(request);
+        sendRequestNoAck(request, meta);
         DefaultRequestFuture defaultPushFuture = new DefaultRequestFuture(this.getConnectionId(), requestId, callBack,
                 new DefaultRequestFuture.TimeoutInnerTrigger() {
                     @Override
@@ -110,12 +91,44 @@ public class GrpcConnection extends Connection {
     }
     
     @Override
-    public void closeGrapcefully() {
+    public Response request(Request request, RequestMeta requestMeta) throws NacosException {
+        return request(request, requestMeta, 3000L);
+    }
+    
+    @Override
+    public Response request(Request request, RequestMeta requestMeta, long timeoutMills) throws NacosException {
+        DefaultRequestFuture pushFuture = (DefaultRequestFuture) sendRequestInner(request, requestMeta, null);
+        try {
+            return pushFuture.get(timeoutMills);
+        } catch (Exception e) {
+            throw new NacosException(NacosException.SERVER_ERROR, e);
+        } finally {
+            RpcAckCallbackSynchronizer.clearFuture(getConnectionId(), pushFuture.getRequestId());
+        }
+    }
+    
+    @Override
+    public RequestFuture requestFuture(Request request, RequestMeta requestMeta) throws NacosException {
+        return sendRequestInner(request, requestMeta, null);
+    }
+    
+    @Override
+    public void asyncRequest(Request request, RequestMeta requestMeta, RequestCallBack requestCallBack)
+            throws NacosException {
+        sendRequestInner(request, requestMeta, requestCallBack);
+    }
+    
+    @Override
+    public Map<String, String> getLabels() {
+        return null;
+    }
+    
+    @Override
+    public void close() {
         try {
             streamObserver.onCompleted();
         } catch (Exception e) {
             Loggers.RPC.debug(String.format("[%s] connection close exception  : %s", "grpc", e.getMessage()));
         }
     }
-    
 }

core/src/main/java/com/alibaba/nacos/core/remote/rsocket/RsocketConnection.java

@@ -23,9 +23,7 @@ import com.alibaba.nacos.api.remote.RpcScheduledExecutor;
 import com.alibaba.nacos.api.remote.request.Request;
 import com.alibaba.nacos.api.remote.request.RequestMeta;
 import com.alibaba.nacos.api.remote.response.Response;
-import com.alibaba.nacos.api.utils.NetUtils;
 import com.alibaba.nacos.common.remote.RsocketUtils;
-import com.alibaba.nacos.common.utils.VersionUtils;
 import com.alibaba.nacos.core.remote.Connection;
 import com.alibaba.nacos.core.remote.ConnectionMetaInfo;
 import com.alibaba.nacos.core.utils.Loggers;
@@ -34,6 +32,7 @@ import io.rsocket.RSocket;
 import reactor.core.publisher.Mono;
 
 import java.time.Duration;
+import java.util.Map;
 import java.util.concurrent.Callable;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
@@ -58,14 +57,30 @@ public class RsocketConnection extends Connection {
         this.clientSocket = clientSocket;
     }
     
-    @Override
+    private static <T> CompletableFuture<T> failAfter(final long timeouts) {
-    public Response sendRequest(Request request, long timeoutMills) throws NacosException {
+        final CompletableFuture<T> promise = new CompletableFuture<T>();
+        RpcScheduledExecutor.TIMEOUT_SHEDULER.schedule(new Callable<Object>() {
+            @Override
+            public Object call() throws Exception {
+                final TimeoutException ex = new TimeoutException("Timeout after " + timeouts);
+                return promise.completeExceptionally(ex);
+            }
+        }, timeouts, MILLISECONDS);
+        return promise;
+    }
     
