I am using activemq 5.0-SNAPSHOT with a current project and have just
come across a situation where a thread blocks indefinitely trying to
publish a message. It happens during the session commit
The method ActiveMQDispatcherClient.dispatch is synchronized.
Here is the stack trace.
Thread [pool-5-thread-1] (Suspended)
Unsafe.park(boolean, long) line: not available [native method]
LockSupport.park() line: 118
AbstractQueuedSynchronizer$ConditionObject.await() line: 1767
ArrayBlockingQueue<E>.take() line: 341
FutureResponse.getResult() line: 40
ResponseCorrelator.request(Object) line: 76
ActiveMQConnection.syncSendPacket(Command) line: 1168
TransactionContext.commit() line: 259
ActiveMQSession.commit() line: 491
DefaultEnqueueStrategy<T>.dispatch(Session, MessageProducer,
DispatcherQueue, List<T>) line: 83
ActiveMQDispatcherClient.dispatch(List<T>) line: 195
Hub.dispatchObservations(List<DeviceFieldObservation>) line: 1004
ZoneFacadeImpl.observationsMade(List) line: 785
DeviceFieldObservationVendorImpl.vendObservations(List) line: 183
DeviceFieldObservationVendorImpl$StatusEventHandler.notifyEvent(DeviceEvent)
line: 687
EventManager$EventDeliverer.run() line: 174
Executors$RunnableAdapter.call() line: 442
ScheduledThreadPoolExecutor$ScheduledFutureTask(FutureTask).run()
line: 176
ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor$ScheduledFutureTask)
line: 102
ScheduledThreadPoolExecutor$ScheduledFutureTask.run() line: 215
ThreadPoolExecutor$Worker.runTask(Runnable) line: 665
ThreadPoolExecutor$Worker.run() line: 690
Thread.run() line: 613
cheers
</jima>
