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Dubbo消费者部署在Tomcat中，Tomcat shotdown后，消费者依然存在？ #2711

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HuangDayu opened this issue Oct 30, 2018 · 11 comments
Closed

Dubbo消费者部署在Tomcat中，Tomcat shotdown后，消费者依然存在？ #2711

HuangDayu opened this issue Oct 30, 2018 · 11 comments
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status/waiting-for-feedback Need reporters to triage

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@HuangDayu
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  • Tomcat log
30-Oct-2018 15:42:43.896 信息 [main] org.apache.catalina.core.StandardServer.await A valid shutdown command was received via the shutdown port. Stopping the Server instance.
30-Oct-2018 15:42:43.896 信息 [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio-8080"]
30-Oct-2018 15:42:43.949 信息 [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["ajp-nio-8009"]
30-Oct-2018 15:42:43.949 信息 [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Catalina]
30-Oct-2018 15:42:43.996 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [DubboRegistryFailedRetryTimer-thread-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.misc.Unsafe.park(Native Method)
 java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
 java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
 java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
 java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
 java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:43.997 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [ZkClient-EventThread-19-ali.huangdayu.cn:2181] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.misc.Unsafe.park(Native Method)
 java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
 java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
 java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
 org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:67)
30-Oct-2018 15:42:43.998 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [localhost-startStop-1-SendThread(47.106.91.50:2181)] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
 sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
 sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
 sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
 sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
 org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:349)
 org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)
30-Oct-2018 15:42:43.998 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [localhost-startStop-1-EventThread] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.misc.Unsafe.park(Native Method)
 java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
 java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
 java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
 org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:501)
30-Oct-2018 15:42:43.999 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [DubboSaveRegistryCache-thread-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.misc.Unsafe.park(Native Method)
 java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
 java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
 java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
 java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:43.999 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [New I/O worker #1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
 sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
 sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
 sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
 sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
 org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:409)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:206)
 org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:90)
 org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
 org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
 org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.000 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [New I/O worker #2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
 sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
 sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
 sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
 sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
 org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:409)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:206)
 org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:90)
 org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
 org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
 org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.000 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [New I/O worker #3] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
 sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
 sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
 sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
 sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
 org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:409)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:206)
 org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:90)
 org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
 org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
 org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.003 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [New I/O worker #4] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
 sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
 sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
 sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
 sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
 org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:409)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:206)
 org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:90)
 org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
 org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
 org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.003 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [New I/O worker #5] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
 sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
 sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
 sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
 sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
 org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:409)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:206)
 org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:90)
 org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
 org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
 org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.004 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [New I/O boss #6] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
 sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
 sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
 sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
 sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
 org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:409)
 org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:206)
 org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
 org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
 org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.004 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [DubboClientReconnectTimer-thread-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.misc.Unsafe.park(Native Method)
 java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
 java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
 java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
 java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
 java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.004 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [Hashed wheel timer #1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.lang.Thread.sleep(Native Method)
 org.jboss.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:503)
 org.jboss.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:401)
 org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.006 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [dubbo-remoting-client-heartbeat-thread-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.misc.Unsafe.park(Native Method)
 java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
 java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
 java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
 java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
 java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.008 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [DubboClientReconnectTimer-thread-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.misc.Unsafe.park(Native Method)
 java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
 java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
 java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
 java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
 java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.009 警告 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [falsework-consumer] appears to have started a thread named [DubboResponseTimeoutScanTimer] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.lang.Thread.sleep(Native Method)
 com.alibaba.dubbo.remoting.exchange.support.DefaultFuture$RemotingInvocationTimeoutScan.run(DefaultFuture.java:300)
 java.lang.Thread.run(Thread.java:748)
30-Oct-2018 15:42:44.009 严重 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [falsework-consumer] created a ThreadLocal with key of type [com.alibaba.dubbo.rpc.RpcContext$1] (value [com.alibaba.dubbo.rpc.RpcContext$1@1c493e03]) and a value of type [com.alibaba.dubbo.rpc.RpcContext] (value [com.alibaba.dubbo.rpc.RpcContext@4838347e]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
30-Oct-2018 15:42:44.009 严重 [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [falsework-consumer] created a ThreadLocal with key of type [com.alibaba.dubbo.rpc.RpcContext$1] (value [com.alibaba.dubbo.rpc.RpcContext$1@1c493e03]) and a value of type [com.alibaba.dubbo.rpc.RpcContext] (value [com.alibaba.dubbo.rpc.RpcContext@79166c21]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
30-Oct-2018 15:42:44.027 信息 [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio-8080"]
30-Oct-2018 15:42:44.031 信息 [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["ajp-nio-8009"]
30-Oct-2018 15:42:44.038 信息 [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-nio-8080"]
30-Oct-2018 15:42:44.038 信息 [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["ajp-nio-8009"]
  • pom.xml
<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>dubbo</artifactId>
			<version>2.5.3</version>
			<!-- 排除依赖 -->
			<exclusions>
				<exclusion>
					<artifactId>spring</artifactId>
					<groupId>org.springframework</groupId>
				</exclusion>
				<exclusion>
					<groupId>log4j</groupId>
					<artifactId>log4j</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
		<dependency>
			<groupId>org.apache.zookeeper</groupId>
			<artifactId>zookeeper</artifactId>
			<version>3.4.8</version>
			<exclusions>
				<exclusion>
					<groupId>org.slf4j</groupId>
					<artifactId>slf4j-log4j12</artifactId>
				</exclusion>
				<exclusion>
					<groupId>log4j</groupId>
					<artifactId>log4j</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
		<dependency>
			<groupId>com.github.sgroschupf</groupId>
			<artifactId>zkclient</artifactId>
			<version>0.1</version>
		</dependency>
  • spring-dubbo-consumer.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
    http://code.alibabatech.com/schema/dubbo
    http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

