Merge branch 'upsteam-develop' into feature_support_grpc_core

# Conflicts:
#	client/src/main/java/com/alibaba/nacos/client/naming/NacosNamingService.java
#	client/src/main/resources/nacos-log4j2.xml
#	config/src/main/java/com/alibaba/nacos/config/server/service/notify/AsyncNotifyService.java
#	core/src/main/java/com/alibaba/nacos/core/cluster/MemberMetaDataConstants.java

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

@@ -167,4 +167,10 @@ public interface NamingMaintainService {
      */
     void updateService(Service service, AbstractSelector selector) throws NacosException;
     
+    /**
+     * Shutdown the resource service.
+     *
+     * @throws NacosException exception.
+     */
+    void shutDown() throws NacosException;
 }

api/src/main/resources/application.properties

@@ -1,16 +0,0 @@
-#
-# Copyright 1999-2018 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.
-#
-version=${project.version}

client/src/main/java/com/alibaba/nacos/client/logging/AbstractNacosLogging.java

@@ -19,6 +19,8 @@ package com.alibaba.nacos.client.logging;
 import com.alibaba.nacos.common.utils.ConvertUtils;
 import com.alibaba.nacos.common.utils.StringUtils;
 
+import java.io.File;
+
 /**
  * Abstract nacos logging.
  *
@@ -31,13 +33,13 @@ public abstract class AbstractNacosLogging {
     
     private static final String NACOS_LOGGING_DEFAULT_CONFIG_ENABLED_PROPERTY = "nacos.logging.default.config.enabled";
     
-    private static final String NACOS_LOGGING_PATH_PROPERTY = "nacos.logging.path";
+    private static final String NACOS_LOGGING_PATH_PROPERTY = "JM.LOG.PATH";
     
     static {
         String loggingPath = System.getProperty(NACOS_LOGGING_PATH_PROPERTY);
         if (StringUtils.isBlank(loggingPath)) {
             String userHome = System.getProperty("user.home");
-            System.setProperty(NACOS_LOGGING_PATH_PROPERTY, userHome + "/logs/nacos");
+            System.setProperty(NACOS_LOGGING_PATH_PROPERTY, userHome + File.separator + "logs");
         }
     }
     

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

@@ -161,4 +161,8 @@ public class NacosNamingMaintainService implements NamingMaintainService {
         serverProxy.updateService(service, selector);
     }
     
+    @Override
+    public void shutDown() throws NacosException {
+        serverProxy.shutdown();
+    }
 }

client/src/main/java/com/alibaba/nacos/client/naming/cache/ConcurrentDiskUtil.java

@@ -143,11 +143,12 @@ public class ConcurrentDiskUtil {
                 }
             } while (null == lock);
             
-            ByteBuffer sendBuffer = ByteBuffer.wrap(content.getBytes(charsetName));
+            byte[] contentBytes = content.getBytes(charsetName);
+            ByteBuffer sendBuffer = ByteBuffer.wrap(contentBytes);
             while (sendBuffer.hasRemaining()) {
                 channel.write(sendBuffer);
             }
-            channel.truncate(content.length());
+            channel.truncate(contentBytes.length);
         } catch (FileNotFoundException e) {
             throw new IOException("file not exist");
         } finally {

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

@@ -108,6 +108,9 @@ public class PushReceiver implements Runnable, Closeable {
                 udpSocket.send(new DatagramPacket(ack.getBytes(UTF_8), ack.getBytes(UTF_8).length,
                         packet.getSocketAddress()));
             } catch (Exception e) {
+                if (closed) {
+                    return;
+                }
                 NAMING_LOGGER.error("[NA] error while receiving push data", e);
             }
         }

client/src/main/java/com/alibaba/nacos/client/security/SecurityProxy.java

@@ -28,8 +28,6 @@ import com.fasterxml.jackson.databind.JsonNode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -127,13 +125,13 @@ public class SecurityProxy {
      * @param server server address
      * @return true if login successfully
      */
-    public boolean login(String server) throws UnsupportedEncodingException {
+    public boolean login(String server) {
         
         if (StringUtils.isNotBlank(username)) {
             Map<String, String> params = new HashMap<String, String>(2);
             Map<String, String> bodyMap = new HashMap<String, String>(2);
             params.put("username", username);
-            bodyMap.put("password", URLEncoder.encode(password, "utf-8"));
+            bodyMap.put("password", password);
             String url = "http://" + server + contextPath + LOGIN_URL;
             
             if (server.contains(Constants.HTTP_PREFIX)) {

client/src/main/java/com/alibaba/nacos/client/utils/ParamUtil.java

@@ -20,9 +20,9 @@ import com.alibaba.nacos.api.PropertyKeyConst;
 import com.alibaba.nacos.api.SystemPropertyKeyConst;
 import com.alibaba.nacos.api.common.Constants;
 import com.alibaba.nacos.common.utils.StringUtils;
+import com.alibaba.nacos.common.utils.VersionUtils;
 import org.slf4j.Logger;
 
-import java.io.InputStream;
 import java.util.Properties;
 import java.util.concurrent.Callable;
 import java.util.regex.Pattern;
@@ -80,19 +80,7 @@ public class ParamUtil {
         }
         LOGGER.info("[settings] [http-client] connect timeout:{}", connectTimeout);
         
-        try {
+        clientVersion = VersionUtils.version;
-            InputStream in = ValidatorUtils.class.getClassLoader().getResourceAsStream("application.properties");
-            Properties props = new Properties();
-            props.load(in);
-            String val = null;
-            val = props.getProperty("version");
-            if (val != null) {
-                clientVersion = val;
-            }
-            LOGGER.info("NACOS_CLIENT_VERSION: {}", clientVersion);
-        } catch (Exception e) {
-            LOGGER.error("[500] read application.properties", e);
-        }
         
         try {
             perTaskConfigSize = Double.valueOf(System.getProperty("PER_TASK_CONFIG_SIZE", "3000"));

client/src/main/resources/application.properties

@@ -1,16 +0,0 @@
-#
-# Copyright 1999-2018 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.
-#
-version=${project.version}

client/src/main/resources/nacos-log4j2.xml

@@ -17,8 +17,8 @@
 
 <Configuration status="WARN">
     <Appenders>
-        <RollingFile name="CONFIG_LOG_FILE" fileName="${sys:nacos.logging.path}/config.log"
+        <RollingFile name="CONFIG_LOG_FILE" fileName="${sys:JM.LOG.PATH}/nacos/config.log"
-            filePattern="${sys:nacos.logging.path}/config.log.%d{yyyy-MM-dd}.%i">
+            filePattern="${sys:JM.LOG.PATH}/nacos/config.log.%d{yyyy-MM-dd}.%i">
             <PatternLayout>
                 <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %p [%-5t:%c{2}] %m%n</Pattern>
             </PatternLayout>
@@ -31,8 +31,8 @@
             <DefaultRolloverStrategy max="${sys:JM.LOG.RETAIN.COUNT:-7}"/>
         </RollingFile>
     
-        <RollingFile name="REMOTE_LOG_FILE" fileName="${sys:nacos.logging.path}/rpc.log"
+        <RollingFile name="REMOTE_LOG_FILE" fileName="${sys:JM.LOG.PATH}/rpc.log"
-            filePattern="${sys:nacos.logging.path}/rpc.log.%d{yyyy-MM-dd}.%i">
+            filePattern="${sys:JM.LOG.PATH}/rpc.log.%d{yyyy-MM-dd}.%i">
             <PatternLayout>
                 <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %p [%-5t:%c{2}] %m%n</Pattern>
             </PatternLayout>
@@ -45,8 +45,8 @@
             <DefaultRolloverStrategy max="${sys:JM.LOG.RETAIN.COUNT:-7}"/>
         </RollingFile>
     
-        <RollingFile name="GRPC_LOG_FILE" fileName="${sys:nacos.logging.path}/grpc.log"
+        <RollingFile name="GRPC_LOG_FILE" fileName="${sys:JM.LOG.PATH}/grpc.log"
-            filePattern="${sys:nacos.logging.path}/grpc.log.%d{yyyy-MM-dd}.%i">
+            filePattern="${sys:JM.LOG.PATH}/grpc.log.%d{yyyy-MM-dd}.%i">
             <PatternLayout>
                 <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %p [%-5t:%c{2}] %m%n</Pattern>
             </PatternLayout>
@@ -59,9 +59,8 @@
             <DefaultRolloverStrategy max="${sys:JM.LOG.RETAIN.COUNT:-7}"/>
         </RollingFile>
         
-
+        <RollingFile name="NAMING_LOG_FILE" fileName="${sys:JM.LOG.PATH}/nacos/naming.log"
-        <RollingFile name="NAMING_LOG_FILE" fileName="${sys:nacos.logging.path}/naming.log"
+            filePattern="${sys:JM.LOG.PATH}/nacos/naming.log.%d{yyyy-MM-dd}.%i">
-            filePattern="${sys:nacos.logging.path}/naming.log.%d{yyyy-MM-dd}.%i">
             <PatternLayout>
                 <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %p [%-5t:%c{2}] %m%n</Pattern>
             </PatternLayout>

client/src/main/resources/nacos-logback.xml

@@ -19,10 +19,10 @@
     <contextName>nacos</contextName>
     
     <appender name="CONFIG_LOG_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
-        <file>${nacos.logging.path}/config.log</file>
+        <file>${JM.LOG.PATH}/nacos/config.log</file>
         
         <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
-            <fileNamePattern>${nacos.logging.path}/config.log.%i</fileNamePattern>
+            <fileNamePattern>${JM.LOG.PATH}/nacos/config.log.%i</fileNamePattern>
             <maxIndex>${JM.LOG.RETAIN.COUNT:-7}</maxIndex>
         </rollingPolicy>
         
@@ -36,10 +36,10 @@
     </appender>
     
     <appender name="NAMING_LOG_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
-        <file>${nacos.logging.path}/naming.log</file>
+        <file>${JM.LOG.PATH}/nacos/naming.log</file>
         
         <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
-            <fileNamePattern>${nacos.logging.path}/naming.log.%i</fileNamePattern>
+            <fileNamePattern>${JM.LOG.PATH}/nacos/naming.log.%i</fileNamePattern>
             <maxIndex>${JM.LOG.RETAIN.COUNT:-7}</maxIndex>
         </rollingPolicy>
         

client/src/test/java/com/alibaba/nacos/client/naming/cache/DiskCacheTest.java

@@ -47,6 +47,7 @@ public class DiskCacheTest {
         instance.setIp("1.1.1.1");
         instance.setPort(1234);
         instance.setServiceName("testName");
+        instance.addMetadata("chinese", "中文");
         serviceInfo.setHosts(Collections.singletonList(instance));
     }
     
@@ -87,9 +88,10 @@ public class DiskCacheTest {
     }
     
     private void assertInstance(Instance actual, Instance expected) {
-        assertEquals(actual.getServiceName(), actual.getServiceName());
+        assertEquals(actual.getServiceName(), expected.getServiceName());
-        assertEquals(actual.getClusterName(), actual.getClusterName());
+        assertEquals(actual.getClusterName(), expected.getClusterName());
-        assertEquals(actual.getIp(), actual.getIp());
+        assertEquals(actual.getIp(), expected.getIp());
-        assertEquals(actual.getPort(), actual.getPort());
+        assertEquals(actual.getPort(), expected.getPort());
+        assertEquals(actual.getMetadata(), expected.getMetadata());
     }
 }

common/src/main/java/com/alibaba/nacos/common/task/AbstractExecuteTask.java

@@ -21,7 +21,7 @@ package com.alibaba.nacos.common.task;
  *
  * @author xiweng.yy
  */
-public abstract class AbstractExecuteTask implements NacosTask {
+public abstract class AbstractExecuteTask implements NacosTask, Runnable {
     
     @Override
     public boolean shouldProcess() {

common/src/main/java/com/alibaba/nacos/common/task/NacosTaskProcessor.java

@@ -29,5 +29,5 @@ public interface NacosTaskProcessor {
      * @param task     task.
      * @return process task result.
      */
-    boolean process(AbstractDelayTask task);
+    boolean process(NacosTask task);
 }

common/src/main/java/com/alibaba/nacos/common/task/engine/AbstractNacosTaskExecuteEngine.java

@@ -16,20 +16,13 @@
 
 package com.alibaba.nacos.common.task.engine;
 
-import com.alibaba.nacos.api.exception.NacosException;
-import com.alibaba.nacos.common.executor.ExecutorFactory;
-import com.alibaba.nacos.common.executor.NameThreadFactory;
 import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.locks.ReentrantLock;
 
 /**
  * Abstract nacos task execute engine.
@@ -40,57 +33,12 @@ public abstract class AbstractNacosTaskExecuteEngine<T extends NacosTask> implem
     
     private final Logger log;
     