+    @Override
+    public Response request(Request request, RequestMeta requestMeta) throws NacosException {
+        return request(request, requestMeta, 3000L);
+    }
+    
+    @Override
+    public Response request(Request request, RequestMeta requestMeta, long timeoutMills) throws NacosException {
         Loggers.RPC_DIGEST.debug(String.format("[%s] send request  : %s", "rsocket", request));
         
         try {
             Mono<Payload> payloadMono = clientSocket
-                    .requestResponse(RsocketUtils.convertRequestToPayload(request, buildMeta()));
+                    .requestResponse(RsocketUtils.convertRequestToPayload(request, requestMeta));
             Payload block = payloadMono.block(Duration.ofMillis(timeoutMills));
             return RsocketUtils.parseResponseFromPayload(block);
         } catch (Exception e) {
@@ -74,23 +89,10 @@ public class RsocketConnection extends Connection {
     }
     
     @Override
-    public void sendRequestNoAck(Request request) throws NacosException {
+    public RequestFuture requestFuture(Request request, RequestMeta requestMeta) throws NacosException {
-        Loggers.RPC_DIGEST.debug(String.format("[%s] send no ack request  : %s", "rsocket", request));
-        clientSocket.fireAndForget(RsocketUtils.convertRequestToPayload(request, buildMeta())).block();
-    }
-    
-    private RequestMeta buildMeta() {
-        RequestMeta meta = new RequestMeta();
-        meta.setClientVersion(VersionUtils.getFullClientVersion());
-        meta.setClientIp(NetUtils.localIP());
-        return meta;
-    }
-    
-    @Override
-    public RequestFuture sendRequestWithFuture(Request request) throws NacosException {
         Loggers.RPC_DIGEST.debug(String.format("[%s] send future request  : %s", "rsocket", request));
         final Mono<Payload> payloadMono = clientSocket
-                .requestResponse(RsocketUtils.convertRequestToPayload(request, buildMeta()));
+                .requestResponse(RsocketUtils.convertRequestToPayload(request, requestMeta));
         final CompletableFuture<Payload> payloadCompletableFuture = payloadMono.toFuture();
         
         RequestFuture defaultPushFuture = new RequestFuture() {
@@ -116,14 +118,14 @@ public class RsocketConnection extends Connection {
     }
     
     @Override
-    public void sendRequestWithCallBack(Request request, RequestCallBack requestCallBack) throws NacosException {
+    public void asyncRequest(Request request, RequestMeta requestMeta, RequestCallBack requestCallBack)
-    
+            throws NacosException {
         Loggers.RPC_DIGEST.debug(String.format("[%s] send callback request  : %s", "rsocket", request));
         
         try {
             Mono<Payload> response = clientSocket
-                    .requestResponse(RsocketUtils.convertRequestToPayload(request, buildMeta()));
+                    .requestResponse(RsocketUtils.convertRequestToPayload(request, requestMeta));
-    
+            
             response.toFuture().acceptEither(failAfter(requestCallBack.getTimeout()), new Consumer<Payload>() {
                 @Override
                 public void accept(Payload payload) {
@@ -139,20 +141,13 @@ public class RsocketConnection extends Connection {
         }
     }
     
-    private static <T> CompletableFuture<T> failAfter(final long timeouts) {
+    @Override
-        final CompletableFuture<T> promise = new CompletableFuture<T>();
+    public Map<String, String> getLabels() {
-        RpcScheduledExecutor.TIMEOUT_SHEDULER.schedule(new Callable<Object>() {
+        return null;
-            @Override
-            public Object call() throws Exception {
-                final TimeoutException ex = new TimeoutException("Timeout after " + timeouts);
-                return promise.completeExceptionally(ex);
-            }
-        }, timeouts, MILLISECONDS);
-        return promise;
     }
     
     @Override
-    public void closeGrapcefully() {
+    public void close() {
         if (clientSocket != null && !clientSocket.isDisposed()) {
             clientSocket.dispose();
         }

