Btw, the docs on http://www.activemq.org/site/consumer-dispatch-async.html
refer to dispatchAsync but the code uses asyncDispatch.
I guess this is an oversight, right ?
On 8/11/06, Hiram Chirino <[EMAIL PROTECTED]> wrote:
>
> I think that if we enable async dispatch this issue should go away.
> This would only affect vm transport since the transport oneways. We
> should look into making async to be dispatch be the default when using
> the vm transport.
>
> On 8/11/06, Guillaume Nodet <[EMAIL PROTECTED]> wrote:
> > I sometime have deadlocks while running junit tests that involve
> ActiveMQ.
> > Following is a stack trace i dumped.
> > As you can see, the two last threads are deadlocked because of the
> > MutexTransport.
> > This cause the first thread (main thread) to hang forever.
> >
> > Thread [main] (Suspended)
> > MutexTransport.oneway(Command) line: 44
> > ==> MutexTransport (id=292)
> > ResponseCorrelator.oneway(Command) line: 58
> >
> ManagedTransportConnection(TransportConnection).dispatch(Command)
> > line: 211
> >
> > ManagedTransportConnection(AbstractConnection).processDispatch(Command)
> > line: 628
> >
> ManagedTransportConnection(AbstractConnection).dispatchSync(Command)
> > line: 605
> > TopicSubscription.dispatch(MessageReference) line: 315
> > TopicSubscription.add(MessageReference) line: 74
> > SimpleDispatchPolicy.dispatch(ConnectionContext,
> MessageReference,
> > MessageEvaluationContext, List) line: 50
> > Topic.dispatch(ConnectionContext, Message) line: 443
> > Topic.send(ConnectionContext, Message) line: 254
> > ManagedTopicRegion(AbstractRegion).send(ConnectionContext,
> Message)
> > line: 225
> > ManagedRegionBroker(RegionBroker).send(ConnectionContext,
> Message)
> > line: 345
> > TransactionBroker.send(ConnectionContext, Message) line: 192
> > AdvisoryBroker(BrokerFilter).send(ConnectionContext, Message)
> line:
> > 113
> > CompositeDestinationBroker.send(ConnectionContext, Message)
> line:
> > 97
> > BrokerService$2(MutableBrokerFilter).send(ConnectionContext,
> > Message) line: 126
> >
> > ManagedTransportConnection(AbstractConnection).processMessage(Message)
> line:
> > 377
> > ActiveMQObjectMessage(ActiveMQMessage).visit(CommandVisitor)
> line:
> > 590
> > ManagedTransportConnection(AbstractConnection).service(Command)
> > line: 226
> > TransportConnection$1.onCommand(Command) line: 62
> > ResponseCorrelator.onCommand(Command) line: 91
> > MutexTransport(TransportFilter).onCommand(Command) line: 63
> > VMTransportServer$1(VMTransport).oneway(Command) line: 76
> > MutexTransport.oneway(Command) line: 44
> > => MutexTransport (id=314)
> > ResponseCorrelator.oneway(Command) line: 58
> > ActiveMQConnection.asyncSendPacket(Command) line: 1092
> > ActiveMQSession.send(ActiveMQMessageProducer,
> ActiveMQDestination,
> > Message, int, int, long) line: 1553
> > ActiveMQMessageProducer.send(Destination, Message, int, int,
> long)
> > line: 462
> > ActiveMQMessageProducer.send(Message) line: 356
> > JCAFlow.sendJmsMessage(Destination, Serializable, boolean,
> boolean)
> > line: 707
> > JCAFlow.onInternalEndpointUnregistered(EndpointEvent, boolean)
> line:
> > 462
> > JCAFlow$1.internalEndpointUnregistered(EndpointEvent) line: 245
> > EndpointRegistry.fireEvent(ServiceEndpoint, int) line: 575
> > EndpointRegistry.unregisterInternalEndpoint(ComponentContext,