-    private final ScheduledExecutorService processingExecutor;
-    
     private final ConcurrentHashMap<Object, NacosTaskProcessor> taskProcessors = new ConcurrentHashMap<Object, NacosTaskProcessor>();
     
-    protected final ConcurrentHashMap<Object, T> tasks;
-    
-    protected final ReentrantLock lock = new ReentrantLock();
-    
     private NacosTaskProcessor defaultTaskProcessor;
     
-    public AbstractNacosTaskExecuteEngine(String name) {
+    public AbstractNacosTaskExecuteEngine(Logger logger) {
-        this(name, 32, null, 100L);
-    }
-    
-    public AbstractNacosTaskExecuteEngine(String name, Logger logger) {
-        this(name, 32, logger, 100L);
-    }
-    
-    public AbstractNacosTaskExecuteEngine(String name, Logger logger, long processInterval) {
-        this(name, 32, logger, processInterval);
-    }
-    
-    public AbstractNacosTaskExecuteEngine(String name, int initCapacity, Logger logger) {
-        this(name, initCapacity, logger, 100L);
-    }
-    
-    public AbstractNacosTaskExecuteEngine(String name, int initCapacity, Logger logger, long processInterval) {
         this.log = null != logger ? logger : LoggerFactory.getLogger(AbstractNacosTaskExecuteEngine.class.getName());
-        tasks = new ConcurrentHashMap<Object, T>(initCapacity);
-        processingExecutor = ExecutorFactory.newSingleScheduledExecutorService(new NameThreadFactory(name));
-        processingExecutor.scheduleWithFixedDelay(new ProcessRunnable(), processInterval, processInterval, TimeUnit.MILLISECONDS);
-    }
-    
-    @Override
-    public int size() {
-        lock.lock();
-        try {
-            return tasks.size();
-        } finally {
-            lock.unlock();
-        }
-    }
-    
-    @Override
-    public boolean isEmpty() {
-        lock.lock();
-        try {
-            return tasks.isEmpty();
-        } finally {
-            lock.unlock();
-        }
     }
     
     @Override
@@ -118,56 +66,7 @@ public abstract class AbstractNacosTaskExecuteEngine<T extends NacosTask> implem
         this.defaultTaskProcessor = defaultTaskProcessor;
     }
     
-    @Override
-    public T removeTask(Object key) {
-        lock.lock();
-        try {
-            T task = tasks.get(key);
-            if (null != task && task.shouldProcess()) {
-                return tasks.remove(key);
-            } else {
-                return null;
-            }
-        } finally {
-            lock.unlock();
-        }
-    }
-    
-    @Override
-    public Collection<Object> getAllTaskKeys() {
-        Collection<Object> keys = new HashSet<Object>();
-        lock.lock();
-        try {
-            keys.addAll(tasks.keySet());
-        } finally {
-            lock.unlock();
-        }
-        return keys;
-    }
-    
-    @Override
-    public void shutdown() throws NacosException {
-        processingExecutor.shutdown();
-    }
-    
     protected Logger getEngineLog() {
         return log;
     }
-    
-    /**
-     * process tasks in execute engine.
-     */
-    protected abstract void processTasks();
-    
-    private class ProcessRunnable implements Runnable {
-    
-        @Override
-        public void run() {
-            try {
-                AbstractNacosTaskExecuteEngine.this.processTasks();
-            } catch (Throwable e) {
-                log.error(e.toString(), e);
-            }
-        }
-    }
 }

common/src/main/java/com/alibaba/nacos/common/task/engine/NacosDelayTaskExecuteEngine.java

@@ -16,11 +16,19 @@
 
 package com.alibaba.nacos.common.task.engine;
 
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.common.executor.ExecutorFactory;
+import com.alibaba.nacos.common.executor.NameThreadFactory;
 import com.alibaba.nacos.common.task.AbstractDelayTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import org.slf4j.Logger;
 
 import java.util.Collection;
+import java.util.HashSet;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.locks.ReentrantLock;
 
 /**
  * Nacos delay task execute engine.
@@ -29,27 +37,105 @@ import java.util.Collection;
  */
 public class NacosDelayTaskExecuteEngine extends AbstractNacosTaskExecuteEngine<AbstractDelayTask> {
     
+    private final ScheduledExecutorService processingExecutor;
+    
+    protected final ConcurrentHashMap<Object, AbstractDelayTask> tasks;
+    
+    protected final ReentrantLock lock = new ReentrantLock();
+    
     public NacosDelayTaskExecuteEngine(String name) {
-        super(name);
+        this(name, null);
     }
     
     public NacosDelayTaskExecuteEngine(String name, Logger logger) {
-        super(name, logger);
+        this(name, 32, logger, 100L);
     }
     
     public NacosDelayTaskExecuteEngine(String name, Logger logger, long processInterval) {
-        super(name, logger, processInterval);
+        this(name, 32, logger, processInterval);
     }
     
     public NacosDelayTaskExecuteEngine(String name, int initCapacity, Logger logger) {
-        super(name, initCapacity, logger);
+        this(name, initCapacity, logger, 100L);
     }
     
     public NacosDelayTaskExecuteEngine(String name, int initCapacity, Logger logger, long processInterval) {
-        super(name, initCapacity, logger, processInterval);
+        super(logger);
+        tasks = new ConcurrentHashMap<Object, AbstractDelayTask>(initCapacity);
+        processingExecutor = ExecutorFactory.newSingleScheduledExecutorService(new NameThreadFactory(name));
+        processingExecutor
+                .scheduleWithFixedDelay(new ProcessRunnable(), processInterval, processInterval, TimeUnit.MILLISECONDS);
     }
     
     @Override
+    public int size() {
+        lock.lock();
+        try {
+            return tasks.size();
+        } finally {
+            lock.unlock();
+        }
+    }
+    
+    @Override
+    public boolean isEmpty() {
+        lock.lock();
+        try {
+            return tasks.isEmpty();
+        } finally {
+            lock.unlock();
+        }
+    }
+    
+    @Override
+    public AbstractDelayTask removeTask(Object key) {
+        lock.lock();
+        try {
+            AbstractDelayTask task = tasks.get(key);
+            if (null != task && task.shouldProcess()) {
+                return tasks.remove(key);
+            } else {
+                return null;
+            }
+        } finally {
+            lock.unlock();
+        }
+    }
+    
+    @Override
+    public Collection<Object> getAllTaskKeys() {
+        Collection<Object> keys = new HashSet<Object>();
+        lock.lock();
+        try {
+            keys.addAll(tasks.keySet());
+        } finally {
+            lock.unlock();
+        }
+        return keys;
+    }
+    
+    @Override
+    public void shutdown() throws NacosException {
+        processingExecutor.shutdown();
+    }
+    
+    @Override
+    public void addTask(Object key, AbstractDelayTask newTask) {
+        lock.lock();
+        try {
+            AbstractDelayTask existTask = tasks.get(key);
+            if (null != existTask) {
+                newTask.merge(existTask);
+            }
+            tasks.put(key, newTask);
+        } finally {
+            lock.unlock();
+        }
+    }
+    
+    /**
+     * process tasks in execute engine.
+     */
     protected void processTasks() {
         Collection<Object> keys = getAllTaskKeys();
         for (Object taskKey : keys) {
@@ -74,22 +160,20 @@ public class NacosDelayTaskExecuteEngine extends AbstractNacosTaskExecuteEngine<
         }
     }
     
-    @Override
-    public void addTask(Object key, AbstractDelayTask newTask) {
-        lock.lock();
-        try {
-            AbstractDelayTask existTask = tasks.get(key);
-            if (null != existTask) {
-                newTask.merge(existTask);
-            }
-            tasks.put(key, newTask);
-        } finally {
-            lock.unlock();
-        }
-    }
-    
     private void retryFailedTask(Object key, AbstractDelayTask task) {
         task.setLastProcessTime(System.currentTimeMillis());
         addTask(key, task);
     }
+    
+    private class ProcessRunnable implements Runnable {
+        
+        @Override
+        public void run() {
+            try {
+                processTasks();
+            } catch (Throwable e) {
+                getEngineLog().error(e.toString(), e);
+            }
+        }
+    }
 }

common/src/main/java/com/alibaba/nacos/common/task/engine/NacosExecuteTaskExecuteEngine.java

@@ -0,0 +1,111 @@
+/*
+ * Copyright 1999-2018 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.task.engine;
+
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.common.task.AbstractExecuteTask;
+import com.alibaba.nacos.common.task.NacosTaskProcessor;
+import com.alibaba.nacos.common.utils.ThreadUtils;
+import org.slf4j.Logger;
+
+import java.util.Collection;
+
+/**
+ * Nacos execute task execute engine.
+ *
+ * @author xiweng.yy
+ */
+public class NacosExecuteTaskExecuteEngine extends AbstractNacosTaskExecuteEngine<AbstractExecuteTask> {
+    
+    private final TaskExecuteWorker[] executeWorkers;
+    
+    public NacosExecuteTaskExecuteEngine(String name, Logger logger) {
+        this(name, logger, ThreadUtils.getSuitableThreadCount(1));
+    }
+    
+    public NacosExecuteTaskExecuteEngine(String name, Logger logger, int dispatchWorkerCount) {
+        super(logger);
+        executeWorkers = new TaskExecuteWorker[dispatchWorkerCount];
+        for (int mod = 0; mod < dispatchWorkerCount; ++mod) {
+            executeWorkers[mod] = new TaskExecuteWorker(name, mod, dispatchWorkerCount, getEngineLog());
+        }
+    }
+    
+    @Override
+    public int size() {
+        int result = 0;
+        for (TaskExecuteWorker each : executeWorkers) {
+            result += each.pendingTaskCount();
+        }
+        return result;
+    }
+    
+    @Override
+    public boolean isEmpty() {
+        return 0 == size();
+    }
+    
+    @Override
+    public void addTask(Object tag, AbstractExecuteTask task) {
+        NacosTaskProcessor processor = getProcessor(tag);
+        if (null != processor) {
+            processor.process(task);
+            return;
+        }
+        TaskExecuteWorker worker = getWorker(tag);
+        worker.process(task);
+    }
+    
+    private TaskExecuteWorker getWorker(Object tag) {
+        int idx = (tag.hashCode() & Integer.MAX_VALUE) % workersCount();
+        return executeWorkers[idx];
+    }
+    
+    private int workersCount() {
+        return executeWorkers.length;
+    }
+    
+    @Override
+    public AbstractExecuteTask removeTask(Object key) {
+        throw new UnsupportedOperationException("ExecuteTaskEngine do not support remove task");
+    }
+    
+    @Override
+    public Collection<Object> getAllTaskKeys() {
+        throw new UnsupportedOperationException("ExecuteTaskEngine do not support get all task keys");
+    }
+    
+    @Override
+    public void shutdown() throws NacosException {
+        for (TaskExecuteWorker each : executeWorkers) {
+            each.shutdown();
+        }
+    }
+    
+    /**
+     * Get workers status.
+     *
+     * @return workers status string
+     */
+    public String workersStatus() {
+        StringBuilder sb = new StringBuilder();
+        for (TaskExecuteWorker worker : executeWorkers) {
+            sb.append(worker.status()).append("\n");
+        }
+        return sb.toString();
+    }
+}

common/src/main/java/com/alibaba/nacos/common/task/engine/TaskExecuteWorker.java

@@ -14,41 +14,49 @@
  * limitations under the License.
  */
 
-package com.alibaba.nacos.core.distributed.distro.task.execute;
+package com.alibaba.nacos.common.task.engine;
 
 import com.alibaba.nacos.api.exception.NacosException;
 import com.alibaba.nacos.common.lifecycle.Closeable;
+import com.alibaba.nacos.common.task.AbstractExecuteTask;
+import com.alibaba.nacos.common.task.NacosTask;
+import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.BlockingQueue;
-import java.util.concurrent.Callable;
-import java.util.concurrent.Future;
-import java.util.concurrent.FutureTask;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
- * Distro execute worker.
+ * Nacos execute task execute worker.
  *
  * @author xiweng.yy
  */
-public final class DistroExecuteWorker implements Closeable {
+public final class TaskExecuteWorker implements NacosTaskProcessor, Closeable {
     
-    private static final Logger LOGGER = LoggerFactory.getLogger(DistroExecuteWorker.class);
+    /**
+     * Max task queue size 32768.
+     */
+    private static final int QUEUE_CAPACITY = 1 << 15;
     
-    private static final int QUEUE_CAPACITY = 50000;
+    private final Logger log;
-    
-    private final BlockingQueue<Runnable> queue;
     
     private final String name;
     
+    private final BlockingQueue<Runnable> queue;
+    
     private final AtomicBoolean closed;
     
