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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-4632) Fix of AMQ-4328 causes deadlocks during set up of the bridge
Date Mon, 15 Jul 2013 14:10:51 GMT

    [ https://issues.apache.org/jira/browse/AMQ-4632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13708481#comment-13708481
] 

Timothy Bish commented on AMQ-4632:
-----------------------------------

Recommend you test against a 5.9-SNAPSHOT before digging to deep. 
                
> Fix of AMQ-4328 causes deadlocks during set up of the bridge
> ------------------------------------------------------------
>
>                 Key: AMQ-4632
>                 URL: https://issues.apache.org/jira/browse/AMQ-4632
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.8.0
>         Environment: Windows 2008 R2, JDK x64 1.7.0_21
>            Reporter: Patrik Dudits
>
> We are experiencing a situation where a broker deadlocks when starting a duplex bridge
and the startup interferes with message delivery (I suppose). The broker is running embedded
in Glassfish 3.1.2.2.
> {code}
> Thread Execution Information:
> -----------------------
> Thread "ActiveMQ Transport: tcp://xx/a.b.c.d:61616@61883" thread-id: 108 thread-state:
WAITING Waiting on lock: java.util.concurrent.locks.ReentrantLock$NonfairSync@462eb43f
> 	 at: sun.misc.Unsafe.park(Native Method)
> 	 at: java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	 at: java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
> 	 at: java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
> 	 at: java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
> 	 at: java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
> 	 at: java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
> 	 at: org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:66)
> 	 at: org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
> 	 at: org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1378)
> 	 at: org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:897)
> 	 at: org.apache.activemq.broker.TransportConnection.dispatchSync(TransportConnection.java:857)
> 	 at: org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:186)
> 	 at: org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116)
> 	 at: org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)
> 	 at: org.apache.activemq.transport.vm.VMTransport.doDispatch(VMTransport.java:138)
> 	 at: org.apache.activemq.transport.vm.VMTransport.dispatch(VMTransport.java:127)
> 	 at: org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:104)
> 	 at: org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68)
> 	 at: org.apache.activemq.transport.ResponseCorrelator.asyncRequest(ResponseCorrelator.java:81)
> 	 at: org.apache.activemq.transport.ResponseCorrelator.request(ResponseCorrelator.java:86)
> 	 at: org.apache.activemq.network.DemandForwardingBridgeSupport.addSubscription(DemandForwardingBridgeSupport.java:902)
> 	 at: org.apache.activemq.network.DemandForwardingBridgeSupport.addConsumerInfo(DemandForwardingBridgeSupport.java:1183)
> 	 at: org.apache.activemq.network.DemandForwardingBridgeSupport.serviceRemoteConsumerAdvisory(DemandForwardingBridgeSupport.java:763)
> 	 at: org.apache.activemq.network.DemandForwardingBridgeSupport.serviceRemoteCommand(DemandForwardingBridgeSupport.java:614)
> 	 at: org.apache.activemq.network.DemandForwardingBridgeSupport$3.onCommand(DemandForwardingBridgeSupport.java:219)
> 	 at: org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116)
> 	 at: org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)
> 	 at: org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)
> 	 at: org.apache.activemq.transport.AbstractInactivityMonitor.onCommand(AbstractInactivityMonitor.java:288)
> 	 at: org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
> 	 at: org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:214)
> 	 at: org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:196)
> 	 at: java.lang.Thread.run(Thread.java:722)
> Thread Synchronization Statistics:
> -----------------------
> This thread is blocked waiting on lock owned currently by thread named: ActiveMQ BrokerService[iconQR1]
Task-69, id: 1.118
> Number of times this thread was blocked (to enter/reenter a Monitor): 3
> Number of times this thread waited for a notification (i.e. it was in WAITING or TIMED_WAITING
state): 2
> Total CPU time for this thread: 0 seconds 265.625.000 nanoseconds.
> User-level CPU time for this thread: 0 seconds 265.625.000 nanoseconds.
> Object Monitors currently held or requested by this thread: []
> Ownable Synchronizers (e.g. ReentrantLock and ReentrantReadWriteLock) held by this thread:
[] 
> Thread Execution Information:
> -----------------------
> Thread "ActiveMQ BrokerService[iconQR1] Task-69" thread-id: 1.118 thread-state: WAITING
Waiting on lock: java.util.concurrent.locks.ReentrantLock$NonfairSync@59a48eb6
> 	 at: sun.misc.Unsafe.park(Native Method)
> 	 at: java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	 at: java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
> 	 at: java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
> 	 at: java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
> 	 at: java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
> 	 at: java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
> 	 at: org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:66)
> 	 at: org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
> 	 at: org.apache.activemq.network.DemandForwardingBridgeSupport.serviceLocalCommand(DemandForwardingBridgeSupport.java:972)
> 	 at: org.apache.activemq.network.DemandForwardingBridgeSupport$2.onCommand(DemandForwardingBridgeSupport.java:201)
> 	 at: org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116)
> 	 at: org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)
> 	 at: org.apache.activemq.transport.vm.VMTransport.doDispatch(VMTransport.java:138)
> 	 at: org.apache.activemq.transport.vm.VMTransport.dispatch(VMTransport.java:127)
> 	 at: org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:104)
> 	 at: org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68)
> 	 at: org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
> 	 at: org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1378)
> 	 at: org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:897)
> 	 at: org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:943)
> 	 at: org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:129)
> 	 at: org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:47)
> 	 at: java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> 	 at: java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> 	 at: java.lang.Thread.run(Thread.java:722)
> Thread Synchronization Statistics:
> -----------------------
> This thread is blocked waiting on lock owned currently by thread named: ActiveMQ Transport:
tcp://xx/a.b.c.d:61616@61883, id: 108
> Number of times this thread was blocked (to enter/reenter a Monitor): 0
> Number of times this thread waited for a notification (i.e. it was in WAITING or TIMED_WAITING
state): 393
> Total CPU time for this thread: 0 seconds 46.875.000 nanoseconds.
> User-level CPU time for this thread: 0 seconds 46.875.000 nanoseconds.
> Object Monitors currently held or requested by this thread: []
> Ownable Synchronizers (e.g. ReentrantLock and ReentrantReadWriteLock) held by this thread:
[]
> {code}
> The solution working for us was to revert commit [AMQ3274Test, org.apache.activemq.usecases.NetworkBridgeProducerFlowControlTest
- sync needs to be conditional|https://github.com/apache/activemq/commit/806ec21eb6c5969c11f235111b00d5b808f00aef].

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