core/src/main/java/com/alibaba/nacos/core/remote/rsocket/RsocketRpcServer.java

@@ -22,8 +22,10 @@ import com.alibaba.nacos.api.remote.request.ConnectionSetupRequest;
 import com.alibaba.nacos.api.remote.request.RequestMeta;
 import com.alibaba.nacos.api.remote.response.PlainBodyResponse;
 import com.alibaba.nacos.api.remote.response.Response;
+import com.alibaba.nacos.api.utils.NetUtils;
 import com.alibaba.nacos.common.remote.ConnectionType;
 import com.alibaba.nacos.common.remote.RsocketUtils;
+import com.alibaba.nacos.common.utils.VersionUtils;
 import com.alibaba.nacos.core.remote.BaseRpcServer;
 import com.alibaba.nacos.core.remote.Connection;
 import com.alibaba.nacos.core.remote.ConnectionManager;
@@ -106,8 +108,8 @@ public class RsocketRpcServer extends BaseRpcServer {
                 if (connectionManager.isOverLimit()) {
                     //Not register to the connection manager if current server is over limit.
                     try {
-                        connection.sendRequestNoAck(new ConnectResetRequest());
+                        connection.request(new ConnectResetRequest(), buildMeta());
-                        connection.closeGrapcefully();
+                        connection.close();
                     } catch (Exception e) {
                         //Do nothing.
                     }
@@ -146,7 +148,7 @@ public class RsocketRpcServer extends BaseRpcServer {
                         connectionManager.unregister(connectionId);
                     }
                 });
-    
+        
                 RSocketProxy rSocketProxy = new NacosRsocket(sendingSocket, connectionid);
         
                 return Mono.just(rSocketProxy);
@@ -218,4 +220,11 @@ public class RsocketRpcServer extends BaseRpcServer {
             this.closeChannel.dispose();
         }
     }
+    
+    private RequestMeta buildMeta() {
+        RequestMeta meta = new RequestMeta();
+        meta.setClientVersion(VersionUtils.getFullClientVersion());
+        meta.setClientIp(NetUtils.localIP());
+        return meta;
+    }
 }

naming/src/main/java/com/alibaba/nacos/naming/cluster/remote/ClusterConnection.java

@@ -20,10 +20,13 @@ import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.api.remote.RequestCallBack;
 import com.alibaba.nacos.api.remote.RequestFuture;
 import com.alibaba.nacos.api.remote.request.Request;
+import com.alibaba.nacos.api.remote.request.RequestMeta;
 import com.alibaba.nacos.api.remote.response.Response;
 import com.alibaba.nacos.core.remote.Connection;
 import com.alibaba.nacos.core.remote.ConnectionMetaInfo;
 
+import java.util.Map;
+
 /**
  * Cluster connection.
  *
@@ -36,25 +39,33 @@ public class ClusterConnection extends Connection {
     }
     
     @Override
-    public Response sendRequest(Request request, long timeoutMills) throws NacosException {
+    public Response request(Request request, RequestMeta requestMeta) throws NacosException {
         return null;
     }
     
     @Override
-    public void sendRequestNoAck(Request request) throws NacosException {
+    public Response request(Request request, RequestMeta requestMeta, long timeoutMills) throws NacosException {
-    }
-    
-    @Override
-    public RequestFuture sendRequestWithFuture(Request request) throws NacosException {
         return null;
     }
     
     @Override
-    public void sendRequestWithCallBack(Request request, RequestCallBack callBack) throws NacosException {
+    public RequestFuture requestFuture(Request request, RequestMeta requestMeta) throws NacosException {
-    
+        return null;
     }
     
     @Override
-    public void closeGrapcefully() {
+    public void asyncRequest(Request request, RequestMeta requestMeta, RequestCallBack requestCallBack)
+            throws NacosException {
+        
+    }
+    
+    @Override
+    public Map<String, String> getLabels() {
+        return null;
+    }
+    
+    @Override
+    public void close() {
+    
     }
 }

pom.xml

@@ -150,7 +150,7 @@
         <jackson-databind.version>2.10.4</jackson-databind.version>
         <jackson-core-asl.version>1.9.13</jackson-core-asl.version>
         <jjwt.version>0.11.2</jjwt.version>
-        <netty-all.version>4.1.42.Final</netty-all.version>
+        <netty-all.version>4.1.51.Final</netty-all.version>
         <!--<netty-common.version>4.1.31.Final</netty-common.version>-->
         <mina-core.version>2.0.0-RC1</mina-core.version>
         <guava.version>24.1.1-jre</guava.version>