-    public DistroExecuteWorker(final int mod, final int total) {
+    public TaskExecuteWorker(final String name, final int mod, final int total) {
-        name = getClass().getName() + "_" + mod + "%" + total;
+        this(name, mod, total, null);
-        queue = new ArrayBlockingQueue<>(QUEUE_CAPACITY);
+    }
-        closed = new AtomicBoolean(false);
+    
+    public TaskExecuteWorker(final String name, final int mod, final int total, final Logger logger) {
+        this.name = name + "_" + mod + "%" + total;
+        this.queue = new ArrayBlockingQueue<Runnable>(QUEUE_CAPACITY);
+        this.closed = new AtomicBoolean(false);
+        this.log = null == logger ? LoggerFactory.getLogger(TaskExecuteWorker.class) : logger;
         new InnerWorker(name).start();
     }
     
@@ -56,27 +64,19 @@ public final class DistroExecuteWorker implements Closeable {
         return name;
     }
     
-    /**
+    @Override
-     * Execute task without result.
+    public boolean process(NacosTask task) {
-     */
+        if (task instanceof AbstractExecuteTask) {
-    public void execute(Runnable task) {
+            putTask((Runnable) task);
-        putTask(task);
+        }
-    }
+        return true;
-
-    /**
-     * Execute task with a result.
-     */
-    public <V> Future<V> execute(Callable<V> task) {
-        FutureTask<V> future = new FutureTask(task);
-        putTask(future);
-        return future;
     }
     
     private void putTask(Runnable task) {
         try {
             queue.put(task);
         } catch (InterruptedException ire) {
-            LOGGER.error(ire.toString(), ire);
+            log.error(ire.toString(), ire);
         }
     }
     
@@ -116,10 +116,10 @@ public final class DistroExecuteWorker implements Closeable {
                     task.run();
                     long duration = System.currentTimeMillis() - begin;
                     if (duration > 1000L) {
-                        LOGGER.warn("distro task {} takes {}ms", task, duration);
+                        log.warn("distro task {} takes {}ms", task, duration);
                     }
                 } catch (Throwable e) {
-                    LOGGER.error("[DISTRO-FAILED] " + e.toString(), e);
+                    log.error("[DISTRO-FAILED] " + e.toString(), e);
                 }
             }
         }

common/src/main/java/com/alibaba/nacos/common/utils/ThreadUtils.java

@@ -94,9 +94,19 @@ public final class ThreadUtils {
      * @return thread count
      */
     public static int getSuitableThreadCount() {
+        return getSuitableThreadCount(THREAD_MULTIPLER);
+    }
+    
+    /**
+     * Through the number of cores, calculate the appropriate number of threads.
+     *
+     * @param threadMultiple multiple time of cores
+     * @return thread count
+     */
+    public static int getSuitableThreadCount(int threadMultiple) {
         final int coreCount = Runtime.getRuntime().availableProcessors();
         int workerCount = 1;
-        while (workerCount < coreCount * THREAD_MULTIPLER) {
+        while (workerCount < coreCount * threadMultiple) {
             workerCount <<= 1;
         }
         return workerCount;

common/src/test/java/com/alibaba/nacos/common/task/engine/NacosExecuteTaskExecuteEngineTest.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 1999-2018 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.task.engine;
+
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.common.task.AbstractExecuteTask;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.verify;
+
+@RunWith(MockitoJUnitRunner.class)
+public class NacosExecuteTaskExecuteEngineTest {
+    
+    private NacosExecuteTaskExecuteEngine executeTaskExecuteEngine;
+    
+    @Before
+    public void setUp() {
+        executeTaskExecuteEngine = new NacosExecuteTaskExecuteEngine("TEST", null);
+    }
+    
+    @After
+    public void tearDown() throws NacosException {
+        executeTaskExecuteEngine.shutdown();
+    }
+    
+    @Mock
+    private AbstractExecuteTask task;
+    
+    @Test
+    public void testAddTask() {
+        executeTaskExecuteEngine.addTask("test", task);
+        verify(task).run();
+        assertTrue(executeTaskExecuteEngine.isEmpty());
+        assertEquals(0, executeTaskExecuteEngine.size());
+    }
+}

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

@@ -43,6 +43,7 @@ import com.alibaba.nacos.config.server.service.trace.ConfigTraceService;
 import com.alibaba.nacos.config.server.utils.MD5Util;
 import com.alibaba.nacos.config.server.utils.ParamUtils;
 import com.alibaba.nacos.config.server.utils.RequestUtil;
+import com.alibaba.nacos.config.server.utils.NamespaceUtil;
 import com.alibaba.nacos.config.server.utils.TimeUtils;
 import com.alibaba.nacos.config.server.utils.ZipUtils;
 import com.alibaba.nacos.sys.utils.InetUtils;
@@ -90,8 +91,6 @@ public class ConfigController {
     
     private static final Logger LOGGER = LoggerFactory.getLogger(ConfigController.class);
     
-    private static final String NAMESPACE_PUBLIC_KEY = "public";
-    
     private static final String EXPORT_CONFIG_FILE_NAME = "nacos_config_export_";
     
     private static final String EXPORT_CONFIG_FILE_NAME_EXT = ".zip";
@@ -175,7 +174,7 @@ public class ConfigController {
                     .notifyConfigChange(new ConfigDataChangeEvent(true, dataId, group, tenant, time.getTime()));
         }
         ConfigTraceService
-                .logPersistenceEvent(dataId, group, tenant, requestIpApp, time.getTime(), InetUtils.getSelfIp(),
+                .logPersistenceEvent(dataId, group, tenant, requestIpApp, time.getTime(), InetUtils.getSelfIP(),
                         ConfigTraceService.PERSISTENCE_EVENT_PUB, content);
         return true;
     }
@@ -196,7 +195,7 @@ public class ConfigController {
             throws IOException, ServletException, NacosException {
         // check tenant
         ParamUtils.checkTenant(tenant);
-        tenant = processTenant(tenant);
+        tenant = NamespaceUtil.processNamespaceParameter(tenant);
         // check params
         ParamUtils.checkParam(dataId, group, "datumId", "content");
         ParamUtils.checkParam(tag);
@@ -469,7 +468,7 @@ public class ConfigController {
             @RequestParam(value = "tenant", required = false, defaultValue = StringUtils.EMPTY) String tenant,
             @RequestParam(value = "ids", required = false) List<Long> ids) {
         ids.removeAll(Collections.singleton(null));
-        tenant = processTenant(tenant);
+        tenant = NamespaceUtil.processNamespaceParameter(tenant);
         List<ConfigAllInfo> dataList = persistService.findAllConfigInfo4Export(dataId, group, tenant, appName, ids);
         List<ZipUtils.ZipItem> zipItemList = new ArrayList<>();
         StringBuilder metaData = null;
@@ -527,12 +526,12 @@ public class ConfigController {
             return ResultBuilder.buildResult(ResultCodeEnum.DATA_EMPTY, failedData);
         }
         
-        if (StringUtils.isNotBlank(namespace)) {
+        namespace = NamespaceUtil.processNamespaceParameter(namespace);
-            if (persistService.tenantInfoCountByTenantId(namespace) <= 0) {
+        if (StringUtils.isNotBlank(namespace) && persistService.tenantInfoCountByTenantId(namespace) <= 0) {
-                failedData.put("succCount", 0);
+            failedData.put("succCount", 0);
-                return ResultBuilder.buildResult(ResultCodeEnum.NAMESPACE_NOT_EXIST, failedData);
+            return ResultBuilder.buildResult(ResultCodeEnum.NAMESPACE_NOT_EXIST, failedData);
-            }
         }
+        
         List<ConfigAllInfo> configInfoList = null;
         try {
             ZipUtils.UnZipResult unziped = ZipUtils.unzip(file.getBytes());
@@ -598,7 +597,7 @@ public class ConfigController {
                             configInfo.getTenant(), time.getTime()));
             ConfigTraceService
                     .logPersistenceEvent(configInfo.getDataId(), configInfo.getGroup(), configInfo.getTenant(),
-                            requestIpApp, time.getTime(), InetUtils.getSelfIp(),
+                            requestIpApp, time.getTime(), InetUtils.getSelfIP(),
                             ConfigTraceService.PERSISTENCE_EVENT_PUB, configInfo.getContent());
         }
         return ResultBuilder.buildSuccessResult("导入成功", saveResult);
@@ -629,9 +628,8 @@ public class ConfigController {
         }
         configBeansList.removeAll(Collections.singleton(null));
     
-        if (NAMESPACE_PUBLIC_KEY.equalsIgnoreCase(namespace)) {
+        namespace = NamespaceUtil.processNamespaceParameter(namespace);
-            namespace = "";
+        if (StringUtils.isNotBlank(namespace) && persistService.tenantInfoCountByTenantId(namespace) <= 0) {
-        } else if (persistService.tenantInfoCountByTenantId(namespace) <= 0) {
             failedData.put("succCount", 0);
             return ResultBuilder.buildResult(ResultCodeEnum.NAMESPACE_NOT_EXIST, failedData);
         }
@@ -684,17 +682,10 @@ public class ConfigController {
                             configInfo.getTenant(), time.getTime()));
             ConfigTraceService
                     .logPersistenceEvent(configInfo.getDataId(), configInfo.getGroup(), configInfo.getTenant(),
-                            requestIpApp, time.getTime(), InetUtils.getSelfIp(),
+                            requestIpApp, time.getTime(), InetUtils.getSelfIP(),
                             ConfigTraceService.PERSISTENCE_EVENT_PUB, configInfo.getContent());
         }
         return ResultBuilder.buildSuccessResult("Clone Completed Successfully", saveResult);
     }
     
-    private String processTenant(String tenant) {
-        if (StringUtils.isEmpty(tenant) || NAMESPACE_PUBLIC_KEY.equalsIgnoreCase(tenant)) {
-            return "";
-        }
-        return tenant;
-    }
-    
 }

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

@@ -69,7 +69,7 @@ public class HealthController {
                 sb.append("master db (").append(dbStatus.split(":")[1]).append(") down. ");
             }
             if (!memberManager.isInIpList()) {
-                sb.append("server ip ").append(InetUtils.getSelfIp())
+                sb.append("server ip ").append(InetUtils.getSelfIP())
                         .append(" is not in the serverList of address server. ");
             }
         }

config/src/main/java/com/alibaba/nacos/config/server/manager/TaskManager.java

@@ -44,10 +44,6 @@ public final class TaskManager extends NacosDelayTaskExecuteEngine implements Ta
     
     Condition notEmpty = this.lock.newCondition();
     
-    public TaskManager() {
-        this(null);
-    }
-    
     public TaskManager(String name) {
         super(name, LOGGER, 100L);
         this.name = name;

config/src/main/java/com/alibaba/nacos/config/server/model/app/ApplicationInfo.java

@@ -102,7 +102,7 @@ public class ApplicationInfo {
      */
     public boolean canCurrentServerOwnTheLock() {
         boolean currentOwnerIsMe =
-                subInfoCollectLockOwner == null || InetUtils.getSelfIp().equals(subInfoCollectLockOwner);
+                subInfoCollectLockOwner == null || InetUtils.getSelfIP().equals(subInfoCollectLockOwner);
         
         if (currentOwnerIsMe) {
             return true;
@@ -115,7 +115,7 @@ public class ApplicationInfo {
     }
     
     public String currentServer() {
-        return InetUtils.getSelfIp();
+        return InetUtils.getSelfIP();
     }
     
 }

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

@@ -419,7 +419,7 @@ public abstract class DumpService {
                         }
                     } else {
                         // remove config info
-                        persistService.removeConfigInfo(dataId, group, tenant, InetUtils.getSelfIp(), null);
+                        persistService.removeConfigInfo(dataId, group, tenant, InetUtils.getSelfIP(), null);
                         LOGGER.warn(
                                 "[merge-delete] delete config info because no datum. dataId=" + dataId + ", groupId="
                                         + group);

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

@@ -16,7 +16,7 @@
 
 package com.alibaba.nacos.config.server.service.dump.processor;
 
-import com.alibaba.nacos.common.task.AbstractDelayTask;
+import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import com.alibaba.nacos.config.server.model.ConfigInfoBetaWrapper;
 import com.alibaba.nacos.config.server.model.Page;
@@ -43,7 +43,7 @@ public class DumpAllBetaProcessor implements NacosTaskProcessor {
     }
     
     @Override
-    public boolean process(AbstractDelayTask task) {
+    public boolean process(NacosTask task) {
         int rowCount = persistService.configInfoBetaCount();
         int pageCount = (int) Math.ceil(rowCount * 1.0 / PAGE_SIZE);
         

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

@@ -16,9 +16,9 @@
 
 package com.alibaba.nacos.config.server.service.dump.processor;
 
