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From Danielius Jurna <daniel...@elitnet.lt>
Subject Re: Client deadlock in AMQ 4.1.0
Date Tue, 12 Dec 2006 07:06:41 GMT

There's jira issue for this bug:
https://issues.apache.org/activemq/browse/AMQ-1093


Danielius Jurna wrote:
> 
> In 4.1.0 there's deadlock on connection failover. There is the scenario:
> 1. Client consumes message using message listener
> 2. Conection is lost
> 3. Client sends message to another queue from messagle listener and waits
> untill connection is restored.
> 4. Reconnect task blocks on reconnecting.
> 
> This bug is new to 4.1.0. The problem is in
> ActiveMQMessageConsumre.dispatch . There is new lock on
> unconsumedMessages.getMutex() . So the reconnect task cannot invoke
> ActiveMQMessageConsumre.clearMessagesInProgress(), because lock is
> acquired by message listener, which waits untill message is send (untill
> connection is resumed). Here is stack traces:
> 
> "ActiveMQ Session Task" daemon prio=1 tid=0x0000002b27774260 nid=0x4778 in
> Object.wait() [0x0000000040ef3000..0x0000000040ef4db0]
> 	at java.lang.Object.wait(Native Method)
> 	- waiting on <0x0000002b0020a7c8> (a
> edu.emory.mathcs.backport.java.util.concurrent.locks.CondVar)
> 	at java.lang.Object.wait(Object.java:474)
> 	at
> edu.emory.mathcs.backport.java.util.concurrent.locks.CondVar.await(CondVar.java:75)
> 	- locked <0x0000002b0020a7c8> (a
> edu.emory.mathcs.backport.java.util.concurrent.locks.CondVar)
> 	at
> edu.emory.mathcs.backport.java.util.concurrent.ArrayBlockingQueue.take(ArrayBlockingQueue.java:318)
> 	at
> org.apache.activemq.transport.FutureResponse.getResult(FutureResponse.java:42)
> 	at
> org.apache.activemq.transport.ResponseCorrelator.request(ResponseCorrelator.java:75)
> 	at
> org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1171)
> 	at org.apache.activemq.ActiveMQSession.send(ActiveMQSession.java:1548)
> 	at
> org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:465)
> 	at org.apache.activemq.pool.PooledProducer.send(PooledProducer.java:75)
> 	- locked <0x0000002b173fa480> (a
> org.apache.activemq.ActiveMQMessageProducer)
> 	at org.apache.activemq.pool.PooledProducer.send(PooledProducer.java:60)
> 	at org.springframework.jms.core.JmsTemplate.doSend(JmsTemplate.java:537)
> 	at org.springframework.jms.core.JmsTemplate.doSend(JmsTemplate.java:513)
> 	at
> org.springframework.jms.core.JmsTemplate$2.doInJms(JmsTemplate.java:479)
> 	at org.springframework.jms.core.JmsTemplate.execute(JmsTemplate.java:430)
> 	at org.springframework.jms.core.JmsTemplate.send(JmsTemplate.java:477)
> 	at
> lt.elitnet.dbp.das.impl.storage.HI2StorageImpl.storeHI2Message(HI2StorageImpl.java:57)
> 	at
> lt.elitnet.dbp.das.impl.hi2.HI2PersistanceBase.saveIRIContent(HI2PersistanceBase.java:77)
> 	at sun.reflect.GeneratedMethodAccessor185.invoke(Unknown Source)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at
> org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
> 	at
> org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:203)
> 	at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:162)
> 	at
> org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
> 	at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
> 	at
> org.springframework.orm.hibernate3.HibernateInterceptor.invoke(HibernateInterceptor.java:104)
> 	at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
> 	at
> lt.elitnet.dbp.das.impl.alarming.DataBaseConnectionAlarmsPublisher.invoke(DataBaseConnectionAlarmsPublisher.java:59)
> 	at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
> 	at
> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:209)
> 	at $Proxy24.saveIRIContent(Unknown Source)
> 	at
> lt.elitnet.dbp.das.impl.hi2.HI2MessageListener.onMessage(HI2MessageListener.java:40)
> 	at
> lt.elitnet.dbp.commons.messaging.TextMessageListener.deliverMessage(TextMessageListener.java:84)
> 	at
> lt.elitnet.dbp.commons.messaging.TextMessageListener.onMessage(TextMessageListener.java:50)
> 	at
> org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:854)
> 	at
> org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:793)
> 	at
> org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:763)
> 	at
> org.springframework.jms.listener.AbstractMessageListenerContainer.executeListener(AbstractMessageListenerContainer.java:743)
> 	at
> org.springframework.jms.listener.SimpleMessageListenerContainer$2.onMessage(SimpleMessageListenerContainer.java:190)
> 	at
> org.apache.activemq.ActiveMQMessageConsumer.dispatch(ActiveMQMessageConsumer.java:840)
> 	- locked <0x0000002b1771ddc0> (a java.lang.Object)
> 	at
> org.apache.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionExecutor.java:96)
> 	at
> org.apache.activemq.ActiveMQSessionExecutor.iterate(ActiveMQSessionExecutor.java:165)
> 	at
> org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:111)
> 	at
> org.apache.activemq.thread.PooledTaskRunner.access$100(PooledTaskRunner.java:26)
> 	at
> org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:44)
> 	at
> edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
> 	at
> edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
> 	at java.lang.Thread.run(Thread.java:595)
> 
> "ActiveMQ Transport: tcp:///192.168.2.55:61616" prio=1
> tid=0x0000002b2e814660 nid=0x4773 waiting for monitor entry
> [0x0000000040e82000..0x0000000040e82c30]
> 	at
> org.apache.activemq.MessageDispatchChannel.clear(MessageDispatchChannel.java:135)
> 	- waiting to lock <0x0000002b1771ddc0> (a java.lang.Object)
> 	at
> org.apache.activemq.ActiveMQMessageConsumer.clearMessagesInProgress(ActiveMQMessageConsumer.java:546)
> 	at
> org.apache.activemq.ActiveMQSession.clearMessagesInProgress(ActiveMQSession.java:524)
> 	at
> org.apache.activemq.ActiveMQConnection.transportInterupted(ActiveMQConnection.java:1547)
> 	at
> org.apache.activemq.transport.TransportFilter.transportInterupted(TransportFilter.java:100)
> 	at
> org.apache.activemq.transport.TransportFilter.transportInterupted(TransportFilter.java:100)
> 	at
> org.apache.activemq.transport.failover.FailoverTransport.handleTransportFailure(FailoverTransport.java:236)
> 	at
> org.apache.activemq.transport.failover.FailoverTransport.access$300(FailoverTransport.java:55)
> 	at
> org.apache.activemq.transport.failover.FailoverTransport$1.onException(FailoverTransport.java:120)
> 	at
> org.apache.activemq.transport.TransportFilter.onException(TransportFilter.java:96)
> 	at
> org.apache.activemq.transport.WireFormatNegotiator.onException(WireFormatNegotiator.java:147)
> 	at
> org.apache.activemq.transport.InactivityMonitor.onException(InactivityMonitor.java:150)
> 	at
> org.apache.activemq.transport.TransportSupport.onException(TransportSupport.java:97)
> 	at
> org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:150)
> 	at java.lang.Thread.run(Thread.java:595)
> 

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