activemq-flow Deadlock in FlowController
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Key: AMQ-2108
URL: https://issues.apache.org/activemq/browse/AMQ-2108
Project: ActiveMQ
Issue Type: Bug
Affects Versions: incubation
Environment: n/a
Reporter: Colin MacNaughton
Fix For: incubation
The following deadlock can occur in FlowController.offer(). FlowController
shouldn't hold onto the mutex when calling flowElementAccepted
Thread [pipe://Broker#2] (Suspended)
Object.wait(long, int) line: not available [native method]
ExclusivePriorityQueue<E>(Object).wait() line: 199 [local variables
unavailable]
FlowController<E>.waitForResume() line: 372
FlowController<E>.blockSource(ISourceController<E>) line: 315
FlowController<E>.add(E, ISourceController<E>) line: 229
PriorityFlowController<E>.add(E, ISourceController<E>) line: 60
ExclusivePriorityQueue<E>.add(E, ISourceController<E>) line: 66
Router.route(ISourceController<Message>, Message) line: 30
RemoteConnection$1.flowElemAccepted(ISourceController<Message>,
Message) line: 92
RemoteConnection$1.flowElemAccepted(ISourceController, Object) line: 1
FlowController<E>.offer(E, ISourceController<E>) line: 266
RemoteConnection.onCommand(Object) line: 73
PipeTransportFactory$PipeTransport.run() line: 66
Thread.run() line: 788
Thread [consumer1-outbound] (Suspended)
FlowController<E>.onFlowResume(ISinkController<E>) line: 136
FlowController$2.run() line: 400
IDispatcher$RunnableAdapter.dispatch() line: 90
PriorityDispatcher$PriorityDispatchContext.dispatch() line: 183
PriorityDispatcher.run() line: 263
Thread.run() line: 788
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