+import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
-import com.alibaba.nacos.common.task.AbstractDelayTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import com.alibaba.nacos.config.server.model.ConfigInfoWrapper;
 import com.alibaba.nacos.config.server.model.Page;
@@ -47,7 +47,7 @@ public class DumpAllProcessor implements NacosTaskProcessor {
     }
     
     @Override
-    public boolean process(AbstractDelayTask task) {
+    public boolean process(NacosTask task) {
         long currentMaxId = persistService.findConfigMaxId();
         long lastMaxId = 0;
         while (lastMaxId < currentMaxId) {

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

@@ -16,7 +16,7 @@
 
 package com.alibaba.nacos.config.server.service.dump.processor;
 
-import com.alibaba.nacos.common.task.AbstractDelayTask;
+import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import com.alibaba.nacos.config.server.model.ConfigInfoTagWrapper;
 import com.alibaba.nacos.config.server.model.Page;
@@ -42,7 +42,7 @@ public class DumpAllTagProcessor implements NacosTaskProcessor {
     }
     
     @Override
-    public boolean process(AbstractDelayTask task) {
+    public boolean process(NacosTask task) {
         int rowCount = persistService.configInfoTagCount();
         int pageCount = (int) Math.ceil(rowCount * 1.0 / PAGE_SIZE);
         

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

@@ -16,9 +16,9 @@
 
 package com.alibaba.nacos.config.server.service.dump.processor;
 
+import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.common.utils.MD5Utils;
 import com.alibaba.nacos.config.server.constant.Constants;
-import com.alibaba.nacos.common.task.AbstractDelayTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import com.alibaba.nacos.config.server.model.ConfigInfo;
 import com.alibaba.nacos.config.server.model.ConfigInfoWrapper;
@@ -47,7 +47,7 @@ public class DumpChangeProcessor implements NacosTaskProcessor {
     }
     
     @Override
-    public boolean process(AbstractDelayTask task) {
+    public boolean process(NacosTask task) {
         LogUtil.DEFAULT_LOG.warn("quick start; startTime:{},endTime:{}", startTime, endTime);
         LogUtil.DEFAULT_LOG.warn("updateMd5 start");
         long startUpdateMd5 = System.currentTimeMillis();

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

@@ -16,7 +16,7 @@
 
 package com.alibaba.nacos.config.server.service.dump.processor;
 
-import com.alibaba.nacos.common.task.AbstractDelayTask;
+import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import com.alibaba.nacos.config.server.model.ConfigInfo;
 import com.alibaba.nacos.config.server.model.ConfigInfo4Beta;
@@ -44,7 +44,7 @@ public class DumpProcessor implements NacosTaskProcessor {
     }
     
     @Override
-    public boolean process(AbstractDelayTask task) {
+    public boolean process(NacosTask task) {
         final PersistService persistService = dumpService.getPersistService();
         DumpTask dumpTask = (DumpTask) task;
         String[] pair = GroupKey2.parseKey(dumpTask.getGroupKey());

config/src/main/java/com/alibaba/nacos/config/server/service/merge/MergeDatumService.java

@@ -106,7 +106,7 @@ public class MergeDatumService {
             return;
         }
         for (ConfigInfoChanged item : persistService.findAllAggrGroup()) {
-            addMergeTask(item.getDataId(), item.getGroup(), item.getTenant(), InetUtils.getSelfIp());
+            addMergeTask(item.getDataId(), item.getGroup(), item.getTenant(), InetUtils.getSelfIP());
         }
     }
     
@@ -163,7 +163,7 @@ public class MergeDatumService {
                                 ContentUtils.truncateContent(cf.getContent()));
                     } else {
                         // remove
-                        persistService.removeConfigInfo(dataId, group, tenant, InetUtils.getSelfIp(), null);
+                        persistService.removeConfigInfo(dataId, group, tenant, InetUtils.getSelfIP(), null);
                         LOGGER.warn("[merge-delete] delete config info because no datum. dataId=" + dataId + ", groupId="
                                 + group);
                     }

config/src/main/java/com/alibaba/nacos/config/server/service/merge/MergeTaskProcessor.java

@@ -17,8 +17,8 @@
 package com.alibaba.nacos.config.server.service.merge;
 
 import com.alibaba.nacos.common.notify.NotifyCenter;
+import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.config.server.constant.Constants;
-import com.alibaba.nacos.common.task.AbstractDelayTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import com.alibaba.nacos.config.server.model.ConfigInfo;
 import com.alibaba.nacos.config.server.model.ConfigInfoAggr;
@@ -52,7 +52,7 @@ public class MergeTaskProcessor implements NacosTaskProcessor {
     }
     
     @Override
-    public boolean process(AbstractDelayTask task) {
+    public boolean process(NacosTask task) {
         MergeDataTask mergeTask = (MergeDataTask) task;
         final String dataId = mergeTask.dataId;
         final String group = mergeTask.groupId;
@@ -84,7 +84,7 @@ public class MergeTaskProcessor implements NacosTaskProcessor {
                         ContentUtils.truncateContent(cf.getContent()));
                 
                 ConfigTraceService
-                        .logPersistenceEvent(dataId, group, tenant, null, time.getTime(), InetUtils.getSelfIp(),
+                        .logPersistenceEvent(dataId, group, tenant, null, time.getTime(), InetUtils.getSelfIP(),
                                 ConfigTraceService.PERSISTENCE_EVENT_MERGE, cf.getContent());
             } else {
                 // remove
@@ -98,7 +98,7 @@ public class MergeTaskProcessor implements NacosTaskProcessor {
                         "[merge-delete] delete config info because no datum. dataId=" + dataId + ", groupId=" + group);
                 
                 ConfigTraceService
-                        .logPersistenceEvent(dataId, group, tenant, null, time.getTime(), InetUtils.getSelfIp(),
+                        .logPersistenceEvent(dataId, group, tenant, null, time.getTime(), InetUtils.getSelfIP(),
                                 ConfigTraceService.PERSISTENCE_EVENT_REMOVE, null);
             }
             NotifyCenter.publishEvent(new ConfigDataChangeEvent(false, dataId, group, tenant, tag, time.getTime()));

config/src/main/java/com/alibaba/nacos/config/server/service/notify/AsyncNotifyService.java

@@ -154,7 +154,7 @@ public class AsyncNotifyService {
                     if (unHealthNeedDelay) {
                         // target ip is unhealthy, then put it in the notification list
                         ConfigTraceService.logNotifyEvent(task.getDataId(), task.getGroup(), task.getTenant(), null,
-                                task.getLastModified(), InetUtils.getSelfIp(), ConfigTraceService.NOTIFY_EVENT_UNHEALTH,
+                                task.getLastModified(), InetUtils.getSelfIP(), ConfigTraceService.NOTIFY_EVENT_UNHEALTH,
                                 0, task.target);
                         // get delay time and set fail count to the task
                         asyncTaskExecute(task);
@@ -162,7 +162,7 @@ public class AsyncNotifyService {
                         Header header = Header.newInstance();
                         header.addParam(NotifyService.NOTIFY_HEADER_LAST_MODIFIED,
                                 String.valueOf(task.getLastModified()));
-                        header.addParam(NotifyService.NOTIFY_HEADER_OP_HANDLE_IP, InetUtils.getSelfIp());
+                        header.addParam(NotifyService.NOTIFY_HEADER_OP_HANDLE_IP, InetUtils.getSelfIP());
                         if (task.isBeta) {
                             header.addParam("isBeta", "true");
                         }
@@ -280,12 +280,14 @@ public class AsyncNotifyService {
             long delayed = System.currentTimeMillis() - task.getLastModified();
             
             if (result.ok()) {
-                ConfigTraceService.logNotifyEvent(task.getDataId(), task.getGroup(), task.getTenant(), null, task.getLastModified(), InetUtils.getSelfIp(), ConfigTraceService.NOTIFY_EVENT_OK, delayed,
+                ConfigTraceService.logNotifyEvent(task.getDataId(), task.getGroup(), task.getTenant(), null,
+                        task.getLastModified(), InetUtils.getSelfIP(), ConfigTraceService.NOTIFY_EVENT_OK, delayed,
                         task.target);
             } else {
                 LOGGER.error("[notify-error] target:{} dataId:{} group:{} ts:{} code:{}", task.target, task.getDataId(),
                         task.getGroup(), task.getLastModified(), result.getCode());
-                ConfigTraceService.logNotifyEvent(task.getDataId(), task.getGroup(), task.getTenant(), null, task.getLastModified(), InetUtils.getSelfIp(), ConfigTraceService.NOTIFY_EVENT_ERROR, delayed,
+                ConfigTraceService.logNotifyEvent(task.getDataId(), task.getGroup(), task.getTenant(), null,
+                        task.getLastModified(), InetUtils.getSelfIP(), ConfigTraceService.NOTIFY_EVENT_ERROR, delayed,
                         task.target);
                 
                 //get delay time and set fail count to the task
@@ -306,7 +308,7 @@ public class AsyncNotifyService {
                     task.getGroup(), task.getLastModified(), ex.toString());
             ConfigTraceService
                     .logNotifyEvent(task.getDataId(), task.getGroup(), task.getTenant(), null, task.getLastModified(),
-                            InetUtils.getSelfIp(), ConfigTraceService.NOTIFY_EVENT_EXCEPTION, delayed, task.target);
+                            InetUtils.getSelfIP(), ConfigTraceService.NOTIFY_EVENT_EXCEPTION, delayed, task.target);
             
             //get delay time and set fail count to the task
             asyncTaskExecute(task);

config/src/main/java/com/alibaba/nacos/config/server/service/notify/NotifySingleService.java

@@ -18,7 +18,7 @@ package com.alibaba.nacos.config.server.service.notify;
 
 import com.alibaba.nacos.common.executor.ExecutorFactory;
 import com.alibaba.nacos.common.executor.NameThreadFactory;
-import com.alibaba.nacos.common.task.AbstractDelayTask;
+import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.config.server.utils.LogUtil;
 import com.alibaba.nacos.core.cluster.Member;
 import com.alibaba.nacos.core.cluster.ServerMemberManager;
@@ -50,7 +50,7 @@ public class NotifySingleService {
         }
         
         @Override
-        public boolean process(AbstractDelayTask task) {
+        public boolean process(NacosTask task) {
             NotifySingleTask notifyTask = (NotifySingleTask) task;
             return notifyToDump(notifyTask.getDataId(), notifyTask.getGroup(), notifyTask.getTenant(),
                     notifyTask.getLastModified(), notifyTask.target);

config/src/main/java/com/alibaba/nacos/config/server/service/notify/NotifyTaskProcessor.java

@@ -17,8 +17,8 @@
 package com.alibaba.nacos.config.server.service.notify;
 
 import com.alibaba.nacos.common.model.RestResult;
+import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.config.server.constant.Constants;
-import com.alibaba.nacos.common.task.AbstractDelayTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import com.alibaba.nacos.config.server.monitor.MetricsMonitor;
 import com.alibaba.nacos.config.server.service.trace.ConfigTraceService;
@@ -46,7 +46,7 @@ public class NotifyTaskProcessor implements NacosTaskProcessor {
     }
     
     @Override
-    public boolean process(AbstractDelayTask task) {
+    public boolean process(NacosTask task) {
         NotifyTask notifyTask = (NotifyTask) task;
         String dataId = notifyTask.getDataId();
         String group = notifyTask.getGroup();
@@ -73,13 +73,13 @@ public class NotifyTaskProcessor implements NacosTaskProcessor {
              */
             List<String> headers = Arrays
                     .asList(NotifyService.NOTIFY_HEADER_LAST_MODIFIED, String.valueOf(lastModified),
-                            NotifyService.NOTIFY_HEADER_OP_HANDLE_IP, InetUtils.getSelfIp());
+                            NotifyService.NOTIFY_HEADER_OP_HANDLE_IP, InetUtils.getSelfIP());
             String urlString = MessageFormat
                     .format(URL_PATTERN, serverIp, ApplicationUtils.getContextPath(), dataId, group);
             
             RestResult<String> result = NotifyService.invokeURL(urlString, headers, Constants.ENCODE);
             if (result.ok()) {
-                ConfigTraceService.logNotifyEvent(dataId, group, tenant, null, lastModified, InetUtils.getSelfIp(),
+                ConfigTraceService.logNotifyEvent(dataId, group, tenant, null, lastModified, InetUtils.getSelfIP(),
                         ConfigTraceService.NOTIFY_EVENT_OK, delayed, serverIp);
                 