> > InternalEndpoint) line: 199
> > Registry.deactivateEndpoint(ComponentContext, InternalEndpoint)
> > line: 205
> > ComponentContextImpl.deactivateEndpoint(ServiceEndpoint) line:
> > 157
> > ReceiverComponent(PojoSupport).shutDown() line: 103
> > ComponentMBeanImpl.doShutDown() line: 335
> > ComponentRegistry.shutDown() line: 105
> > Registry.shutDown() line: 142
> > SpringJBIContainer(JBIContainer).shutDown() line: 601
> > SpringJBIContainer.destroy() line: 184
> > DisposableBeanAdapter.destroy() line: 97
> >
> DefaultListableBeanFactory(AbstractBeanFactory).destroyBean(String,
> > Object) line: 1159
> >
> >
> DefaultListableBeanFactory(AbstractBeanFactory).destroyDisposableBean(String)
> > line: 1131
> >
> DefaultListableBeanFactory(AbstractBeanFactory).destroySingletons()
> > line: 660
> >
> ClassPathXmlApplicationContext(AbstractApplicationContext).doClose()
> > line: 594
> >
> ClassPathXmlApplicationContext(AbstractApplicationContext).close()
> > line: 563
> >
> ClassPathXmlApplicationContext(AbstractApplicationContext).destroy()
> > line: 552
> > JmsSpringJcaTest(SpringTestSupport).tearDown() line: 66
> > JmsSpringJcaTest.tearDown() line: 52
> > JmsSpringJcaTest(TestCase).runBare() line: 130
> > TestResult$1.protect() line: 106
> > TestResult.runProtected(Test, Protectable) line: 124
> > TestResult.run(TestCase) line: 109
> > JmsSpringJcaTest(TestCase).run(TestResult) line: 118
> > TestSuite.runTest(Test, TestResult) line: 208
> > TestSuite.run(TestResult) line: 203
> > JUnit3TestReference.run(TestExecution) line: 128
> > TestExecution.run(ITestReference[]) line: 38
> > RemoteTestRunner.runTests(String[], String, TestExecution) line:
> > 460
> > RemoteTestRunner.runTests(TestExecution) line: 673
> > RemoteTestRunner.run() line: 386
> > RemoteTestRunner.main(String[]) line: 196
> > Thread [ActiveMQ Session Task] (Suspended)
> > MutexTransport.oneway(Command) line: 44
> > ==> MutexTransport (id=419)
> > ResponseCorrelator.oneway(Command) line: 58
> > ActiveMQConnection.asyncSendPacket(Command) line: 1092
> > ActiveMQSession.<init>(ActiveMQConnection, SessionId, int,
> boolean,
> > boolean) line: 227
> > ActiveMQConnection.createSession(boolean, int) line: 274
> > ServerSessionPoolImpl.createServerSessionImpl() line: 60
> > ServerSessionPoolImpl.getServerSession() line: 113
> > ActiveMQConnectionConsumer.dispatch(MessageDispatch) line: 135
> > ActiveMQConnection.onCommand(Command) line: 1403
> > ResponseCorrelator.onCommand(Command) line: 91
> > MutexTransport(TransportFilter).onCommand(Command) line: 63
> > VMTransport.oneway(Command) line: 76
> > MutexTransport.oneway(Command) line: 44
> > ==> MutexTransport (id=292)
> > ResponseCorrelator.oneway(Command) line: 58
> >
> ManagedTransportConnection(TransportConnection).dispatch(Command)
> > line: 211
> >
> > ManagedTransportConnection(AbstractConnection).processDispatch(Command)
> > line: 628
> >
> ManagedTransportConnection(AbstractConnection).dispatchSync(Command)
> > line: 605
> > TopicSubscription.dispatch(MessageReference) line: 315
> > TopicSubscription.add(MessageReference) line: 74
> > SimpleDispatchPolicy.dispatch(ConnectionContext,
> MessageReference,
> > MessageEvaluationContext, List) line: 50
> > Topic.dispatch(ConnectionContext, Message) line: 443
> > Topic.send(ConnectionContext, Message) line: 254
