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From "Hiram Chirino (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-1819) Deadlock occurs with a duplex network connection.
Date Fri, 20 Jun 2008 19:47:00 GMT
Deadlock occurs with a duplex network connection.
-------------------------------------------------

                 Key: AMQ-1819
                 URL: https://issues.apache.org/activemq/browse/AMQ-1819
             Project: ActiveMQ
          Issue Type: Bug
            Reporter: Hiram Chirino


here's the deadlock info:
{code}
Java stack information for the threads listed above:
===================================================
"NetworkBridge: java.util.concurrent.ThreadPoolExecutor$Worker@142a59e":
	at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:40)
	- waiting to lock <0x99f44d70> (a java.lang.Object)
	at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
	at org.apache.activemq.network.DemandForwardingBridgeSupport$5.run(DemandForwardingBridgeSupport.java:341)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
	at java.lang.Thread.run(Thread.java:619)
"BrokerService":
	at org.apache.activemq.broker.TransportConnection.lookupConnectionState(TransportConnection.java:1329)
	- waiting to lock <0x99f44ec8> (a org.apache.activemq.broker.TransportConnection)
	at org.apache.activemq.broker.TransportConnection.getConsumerBrokerExchange(TransportConnection.java:1246)
	- locked <0x99f667d8> (a java.util.HashMap)
	at org.apache.activemq.broker.TransportConnection.processMessageAck(TransportConnection.java:443)
	at org.apache.activemq.command.MessageAck.visit(MessageAck.java:196)
	at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:293)
	at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:181)
	at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:104)
	at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:68)
	at org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:113)
	at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:40)
	- locked <0x99f44d70> (a java.lang.Object)
	at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
	at org.apache.activemq.network.DemandForwardingBridgeSupport.serviceLocalCommand(DemandForwardingBridgeSupport.java:595)
	at org.apache.activemq.network.DemandForwardingBridgeSupport$1.onCommand(DemandForwardingBridgeSupport.java:143)
	at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:104)
	at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:68)
	at org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:113)
	at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:40)
	- locked <0x99f44eb0> (a java.lang.Object)
	at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
	at org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1188)
	at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:777)
	at org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:814)
	at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:122)
	at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:43)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
	at java.lang.Thread.run(Thread.java:619)
"ActiveMQ Transport Initiator: vm://localhost#18":
	at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:40)
	- waiting to lock <0x99f44eb0> (a java.lang.Object)
	at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
	at org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1188)
	at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:777)
	at org.apache.activemq.broker.TransportConnection.start(TransportConnection.java:860)
	- locked <0x99f44ec8> (a org.apache.activemq.broker.TransportConnection)
	at org.apache.activemq.broker.TransportConnector$1$1.run(TransportConnector.java:159)
{code}

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