                 MetricsMonitor.getNotifyRtTimer().record(delayed, TimeUnit.MILLISECONDS);
@@ -89,7 +89,7 @@ public class NotifyTaskProcessor implements NacosTaskProcessor {
                 MetricsMonitor.getConfigNotifyException().increment();
                 LOGGER.error("[notify-error] {}, {}, to {}, result {}",
                         new Object[] {dataId, group, serverIp, result.getCode()});
-                ConfigTraceService.logNotifyEvent(dataId, group, tenant, null, lastModified, InetUtils.getSelfIp(),
+                ConfigTraceService.logNotifyEvent(dataId, group, tenant, null, lastModified, InetUtils.getSelfIP(),
                         ConfigTraceService.NOTIFY_EVENT_ERROR, delayed, serverIp);
                 return false;
             }
@@ -97,7 +97,7 @@ public class NotifyTaskProcessor implements NacosTaskProcessor {
             MetricsMonitor.getConfigNotifyException().increment();
             LOGGER.error("[notify-exception] " + dataId + ", " + group + ", to " + serverIp + ", " + e.toString());
             LOGGER.debug("[notify-exception] " + dataId + ", " + group + ", to " + serverIp + ", " + e.toString(), e);
-            ConfigTraceService.logNotifyEvent(dataId, group, tenant, null, lastModified, InetUtils.getSelfIp(),
+            ConfigTraceService.logNotifyEvent(dataId, group, tenant, null, lastModified, InetUtils.getSelfIP(),
                     ConfigTraceService.NOTIFY_EVENT_EXCEPTION, delayed, serverIp);
             return false;
         }

config/src/main/java/com/alibaba/nacos/config/server/service/repository/extrnal/ExternalStoragePersistServiceImpl.java

@@ -2292,7 +2292,7 @@ public class ExternalStoragePersistServiceImpl implements PersistService {
                     .queryForObject(sqlFetchRows, new Object[] {nid}, HISTORY_DETAIL_ROW_MAPPER);
             return historyInfo;
         } catch (DataAccessException e) {
-            LogUtil.FATAL_LOG.error("[list-config-history] error, nid:{}", new Object[] {nid}, e);
+            LogUtil.FATAL_LOG.error("[detail-config-history] error, nid:{}", new Object[] {nid}, e);
             throw e;
         }
     }

config/src/main/java/com/alibaba/nacos/config/server/service/trace/ConfigTraceService.java

@@ -87,7 +87,7 @@ public class ConfigTraceService {
         // (md5)
         String md5 = content == null ? null : MD5Utils.md5Hex(content, Constants.ENCODE);
         
-        LogUtil.TRACE_LOG.info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", InetUtils.getSelfIp(), dataId, group, tenant,
+        LogUtil.TRACE_LOG.info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", InetUtils.getSelfIP(), dataId, group, tenant,
                 requestIpAppName, ts, handleIp, "persist", type, -1, md5);
     }
     
@@ -116,7 +116,7 @@ public class ConfigTraceService {
         }
         //localIp | dataid | group | tenant | requestIpAppName | ts | handleIp | event | type | [delayed] | ext
         // (targetIp)
-        LogUtil.TRACE_LOG.info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", InetUtils.getSelfIp(), dataId, group, tenant,
+        LogUtil.TRACE_LOG.info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", InetUtils.getSelfIP(), dataId, group, tenant,
                 requestIpAppName, ts, handleIp, "notify", type, delayed, targetIp);
     }
     
@@ -143,7 +143,7 @@ public class ConfigTraceService {
             tenant = null;
         }
         //localIp | dataid | group | tenant | requestIpAppName | ts | handleIp | event | type | [delayed] | length
-        LogUtil.TRACE_LOG.info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", InetUtils.getSelfIp(), dataId, group, tenant,
+        LogUtil.TRACE_LOG.info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", InetUtils.getSelfIP(), dataId, group, tenant,
                 requestIpAppName, ts, handleIp, "dump", type, delayed, length);
     }
     
@@ -169,7 +169,7 @@ public class ConfigTraceService {
         }
         //localIp | dataid | group | tenant | requestIpAppName | ts | handleIp | event | type | [delayed = -1]
         LogUtil.TRACE_LOG
-                .info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", InetUtils.getSelfIp(), dataId, group, tenant, requestIpAppName,
+                .info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", InetUtils.getSelfIP(), dataId, group, tenant, requestIpAppName,
                         ts, handleIp, "dump-all", type, -1);
     }
     
@@ -196,7 +196,7 @@ public class ConfigTraceService {
         }
         //localIp | dataid | group | tenant| requestIpAppName| ts | event | type | [delayed] | ext(clientIp)
         LogUtil.TRACE_LOG
-                .info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", InetUtils.getSelfIp(), dataId, group, tenant, requestIpAppName,
+                .info("{}|{}|{}|{}|{}|{}|{}|{}|{}|{}", InetUtils.getSelfIP(), dataId, group, tenant, requestIpAppName,
                         ts, "pull", type, delayed, clientIp);
     }
 }

config/src/main/java/com/alibaba/nacos/config/server/utils/NamespaceUtil.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 1999-2018 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.utils;
+
+import org.apache.commons.lang3.StringUtils;
+
+/**
+ * namespace(tenant) util.
+ * Because config and naming treat namespace(tenant) differently,
+ * this tool class can only be used by the config module.
+ * @author klw(213539@qq.com)
+ * @date 2020/10/12 17:56
+ */
+public class NamespaceUtil {
+    
+    private static final String NAMESPACE_PUBLIC_KEY = "public";
+    
+    private static final String NAMESPACE_NULL_KEY = "null";
+    
+    /**
+     * Treat the namespace(tenant) parameters with values of "public" and "null" as an empty string.
+     * @param tenant namespace(tenant) id
+     * @return java.lang.String A namespace(tenant) string processed
+     */
+    public static String processNamespaceParameter(String tenant) {
+        if (StringUtils.isBlank(tenant) || NAMESPACE_PUBLIC_KEY.equalsIgnoreCase(tenant) || NAMESPACE_NULL_KEY
+                .equalsIgnoreCase(tenant)) {
+            return "";
+        }
+        return tenant.trim();
+    }
+
+}

config/src/test/java/com/alibaba/nacos/config/server/utils/NamespaceUtilTest.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 1999-2018 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.utils;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * test NamespaceUtil.
+ *
+ * @author klw(213539 @ qq.com)
+ * @date 2020/10/13 9:46
+ */
+public class NamespaceUtilTest {
+    
+    @Test
+    public void testProcessTenantParameter() {
+        String strPublic = "public";
+        String strNull = "null";
+        String strEmpty = "";
+        String strAbc = "abc";
+        String strdef123 = "def123";
+        String strAbcHasSpace = "  abc  ";
+        Assert.assertEquals(strEmpty, NamespaceUtil.processNamespaceParameter(strPublic));
+        Assert.assertEquals(strEmpty, NamespaceUtil.processNamespaceParameter(strNull));
+        Assert.assertEquals(strEmpty, NamespaceUtil.processNamespaceParameter(strEmpty));
+        Assert.assertEquals(strEmpty, NamespaceUtil.processNamespaceParameter(null));
+        Assert.assertEquals(strAbc, NamespaceUtil.processNamespaceParameter(strAbc));
+        Assert.assertEquals(strdef123, NamespaceUtil.processNamespaceParameter(strdef123));
+        Assert.assertEquals(strAbc, NamespaceUtil.processNamespaceParameter(strAbcHasSpace));
+    }
+    
+}

core/src/main/java/com/alibaba/nacos/core/cluster/MemberMetaDataConstants.java

@@ -40,9 +40,5 @@ public class MemberMetaDataConstants {
     
     public static final String SUPPORT_REMOTE_C_TYPE = "remoteConnectType";
     
-    public static final String[] META_KEY_LIST = new String[] {SITE_KEY, AD_WEIGHT, RAFT_PORT, WEIGHT,
+    public static final String[] BASIC_META_KEYS = new String[] {SITE_KEY, AD_WEIGHT, RAFT_PORT, WEIGHT, VERSION};
-            LAST_REFRESH_TIME, VERSION, SUPPORT_REMOTE_C_TYPE};
-    
-    public static final String[] META_KEY_LIST_WITHOUT_LAST_REFRESH_TIME = new String[] {SITE_KEY, AD_WEIGHT, RAFT_PORT,
-            WEIGHT, VERSION, SUPPORT_REMOTE_C_TYPE};
 }

core/src/main/java/com/alibaba/nacos/core/cluster/MemberUtils.java

@@ -29,6 +29,7 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.ThreadLocalRandom;
 import java.util.function.Predicate;
@@ -263,40 +264,40 @@ public class MemberUtils {
     }
     
     /**
-     * Judge whether two member is full equals.
+     * Judge whether basic info has changed.
      *
      * @param actual   actual member
      * @param expected expected member
      * @return true if all content is same, otherwise false
      */
-    public static boolean fullEquals(Member actual, Member expected) {
+    public static boolean isBasicInfoChanged(Member actual, Member expected) {
         if (null == expected) {
             return null == actual;
         }
         if (!expected.getIp().equals(actual.getIp())) {
-            return false;
+            return true;
         }
         if (expected.getPort() != actual.getPort()) {
-            return false;
+            return true;
         }
         if (!expected.getAddress().equals(actual.getAddress())) {
-            return false;
+            return true;
         }
         if (!expected.getState().equals(actual.getState())) {
-            return false;
+            return true;
         }
-        return equalsExtendInfo(expected, actual);
+        return isBasicInfoChangedInExtendInfo(expected, actual);
     }
     
-    private static boolean equalsExtendInfo(Member expected, Member actual) {
+    private static boolean isBasicInfoChangedInExtendInfo(Member expected, Member actual) {
-        for (String each : MemberMetaDataConstants.META_KEY_LIST_WITHOUT_LAST_REFRESH_TIME) {
+        for (String each : MemberMetaDataConstants.BASIC_META_KEYS) {
             if (expected.getExtendInfo().containsKey(each) != actual.getExtendInfo().containsKey(each)) {
-                return false;
+                return true;
             }
-            if (null != expected.getExtendVal(each) && !expected.getExtendVal(each).equals(actual.getExtendVal(each))) {
+            if (!Objects.equals(expected.getExtendVal(each), actual.getExtendVal(each))) {
-                return false;
+                return true;
             }
         }
-        return true;
+        return false;
     }
 }

core/src/main/java/com/alibaba/nacos/core/cluster/ServerMemberManager.java

@@ -133,7 +133,7 @@ public class ServerMemberManager implements ApplicationListener<WebServerInitial
     protected void init() throws NacosException {
         Loggers.CORE.info("Nacos-related cluster resource initialization");
         this.port = ApplicationUtils.getProperty("server.port", Integer.class, 8848);
-        this.localAddress = InetUtils.getSelfIp() + ":" + port;
+        this.localAddress = InetUtils.getSelfIP() + ":" + port;
         this.self = MemberUtils.singleParse(this.localAddress);
         this.self.setExtendVal(MemberMetaDataConstants.VERSION, VersionUtils.version);
         this.self.setExtendVal(MemberMetaDataConstants.SUPPORT_REMOTE_C_TYPE, ApplicationUtils
@@ -173,14 +173,14 @@ public class ServerMemberManager implements ApplicationListener<WebServerInitial
         NotifyCenter.registerSubscriber(new Subscriber<InetUtils.IPChangeEvent>() {
             @Override
             public void onEvent(InetUtils.IPChangeEvent event) {
-                String newAddress = event.getNewIp() + ":" + port;
+                String newAddress = event.getNewIP() + ":" + port;
                 ServerMemberManager.this.localAddress = newAddress;
                 ApplicationUtils.setLocalAddress(localAddress);
                 
                 Member self = ServerMemberManager.this.self;
-                self.setIp(event.getNewIp());
+                self.setIp(event.getNewIP());
                 
-                String oldAddress = event.getOldIp() + ":" + port;
+                String oldAddress = event.getOldIP() + ":" + port;
                 ServerMemberManager.this.serverList.remove(oldAddress);
                 ServerMemberManager.this.serverList.put(newAddress, self);
                 
@@ -213,10 +213,11 @@ public class ServerMemberManager implements ApplicationListener<WebServerInitial
             if (NodeState.DOWN.equals(newMember.getState())) {
                 memberAddressInfos.remove(newMember.getAddress());
             }
-            if (!MemberUtils.fullEquals(newMember, member)) {
+            boolean isPublishChangeEvent = MemberUtils.isBasicInfoChanged(newMember, member);
-                newMember.setExtendVal(MemberMetaDataConstants.LAST_REFRESH_TIME, System.currentTimeMillis());
+            newMember.setExtendVal(MemberMetaDataConstants.LAST_REFRESH_TIME, System.currentTimeMillis());
-                MemberUtils.copy(newMember, member);
+            MemberUtils.copy(newMember, member);
-                // member data changes and all listeners need to be notified
+            if (isPublishChangeEvent) {
+                // member basic data changes and all listeners need to be notified
                 NotifyCenter.publishEvent(MembersChangeEvent.builder().members(allMembers()).build());
             }
             return member;

core/src/main/java/com/alibaba/nacos/core/cluster/lookup/AddressServerMemberLookup.java