	<!-- 提供方应用信息，用于计算依赖关系 -->
	<dubbo:application name="falsework-consumer" owner="falsework" organization="cn-huangdayu-falsework-service-consumer" logger="slf4j"/>
	
    <dubbo:protocol name="dubbo"/>
    
    <dubbo:consumer check="false" timeout="15000"/>

	<!-- 使用zookeeper注册中心暴露服务地址 -->
	<dubbo:registry address="zookeeper://192.168.1.111:2181" />

	<!-- 声明需要暴露的服务接口 -->
	<!-- 生成远程服务代理，可以和本地bean一样使用demoService -->
	<dubbo:reference id="oAuthClientService"
		interface="cn.huangdayu.falsework.service.OAuthClientService" timeout="10000" />
	<dubbo:reference id="oAuthTokenService"
		interface="cn.huangdayu.falsework.service.OAuthTokenService" timeout="10000" />
	<dubbo:reference id="userService"
		interface="cn.huangdayu.falsework.service.UserService" timeout="10000" />

</beans>

请指教，谢谢！
@HuangDayu
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抱歉，多提了一条。:cold_sweat:

@carryxyh
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Pls provide a demo to reproduce this problem.

@beiwei30
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@HuangDayu can you debug https://github.com/apache/incubator-dubbo/blob/master/dubbo-registry/dubbo-registry-zookeeper/src/main/java/org/apache/dubbo/registry/zookeeper/ZookeeperRegistry.java#L199 to see what happens?

@beiwei30 beiwei30 added the status/waiting-for-feedback Need reporters to triage label Oct 31, 2018
@carryxyh
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@beiwei30
Seems like Dubbo create an EPHEMERAL for consumer node for default. The maintenance of the consumer node is handed over to the zk framework for maintenance.

@HuangDayu
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Pls provide a demo to reproduce this problem.

https://github.com/HuangDayu/falsework.git

@carryxyh

@HuangDayu
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MySQL

https://github.com/HuangDayu/ybwlw/blob/master/src/main/sql/ybwlw.sql

@carryxyh Thanks

@carryxyh
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Ok.
I will have a look. Seems like I just test your consumer module is enough. :)

@carryxyh
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Hi, I have check this problem on my mac.
Consumer nodes are automatically deleted.
When I open the consumer, it looks like this in zk:
image

after I closing the consumer, consumer node deleted:
image

In addition, please provide a simple demo as much as possible to reproduce your problem, do not submit your entire project, it will reduce the speed of our troubleshooting, the complete project is of no value for troubleshooting.

@HuangDayu
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@carryxyh

Consumer nodes:

https://github.com/HuangDayu/falsework/tree/master/falsework-consumer

My server use CentOS 7 , zookeeper version is 3.4.10 .
My PC use Deepin 15.7 , deploy the falsework-consumer.war package to Tomcat 8.5 , or , you can run java application cn.huangdayu.falsework.consumer.main.Main.java .

@zhoumingyu
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@carryxyh
I have the same problem，when I shut down tomcat，only one user thread is not closed and it is "Hashed wheel timer "

"Hashed wheel timer #1" #41 prio=5 os_prio=0 tid=0x00007ff778001000 nid=0x7181 waiting on condition [0x00007ff7d0607000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at org.jboss.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:445)
at org.jboss.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:364)
at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at java.lang.Thread.run(Thread.java:748)

@zhoumingyu
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this is log
catalina.txt

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@zhoumingyu @carryxyh @beiwei30 @HuangDayu