> > ManagedTopicRegion(AbstractRegion).send(ConnectionContext,
> Message)
> > line: 225
> > ManagedRegionBroker(RegionBroker).send(ConnectionContext,
> Message)
> > line: 345
> > TransactionBroker.send(ConnectionContext, Message) line: 192
> > AdvisoryBroker(BrokerFilter).send(ConnectionContext, Message)
> line:
> > 113
> > CompositeDestinationBroker.send(ConnectionContext, Message)
> line:
> > 97
> > BrokerService$2(MutableBrokerFilter).send(ConnectionContext,
> > Message) line: 126
> >
> > ManagedTransportConnection(AbstractConnection).processMessage(Message)
> line:
> > 377
> > ActiveMQObjectMessage(ActiveMQMessage).visit(CommandVisitor)
> line:
> > 590
> > ManagedTransportConnection(AbstractConnection).service(Command)
> > line: 226
> > TransportConnection$1.onCommand(Command) line: 62
> > ResponseCorrelator.onCommand(Command) line: 91
> > MutexTransport(TransportFilter).onCommand(Command) line: 63
> > VMTransportServer$1(VMTransport).oneway(Command) line: 76
> > MutexTransport.oneway(Command) line: 44
> > ==> MutexTransport (id=534)
> > ResponseCorrelator.oneway(Command) line: 58
> > ActiveMQConnection.asyncSendPacket(Command) line: 1092
> > ActiveMQSession.send(ActiveMQMessageProducer,
> ActiveMQDestination,
> > Message, int, int, long) line: 1553
> > ActiveMQMessageProducer.send(Destination, Message, int, int,
> long)
> > line: 462
> > ActiveMQMessageProducer.send(Message) line: 356
> > JCAFlow.sendJmsMessage(Destination, Serializable, boolean,
> boolean)
> > line: 707
> > JCAFlow.onInternalEndpointRegistered(EndpointEvent, boolean)
> line:
> > 445
> > JCAFlow.onAdvisoryMessage(Object) line: 618
> > JCAFlow$4.onMessage(Message) line: 336
> > ActiveMQMessageConsumer.dispatch(MessageDispatch) line: 795
> > ActiveMQSessionExecutor.dispatch(MessageDispatch) line: 96
> > ActiveMQSessionExecutor.iterate() line: 149
> > PooledTaskRunner.runTask() line: 110
> > PooledTaskRunner.access$100(PooledTaskRunner) line: 25
> > PooledTaskRunner$1.run() line: 43
> > ThreadPoolExecutor$Worker.runTask(Runnable) line: 650
> > ThreadPoolExecutor$Worker.run() line: 675
> > Thread.run() line: 595
> > Thread [Thread-87] (Suspended)
> > MutexTransport.oneway(Command) line: 44
> > ==> MutexTransport (id=292)
> > ResponseCorrelator.oneway(Command) line: 58
> >
> ManagedTransportConnection(TransportConnection).dispatch(Command)
> > line: 211
> > TransportConnection$1.onCommand(Command) line: 64
> > ResponseCorrelator.onCommand(Command) line: 91
> > MutexTransport(TransportFilter).onCommand(Command) line: 63
> > VMTransportServer$1(VMTransport).oneway(Command) line: 76
> > MutexTransport.oneway(Command) line: 44
> > ==> MutexTransport (id=419)
> > ResponseCorrelator.asyncRequest(Command, ResponseCallback) line:
> > 66
> > ResponseCorrelator.request(Command) line: 71
> > ActiveMQConnection.syncSendPacket(Command) line: 1112
> > ActiveMQConnectionConsumer.<init>(ActiveMQConnection,
> > ServerSessionPool, ConsumerInfo) line: 85
> > ActiveMQConnection.createConnectionConsumer(Destination, String,
> > ServerSessionPool, int, boolean) line: 1022
> > ActiveMQEndpointWorker$1.run() line: 163
> > WorkerContext.run() line: 291
> > PooledExecutor$Worker.run() line: not available
> > Thread.run() line: 595
> >
> >
> > --
> > Cheers,
> > Guillaume Nodet
> >
> >
>
>
> --
> Regards,
> Hiram
>
> Blog: http://hiramchirino.com
>
--
Cheers,
Guillaume Nodet