@@ -153,7 +153,6 @@ public class AddressServerMemberLookup extends AbstractMemberLookup {
                         ExceptionUtil.getAllExceptionMsg(e));
             }
             addressServerFailCount = 0;
-            isAddressServerHealth = false;
         } else {
             addressServerFailCount++;
             if (addressServerFailCount >= maxFailCount) {

core/src/main/java/com/alibaba/nacos/core/cluster/lookup/StandaloneMemberLookup.java

@@ -33,7 +33,7 @@ public class StandaloneMemberLookup extends AbstractMemberLookup {
     @Override
     public void start() {
         if (start.compareAndSet(false, true)) {
-            String url = InetUtils.getSelfIp() + ":" + ApplicationUtils.getPort();
+            String url = InetUtils.getSelfIP() + ":" + ApplicationUtils.getPort();
             afterLookup(MemberUtils.readServerConf(Collections.singletonList(url)));
         }
     }

core/src/main/java/com/alibaba/nacos/core/code/StartingSpringApplicationRunListener.java

@@ -86,7 +86,7 @@ public class StartingSpringApplicationRunListener implements SpringApplicationRu
             System.setProperty(MODE_PROPERTY_KEY_FUNCTION_MODE, ApplicationUtils.FUNCTION_MODE_NAMING);
         }
         
-        System.setProperty(LOCAL_IP_PROPERTY_KEY, InetUtils.getSelfIp());
+        System.setProperty(LOCAL_IP_PROPERTY_KEY, InetUtils.getSelfIP());
     }
     
     @Override

core/src/main/java/com/alibaba/nacos/core/distributed/distro/task/DistroTaskEngineHolder.java

@@ -20,7 +20,7 @@ import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import com.alibaba.nacos.core.distributed.distro.component.DistroComponentHolder;
 import com.alibaba.nacos.core.distributed.distro.task.delay.DistroDelayTaskExecuteEngine;
 import com.alibaba.nacos.core.distributed.distro.task.delay.DistroDelayTaskProcessor;
-import com.alibaba.nacos.core.distributed.distro.task.execute.DistroExecuteWorkersManager;
+import com.alibaba.nacos.core.distributed.distro.task.execute.DistroExecuteTaskExecuteEngine;
 import org.springframework.stereotype.Component;
 
 /**
@@ -33,7 +33,7 @@ public class DistroTaskEngineHolder {
     
     private final DistroDelayTaskExecuteEngine delayTaskExecuteEngine = new DistroDelayTaskExecuteEngine();
     
-    private final DistroExecuteWorkersManager executeWorkersManager = new DistroExecuteWorkersManager();
+    private final DistroExecuteTaskExecuteEngine executeWorkersManager = new DistroExecuteTaskExecuteEngine();
     
     public DistroTaskEngineHolder(DistroComponentHolder distroComponentHolder) {
         DistroDelayTaskProcessor defaultDelayTaskProcessor = new DistroDelayTaskProcessor(this, distroComponentHolder);
@@ -44,7 +44,7 @@ public class DistroTaskEngineHolder {
         return delayTaskExecuteEngine;
     }
     
-    public DistroExecuteWorkersManager getExecuteWorkersManager() {
+    public DistroExecuteTaskExecuteEngine getExecuteWorkersManager() {
         return executeWorkersManager;
     }
     

core/src/main/java/com/alibaba/nacos/core/distributed/distro/task/delay/DistroDelayTaskProcessor.java

@@ -16,7 +16,7 @@
 
 package com.alibaba.nacos.core.distributed.distro.task.delay;
 
-import com.alibaba.nacos.common.task.AbstractDelayTask;
+import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import com.alibaba.nacos.consistency.DataOperation;
 import com.alibaba.nacos.core.distributed.distro.component.DistroComponentHolder;
@@ -43,7 +43,7 @@ public class DistroDelayTaskProcessor implements NacosTaskProcessor {
     }
     
     @Override
-    public boolean process(AbstractDelayTask task) {
+    public boolean process(NacosTask task) {
         if (!(task instanceof DistroDelayTask)) {
             return true;
         }
@@ -51,7 +51,7 @@ public class DistroDelayTaskProcessor implements NacosTaskProcessor {
         DistroKey distroKey = distroDelayTask.getDistroKey();
         if (DataOperation.CHANGE.equals(distroDelayTask.getAction())) {
             DistroSyncChangeTask syncChangeTask = new DistroSyncChangeTask(distroKey, distroComponentHolder);
-            distroTaskEngineHolder.getExecuteWorkersManager().dispatch(distroKey, syncChangeTask);
+            distroTaskEngineHolder.getExecuteWorkersManager().addTask(distroKey, syncChangeTask);
             return true;
         } else if (DataOperation.DELETE.equals(distroDelayTask.getAction())) {
             DistroSyncDeleteTask syncDeleteTask = new DistroSyncDeleteTask(distroKey, distroComponentHolder);

core/src/main/java/com/alibaba/nacos/core/distributed/distro/task/execute/AbstractDistroExecuteTask.java

@@ -28,7 +28,7 @@ import com.alibaba.nacos.core.utils.Loggers;
  *
  * @author xiweng.yy
  */
-public abstract class AbstractDistroExecuteTask extends AbstractExecuteTask implements Runnable {
+public abstract class AbstractDistroExecuteTask extends AbstractExecuteTask {
     
     private final DistroKey distroKey;
     

core/src/main/java/com/alibaba/nacos/core/distributed/distro/task/execute/DistroExecuteTaskExecuteEngine.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 1999-2018 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.core.distributed.distro.task.execute;
+
+import com.alibaba.nacos.common.task.engine.NacosExecuteTaskExecuteEngine;
+import com.alibaba.nacos.core.utils.Loggers;
+
+/**
+ * Distro execute task execute engine.
+ *
+ * @author xiweng.yy
+ */
+public class DistroExecuteTaskExecuteEngine extends NacosExecuteTaskExecuteEngine {
+    
+    public DistroExecuteTaskExecuteEngine() {
+        super(DistroExecuteTaskExecuteEngine.class.getSimpleName(), Loggers.DISTRO);
+    }
+}

core/src/main/java/com/alibaba/nacos/core/distributed/distro/task/execute/DistroExecuteWorkersManager.java

@@ -1,75 +0,0 @@
-/*
- * Copyright 1999-2018 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.core.distributed.distro.task.execute;
-
-/**
- * Distro execute workers manager.
- *
- * @author xiweng.yy
- */
-public final class DistroExecuteWorkersManager {
-    
-    private final DistroExecuteWorker[] connectionWorkers;
-
-    public DistroExecuteWorkersManager() {
-        int workerCount = findWorkerCount();
-        connectionWorkers = new DistroExecuteWorker[workerCount];
-        for (int mod = 0; mod < workerCount; ++mod) {
-            connectionWorkers[mod] = new DistroExecuteWorker(mod, workerCount);
-        }
-    }
-    
-    private int findWorkerCount() {
-        final int coreCount = Runtime.getRuntime().availableProcessors();
-        int result = 1;
-        while (result < coreCount) {
-            result <<= 1;
-        }
-        return result;
-    }
-    
-    /**
-     * Dispatch task to worker by tag.
-     */
-    public void dispatch(Object tag, Runnable task) {
-        DistroExecuteWorker worker = getWorker(tag);
-        worker.execute(task);
-    }
-    
-    private DistroExecuteWorker getWorker(Object tag) {
-        int idx = (tag.hashCode() & Integer.MAX_VALUE) % workersCount();
-        return connectionWorkers[idx];
-    }
-    
-    /**
-     * Get workers status.
-     *
-     * @return workers status string
-     */
-    public String workersStatus() {
-        StringBuilder sb = new StringBuilder();
-        for (DistroExecuteWorker worker : connectionWorkers) {
-            sb.append(worker.status()).append("\n");
-        }
-        return sb.toString();
-    }
-
-    public int workersCount() {
-        return connectionWorkers.length;
-    }
-
-}

core/src/test/java/com/alibaba/nacos/core/cluster/MemberUtilsTest.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright 1999-2018 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.core.cluster;
+
+import com.alibaba.nacos.sys.utils.ApplicationUtils;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.springframework.core.env.ConfigurableEnvironment;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+@RunWith(MockitoJUnitRunner.class)
+public class MemberUtilsTest {
+    
+    private static final String IP = "1.1.1.1";
+    
+    private static final int PORT = 8848;
+    
+    @Mock
+    private ConfigurableEnvironment environment;
+    
+    private Member originalMember;
+    
+    @Before
+    public void setUp() {
+        ApplicationUtils.injectEnvironment(environment);
+        originalMember = buildMember();
+    }
+    
+    private Member buildMember() {
+        return Member.builder().ip(IP).port(PORT).state(NodeState.UP).build();
+    }
+    
+    @Test
+    public void testIsBasicInfoChangedNoChangeWithoutExtendInfo() {
+        Member newMember = buildMember();
+        assertFalse(MemberUtils.isBasicInfoChanged(newMember, originalMember));
+    }
+    
+    @Test
+    public void testIsBasicInfoChangedNoChangeWithExtendInfo() {
+        Member newMember = buildMember();
+        newMember.setExtendVal("test", "test");
+        assertFalse(MemberUtils.isBasicInfoChanged(newMember, originalMember));
+    }
+    
+    @Test
+    public void testIsBasicInfoChangedForIp() {
+        Member newMember = buildMember();
+        newMember.setIp("1.1.1.2");
+        assertTrue(MemberUtils.isBasicInfoChanged(newMember, originalMember));
+    }
+    
+    @Test
+    public void testIsBasicInfoChangedForPort() {
+        Member newMember = buildMember();
+        newMember.setPort(PORT + 1);
+        assertTrue(MemberUtils.isBasicInfoChanged(newMember, originalMember));
+    }
+    
+    @Test
+    public void testIsBasicInfoChangedForAddress() {
+        Member newMember = buildMember();
+        newMember.setAddress("test");
+        assertTrue(MemberUtils.isBasicInfoChanged(newMember, originalMember));
+    }
+    
+    @Test
+    public void testIsBasicInfoChangedForStatus() {
+        Member newMember = buildMember();
+        newMember.setState(NodeState.DOWN);
+        assertTrue(MemberUtils.isBasicInfoChanged(newMember, originalMember));
+    }
+    
+    @Test
+    public void testIsBasicInfoChangedForMoreBasicExtendInfo() {
+        Member newMember = buildMember();
+        newMember.setExtendVal(MemberMetaDataConstants.VERSION, "TEST");
+        assertTrue(MemberUtils.isBasicInfoChanged(newMember, originalMember));
+    }
+    
+    @Test
+    public void testIsBasicInfoChangedForChangedBasicExtendInfo() {
+        Member newMember = buildMember();
+        newMember.setExtendVal(MemberMetaDataConstants.WEIGHT, "100");
+        assertTrue(MemberUtils.isBasicInfoChanged(newMember, originalMember));
+    }
+}

core/src/test/java/com/alibaba/nacos/core/cluster/ServerMemberManagerTest.java

@@ -0,0 +1,111 @@
+/*
+ * Copyright 1999-2018 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.core.cluster;
+
+import com.alibaba.nacos.api.exception.NacosException;
+import com.alibaba.nacos.common.notify.EventPublisher;
+import com.alibaba.nacos.common.notify.NotifyCenter;
+import com.alibaba.nacos.sys.utils.ApplicationUtils;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.springframework.core.env.ConfigurableEnvironment;
+
+import javax.servlet.ServletContext;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class ServerMemberManagerTest {
+    
+    @Mock
+    private ConfigurableEnvironment environment;
+    
+    @Mock
+    private ServletContext servletContext;
+    
+    @Mock
+    private EventPublisher eventPublisher;
+    
+    private ServerMemberManager serverMemberManager;
+    
+    private static final AtomicBoolean EVENT_PUBLISH = new AtomicBoolean(false);
+    
+    @Before
+    public void setUp() throws Exception {
+        when(environment.getProperty("server.port", Integer.class, 8848)).thenReturn(8848);
+        when(environment.getProperty("nacos.member-change-event.queue.size", Integer.class, 128)).thenReturn(128);
+        ApplicationUtils.injectEnvironment(environment);
+        when(servletContext.getContextPath()).thenReturn("");
+        serverMemberManager = new ServerMemberManager(servletContext);
+        serverMemberManager.updateMember(Member.builder().ip("1.1.1.1").port(8848).state(NodeState.UP).build());
+        serverMemberManager.getMemberAddressInfos().add("1.1.1.1:8848");
+        NotifyCenter.getPublisherMap().put(MembersChangeEvent.class.getCanonicalName(), eventPublisher);
+    }
+    
+    @After
+    public void tearDown() throws NacosException {
+        EVENT_PUBLISH.set(false);
+        NotifyCenter.deregisterPublisher(MembersChangeEvent.class);
+        serverMemberManager.shutdown();
+    }
+    
+    @Test
+    public void testUpdateNonExistMember() {
+        Member newMember = Member.builder().ip("1.1.1.2").port(8848).state(NodeState.UP).build();
+        assertFalse(serverMemberManager.update(newMember));
+    }
+    
+    @Test
+    public void testUpdateDownMember() {
+        Member newMember = Member.builder().ip("1.1.1.1").port(8848).state(NodeState.DOWN).build();
+        assertTrue(serverMemberManager.update(newMember));
+        assertFalse(serverMemberManager.getMemberAddressInfos().contains("1.1.1.1:8848"));
+        verify(eventPublisher).publish(any(MembersChangeEvent.class));
+    }
+    
+    @Test
+    public void testUpdateVersionMember() {
+        Member newMember = Member.builder().ip("1.1.1.1").port(8848).state(NodeState.UP).build();
+        newMember.setExtendVal(MemberMetaDataConstants.VERSION, "testVersion");
+        assertTrue(serverMemberManager.update(newMember));
+        assertTrue(serverMemberManager.getMemberAddressInfos().contains("1.1.1.1:8848"));
+        assertEquals("testVersion",
+                serverMemberManager.getServerList().get("1.1.1.1:8848").getExtendVal(MemberMetaDataConstants.VERSION));
+        verify(eventPublisher).publish(any(MembersChangeEvent.class));
+    }
+    
+    @Test
+    public void testUpdateNonBasicExtendInfoMember() {
+        Member newMember = Member.builder().ip("1.1.1.1").port(8848).state(NodeState.UP).build();
+        newMember.setExtendVal("naming", "test");
+        assertTrue(serverMemberManager.update(newMember));
+        assertTrue(serverMemberManager.getMemberAddressInfos().contains("1.1.1.1:8848"));
+        assertEquals("test", serverMemberManager.getServerList().get("1.1.1.1:8848").getExtendVal("naming"));
+        verify(eventPublisher, never()).publish(any(MembersChangeEvent.class));
+    }
+}

naming/src/main/java/com/alibaba/nacos/naming/consistency/ephemeral/distro/combined/DistroHttpCombinedKeyDelayTask.java

@@ -18,9 +18,9 @@ package com.alibaba.nacos.naming.consistency.ephemeral.distro.combined;
 
 import com.alibaba.nacos.common.task.AbstractDelayTask;
 import com.alibaba.nacos.consistency.DataOperation;
-import com.alibaba.nacos.naming.consistency.KeyBuilder;
 import com.alibaba.nacos.core.distributed.distro.entity.DistroKey;
 import com.alibaba.nacos.core.distributed.distro.task.delay.DistroDelayTask;
+import com.alibaba.nacos.naming.consistency.KeyBuilder;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -49,15 +49,18 @@ public class DistroHttpCombinedKeyDelayTask extends DistroDelayTask {
     public void merge(AbstractDelayTask task) {
         actualResourceKeys.addAll(((DistroHttpCombinedKeyDelayTask) task).getActualResourceKeys());
         if (actualResourceKeys.size() >= batchSize) {
-            this.setLastProcessTime(0);
             DistroHttpCombinedKey.incrementSequence();
+            setLastProcessTime(0);
+        } else {
+            setLastProcessTime(task.getLastProcessTime());
         }
     }
     
     @Override
     public DistroKey getDistroKey() {
         DistroKey taskKey = super.getDistroKey();
-        DistroHttpCombinedKey result = new DistroHttpCombinedKey(KeyBuilder.INSTANCE_LIST_KEY_PREFIX, taskKey.getTargetServer());
+        DistroHttpCombinedKey result = new DistroHttpCombinedKey(KeyBuilder.INSTANCE_LIST_KEY_PREFIX,
+                taskKey.getTargetServer());
         result.setResourceKey(taskKey.getResourceKey());
         result.getActualResourceTypes().addAll(actualResourceKeys);
         return result;

naming/src/main/java/com/alibaba/nacos/naming/consistency/ephemeral/distro/combined/DistroHttpCombinedKeyExecuteTask.java

@@ -16,6 +16,7 @@
 
 package com.alibaba.nacos.naming.consistency.ephemeral.distro.combined;
 
+import com.alibaba.nacos.common.task.AbstractExecuteTask;
 import com.alibaba.nacos.consistency.DataOperation;
 import com.alibaba.nacos.core.distributed.distro.entity.DistroKey;
 import com.alibaba.nacos.core.distributed.distro.task.delay.DistroDelayTaskExecuteEngine;
@@ -31,7 +32,7 @@ import com.alibaba.nacos.naming.misc.Loggers;
  *
  * @author xiweng.yy
  */
-public class DistroHttpCombinedKeyExecuteTask implements Runnable {
+public class DistroHttpCombinedKeyExecuteTask extends AbstractExecuteTask {
     
     private final GlobalConfig globalConfig;
     

naming/src/main/java/com/alibaba/nacos/naming/consistency/ephemeral/distro/combined/DistroHttpDelayTaskProcessor.java

@@ -16,7 +16,7 @@
 
 package com.alibaba.nacos.naming.consistency.ephemeral.distro.combined;
 
-import com.alibaba.nacos.common.task.AbstractDelayTask;
+import com.alibaba.nacos.common.task.NacosTask;
 import com.alibaba.nacos.common.task.NacosTaskProcessor;
 import com.alibaba.nacos.core.distributed.distro.entity.DistroKey;
 import com.alibaba.nacos.core.distributed.distro.task.DistroTaskEngineHolder;
@@ -50,12 +50,12 @@ public class DistroHttpDelayTaskProcessor implements NacosTaskProcessor {
     }
     
     @Override
-    public boolean process(AbstractDelayTask task) {
+    public boolean process(NacosTask task) {
         DistroDelayTask distroDelayTask = (DistroDelayTask) task;
         DistroKey distroKey = distroDelayTask.getDistroKey();
         DistroHttpCombinedKeyExecuteTask executeTask = new DistroHttpCombinedKeyExecuteTask(globalConfig,
                 distroTaskEngineHolder.getDelayTaskExecuteEngine(), distroKey, distroDelayTask.getAction());
-        distroTaskEngineHolder.getExecuteWorkersManager().dispatch(distroKey, executeTask);
+        distroTaskEngineHolder.getExecuteWorkersManager().addTask(distroKey, executeTask);
         return true;
     }
 }

naming/src/main/java/com/alibaba/nacos/naming/controllers/OperatorController.java

@@ -175,7 +175,6 @@ public class OperatorController {
      * @param request request
      * @return metrics information
      */
-    @Secured(resource = "naming/metrics", action = ActionTypes.READ)
     @GetMapping("/metrics")
     public ObjectNode metrics(HttpServletRequest request) {
         

naming/src/main/java/com/alibaba/nacos/naming/core/ServiceManager.java

@@ -40,7 +40,14 @@ import com.alibaba.nacos.naming.push.PushService;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.google.common.collect.Sets;
+import org.apache.commons.lang3.ArrayUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.springframework.util.CollectionUtils;
 
+import javax.annotation.PostConstruct;
+import javax.annotation.Resource;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
@@ -56,14 +63,6 @@ import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
-import javax.annotation.PostConstruct;
-import javax.annotation.Resource;
-
-import org.apache.commons.lang3.ArrayUtils;
-import org.apache.commons.lang3.StringUtils;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.stereotype.Component;
-import org.springframework.util.CollectionUtils;
 
 /**
  * Core manager storing all services in Nacos.

naming/src/main/java/com/alibaba/nacos/naming/core/SubscribeManager.java

@@ -110,7 +110,7 @@ public class SubscribeManager {
                                 + UtilsAndCommons.NACOS_NAMING_CONTEXT + SUBSCRIBER_ON_SYNC_URL, new ArrayList<>(),
                         paramValues);
                 
-                if (!result.ok()) {
+                if (result.ok()) {
                     Subscribers subscribers = JacksonUtils.toObj(result.getData(), Subscribers.class);
                     subscriberList.addAll(subscribers.getSubscribers());
                 }

naming/src/main/java/com/alibaba/nacos/naming/healthcheck/HealthCheckReactor.java

@@ -66,6 +66,7 @@ public class HealthCheckReactor {
         }
         try {
             scheduledFuture.cancel(true);
+            futureMap.remove(task.taskKey());
         } catch (Exception e) {
             Loggers.EVT_LOG.error("[CANCEL-CHECK] cancel failed!", e);
         }

naming/src/main/java/com/alibaba/nacos/naming/misc/NamingProxy.java

@@ -146,7 +146,7 @@ public class NamingProxy {
         }
         
         throw new IOException("failed to req API: " + "http://" + server + ApplicationUtils.getContextPath()
-                + UtilsAndCommons.NACOS_NAMING_CONTEXT + DATA_GET_URL + ". code: " + result.getCode() + " msg: "
+                + UtilsAndCommons.NACOS_NAMING_CONTEXT + ALL_DATA_GET_URL + ". code: " + result.getCode() + " msg: "
                 + result.getMessage());
     }
     

naming/src/main/java/com/alibaba/nacos/naming/misc/NetUtils.java

@@ -32,7 +32,7 @@ public class NetUtils {
      * @return local server address
      */
     public static String localServer() {
-        return InetUtils.getSelfIp() + UtilsAndCommons.IP_PORT_SPLITER + ApplicationUtils.getPort();
+        return InetUtils.getSelfIP() + UtilsAndCommons.IP_PORT_SPLITER + ApplicationUtils.getPort();
     }
     
     /**

naming/src/test/java/com/alibaba/nacos/naming/controllers/ClusterControllerTest.java

@@ -52,6 +52,8 @@ public class ClusterControllerTest extends BaseTest {
     @Before
     public void before() {
         super.before();
+        mockInjectSwitchDomain();
+        mockInjectDistroMapper();
         mockmvc = MockMvcBuilders.standaloneSetup(clusterController).build();
     }
     
@@ -87,17 +89,44 @@ public class ClusterControllerTest extends BaseTest {
     }
     
     @Test
-    public void testUpdateInvalidType() throws Exception {
+    public void testUpdateHealthCheckerType() throws Exception {
-        expectedException.expectCause(isA(NacosException.class));
+        
-        expectedException.expectMessage("unknown health check type:{\"type\":\"123\"}");
         Service service = new Service(TEST_SERVICE_NAME);
         service.setNamespaceId(Constants.DEFAULT_NAMESPACE_ID);
         when(serviceManager.getService(Constants.DEFAULT_NAMESPACE_ID, TEST_SERVICE_NAME)).thenReturn(service);
+        
         MockHttpServletRequestBuilder builder = MockMvcRequestBuilders
                 .put(UtilsAndCommons.NACOS_NAMING_CONTEXT + "/cluster").param("clusterName", TEST_CLUSTER_NAME)
                 .param("serviceName", TEST_SERVICE_NAME).param("healthChecker", "{\"type\":\"123\"}")
                 .param("checkPort", "1").param("useInstancePort4Check", "true");
         mockmvc.perform(builder);
+        
+        Assert.assertEquals("NONE", service.getClusterMap().get(TEST_CLUSTER_NAME).getHealthChecker().getType());
+        
+        MockHttpServletRequestBuilder builder2 = MockMvcRequestBuilders
+                .put(UtilsAndCommons.NACOS_NAMING_CONTEXT + "/cluster").param("clusterName", TEST_CLUSTER_NAME)
+                .param("serviceName", TEST_SERVICE_NAME).param("healthChecker", "{\"type\":\"TCP\"}")
+                .param("checkPort", "1").param("useInstancePort4Check", "true");
+        mockmvc.perform(builder2);
+        
+        Assert.assertEquals("TCP", service.getClusterMap().get(TEST_CLUSTER_NAME).getHealthChecker().getType());
+        
+        MockHttpServletRequestBuilder builder3 = MockMvcRequestBuilders
+                .put(UtilsAndCommons.NACOS_NAMING_CONTEXT + "/cluster").param("clusterName", TEST_CLUSTER_NAME)
+                .param("serviceName", TEST_SERVICE_NAME).param("healthChecker", "{\"type\":\"HTTP\"}")
+                .param("checkPort", "1").param("useInstancePort4Check", "true");
+        mockmvc.perform(builder3);
+        
+        Assert.assertEquals("HTTP", service.getClusterMap().get(TEST_CLUSTER_NAME).getHealthChecker().getType());
+    
+        MockHttpServletRequestBuilder builder4 = MockMvcRequestBuilders
+                .put(UtilsAndCommons.NACOS_NAMING_CONTEXT + "/cluster").param("clusterName", TEST_CLUSTER_NAME)
+                .param("serviceName", TEST_SERVICE_NAME).param("healthChecker", "{\"type\":\"MYSQL\"}")
+                .param("checkPort", "1").param("useInstancePort4Check", "true");
+        mockmvc.perform(builder4);
+    
+        Assert.assertEquals("MYSQL", service.getClusterMap().get(TEST_CLUSTER_NAME).getHealthChecker().getType());
+        
     }
     
 }

pom.xml

@@ -126,7 +126,7 @@
         <p3c-pmd.version>1.3.0</p3c-pmd.version>
 
         <!-- dependency version -->
-        <spring-boot-dependencies.version>2.1.16.RELEASE</spring-boot-dependencies.version>
+        <spring-boot-dependencies.version>2.1.17.RELEASE</spring-boot-dependencies.version>
         <servlet-api.version>3.0</servlet-api.version>
         <commons-lang.version>2.6</commons-lang.version>
         <commons-lang3.version>3.4</commons-lang3.version>

sys/src/main/java/com/alibaba/nacos/sys/utils/ApplicationUtils.java

@@ -346,7 +346,7 @@ public class ApplicationUtils implements ApplicationContextInitializer<Configura
     
     public static String getLocalAddress() {
         if (StringUtils.isBlank(localAddress)) {
-            localAddress = InetUtils.getSelfIp() + ":" + getPort();
+            localAddress = InetUtils.getSelfIP() + ":" + getPort();
         }
         return localAddress;
     }

sys/src/main/java/com/alibaba/nacos/sys/utils/InetUtils.java

@@ -26,6 +26,7 @@ import org.slf4j.LoggerFactory;
 import java.io.IOException;
 import java.net.Inet4Address;
 import java.net.InetAddress;
+import java.net.InetSocketAddress;
 import java.net.NetworkInterface;
 import java.net.UnknownHostException;
 import java.util.ArrayList;
@@ -56,11 +57,11 @@ public class InetUtils {
     
     private static final Pattern IP_PATTERN = Pattern.compile(IP_REGEX);
     
-    private static String selfIp;
+    private static String selfIP;
     
     private static boolean useOnlySiteLocalInterface = false;
     
-    private static boolean preferHostnameOverIp = false;
+    private static boolean preferHostnameOverIP = false;
     
     private static final List<String> PREFERRED_NETWORKS = new ArrayList<String>();
     
@@ -82,55 +83,56 @@ public class InetUtils {
         Runnable ipAutoRefresh = new Runnable() {
             @Override
             public void run() {
-                String nacosIp = System.getProperty(NACOS_SERVER_IP);
+                String nacosIP = System.getProperty(NACOS_SERVER_IP);
-                if (StringUtils.isBlank(nacosIp)) {
+                if (StringUtils.isBlank(nacosIP)) {
-                    nacosIp = ApplicationUtils.getProperty(IP_ADDRESS);
+                    nacosIP = ApplicationUtils.getProperty(IP_ADDRESS);
                 }
                 
-                if (!StringUtils.isBlank(nacosIp) && !isIP(nacosIp)) {
+                boolean illegalIP = !StringUtils.isBlank(nacosIP) && !(isIP(nacosIP) || isDomain(nacosIP));
-                    throw new RuntimeException("nacos address " + nacosIp + " is not ip");
+                if (illegalIP) {
+                    throw new RuntimeException("nacos address " + nacosIP + " is not ip");
                 }
-                String tmpSelfIp = nacosIp;
+                String tmpSelfIP = nacosIP;
-                if (StringUtils.isBlank(tmpSelfIp)) {
+                if (StringUtils.isBlank(tmpSelfIP)) {
-                    preferHostnameOverIp = Boolean.getBoolean(SYSTEM_PREFER_HOSTNAME_OVER_IP);
+                    preferHostnameOverIP = Boolean.getBoolean(SYSTEM_PREFER_HOSTNAME_OVER_IP);
                     
-                    if (!preferHostnameOverIp) {
+                    if (!preferHostnameOverIP) {
-                        preferHostnameOverIp = Boolean
+                        preferHostnameOverIP = Boolean
                                 .parseBoolean(ApplicationUtils.getProperty(PREFER_HOSTNAME_OVER_IP));
                     }
                     
-                    if (preferHostnameOverIp) {
+                    if (preferHostnameOverIP) {
                         InetAddress inetAddress;
                         try {
                             inetAddress = InetAddress.getLocalHost();
                             if (inetAddress.getHostName().equals(inetAddress.getCanonicalHostName())) {
-                                tmpSelfIp = inetAddress.getHostName();
+                                tmpSelfIP = inetAddress.getHostName();
                             } else {
-                                tmpSelfIp = inetAddress.getCanonicalHostName();
+                                tmpSelfIP = inetAddress.getCanonicalHostName();
                             }
                         } catch (UnknownHostException ignore) {
                             LOG.warn("Unable to retrieve localhost");
                         }
                     } else {
-                        tmpSelfIp = Objects.requireNonNull(findFirstNonLoopbackAddress()).getHostAddress();
+                        tmpSelfIP = Objects.requireNonNull(findFirstNonLoopbackAddress()).getHostAddress();
                     }
                 }
                 
-                if (!Objects.equals(selfIp, tmpSelfIp) && Objects.nonNull(selfIp)) {
+                if (!Objects.equals(selfIP, tmpSelfIP) && Objects.nonNull(selfIP)) {
                     IPChangeEvent event = new IPChangeEvent();
-                    event.setOldIp(selfIp);
+                    event.setOldIP(selfIP);
-                    event.setNewIp(tmpSelfIp);
+                    event.setNewIP(tmpSelfIP);
                     NotifyCenter.publishEvent(event);
                 }
-                selfIp = tmpSelfIp;
+                selfIP = tmpSelfIP;
             }
         };
         
         ipAutoRefresh.run();
     }
     
-    public static String getSelfIp() {
+    public static String getSelfIP() {
-        return selfIp;
+        return selfIP;
     }
     
     /**
@@ -219,35 +221,50 @@ public class InetUtils {
         return matcher.matches();
     }
     
+    /**
+     * juege str is right domain.
+     *
+     * @param str nacosIP
+     * @return nacosIP is domain
+     */
+    public static boolean isDomain(String str) {
+        InetSocketAddress address = new InetSocketAddress(str, 0);
+        boolean unResolved = address.isUnresolved();
+        if (unResolved) {
+            LOG.warn("the domain: '" + str + "' can not be resolved");
+        }
+        return !unResolved;
+    }
+    
     /**
      * {@link com.alibaba.nacos.core.cluster.ServerMemberManager} is listener.
      */
     @SuppressWarnings({"PMD.ClassNamingShouldBeCamelRule", "checkstyle:AbbreviationAsWordInName"})
     public static class IPChangeEvent extends SlowEvent {
         
-        private String oldIp;
+        private String oldIP;
         
-        private String newIp;
+        private String newIP;
         
-        public String getOldIp() {
+        public String getOldIP() {
-            return oldIp;
+            return oldIP;
         }
         
-        public void setOldIp(String oldIp) {
+        public void setOldIP(String oldIP) {
-            this.oldIp = oldIp;
+            this.oldIP = oldIP;
         }
         
-        public String getNewIp() {
+        public String getNewIP() {
-            return newIp;
+            return newIP;
         }
         
-        public void setNewIp(String newIp) {
+        public void setNewIP(String newIP) {
-            this.newIp = newIp;
+            this.newIP = newIP;
         }
         
         @Override
         public String toString() {
-            return "IPChangeEvent{" + "oldIp='" + oldIp + '\'' + ", newIp='" + newIp + '\'' + '}';
+            return "IPChangeEvent{" + "oldIP='" + oldIP + '\'' + ", newIP='" + newIP + '\'' + '}';
         }
     }
     

test/src/test/java/com/alibaba/nacos/test/config/ConfigDerbyRaft_DITCase.java

@@ -357,7 +357,7 @@ public class ConfigDerbyRaft_DITCase extends BaseClusterTest {
         // transfer leader to ip:8807
         
         Map<String, String> transfer = new HashMap<>();
-        transfer.put(JRaftConstants.TRANSFER_LEADER, InetUtils.getSelfIp() + ":9847");
+        transfer.put(JRaftConstants.TRANSFER_LEADER, InetUtils.getSelfIP() + ":9847");
         RestResult<String> result = protocol7.execute(transfer);
         System.out.println(result);
         Assert.assertTrue(result.ok());
@@ -372,7 +372,7 @@ public class ConfigDerbyRaft_DITCase extends BaseClusterTest {
         // transfer leader to ip:8808
         
         transfer = new HashMap<>();
-        transfer.put(JRaftConstants.TRANSFER_LEADER, InetUtils.getSelfIp() + ":9848");
+        transfer.put(JRaftConstants.TRANSFER_LEADER, InetUtils.getSelfIP() + ":9848");
         result = protocol8.execute(transfer);
         System.out.println(result);
         Assert.assertTrue(result.ok());
@@ -387,7 +387,7 @@ public class ConfigDerbyRaft_DITCase extends BaseClusterTest {
         // transfer leader to ip:8809
         
         transfer = new HashMap<>();
-        transfer.put(JRaftConstants.TRANSFER_LEADER, InetUtils.getSelfIp() + ":9849");
+        transfer.put(JRaftConstants.TRANSFER_LEADER, InetUtils.getSelfIP() + ":9849");
         result = protocol9.execute(transfer);
         System.out.println(result);
         Assert.assertTrue(result.ok());

test/src/test/java/com/alibaba/nacos/test/core/BaseClusterTest.java

@@ -90,7 +90,7 @@ public class BaseClusterTest extends HttpClient4Test {
     static {
         System.getProperties().setProperty("nacos.core.auth.enabled", "false");
         System.getProperties().setProperty("embeddedStorage", "true");
-        String ip = InetUtils.getSelfIp();
+        String ip = InetUtils.getSelfIP();
         clusterInfo = "nacos.member.list=" + ip + ":8847," + ip + ":8848," + ip + ":8849";
         
         NotifyCenter.registerSubscriber(new Subscriber<RaftDbErrorEvent>() {

test/src/test/java/com/alibaba/nacos/test/core/InetUtils_ITCase.java

@@ -39,7 +39,7 @@ public class InetUtils_ITCase {
 	static {
 		System.setProperty("nacos.core.inet.auto-refresh", "3");
 		// For load InetUtils.class
-		InetUtils.getSelfIp();
+		InetUtils.getSelfIP();
 	}
 
 	@Test
@@ -53,10 +53,10 @@ public class InetUtils_ITCase {
 		Subscriber<InetUtils.IPChangeEvent> subscribe = new Subscriber<InetUtils.IPChangeEvent>() {
 			@Override
 			public void onEvent(InetUtils.IPChangeEvent event) {
-				if (Objects.nonNull(event.getOldIp())) {
+				if (Objects.nonNull(event.getOldIP())) {
 					try {
 						System.out.println(event);
-						reference.set(event.getNewIp());
+						reference.set(event.getNewIP());
 					}
 					finally {
 						latch.countDown();
@@ -74,7 +74,7 @@ public class InetUtils_ITCase {
 		latch.await(10_000L, TimeUnit.MILLISECONDS);
 
 		Assert.assertEquals(testIp, reference.get());
-		Assert.assertEquals(testIp, InetUtils.getSelfIp());
+		Assert.assertEquals(testIp, InetUtils.getSelfIP());
 	}
 
 }

test/src/test/java/com/alibaba/nacos/test/core/cluster/MemberLookup_ITCase.java

@@ -69,7 +69,7 @@ public class MemberLookup_ITCase extends BaseTest {
 		DiskUtils.forceMkdir(Paths.get(path, "conf").toString());
 		File file = Paths.get(path, "conf", name).toFile();
 		DiskUtils.touch(file);
-		String ip = InetUtils.getSelfIp();
+		String ip = InetUtils.getSelfIP();
 		DiskUtils.writeFile(file, (ip + ":8848," + ip + ":8847," + ip + ":8849").getBytes(
 				StandardCharsets.UTF_8), false);
 

test/src/test/java/com/alibaba/nacos/test/naming/NamingMaintainService_ITCase.java

@@ -29,6 +29,7 @@ import com.alibaba.nacos.api.selector.ExpressionSelector;
 import com.alibaba.nacos.api.selector.NoneSelector;
 import com.alibaba.nacos.sys.utils.ApplicationUtils;
 import com.alibaba.nacos.test.BaseTest;
+import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
@@ -164,4 +165,9 @@ public class NamingMaintainService_ITCase extends BaseTest {
         Assert.assertTrue(namingMaintainService.deleteService(serviceName));
     }
     
+    @After
+    public void tearDown() throws NacosException {
+        namingMaintainService.shutDown();
+        namingService.shutDown();
+    }
 }