Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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0.10, 0.11, 0.12
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None
Description
Deadlock is observed on simultaneous closing of connection on both client and broker when broker is shut down.
Found one Java-level deadlock:
=============================
"Thread-0":
waiting to lock monitor 0x0000000059d53cf8 (object 0x00000000bbea0000, a java.lang.Object),
which is held by "MinaNetworkTransport(Acceptor)-12"
"MinaNetworkTransport(Acceptor)-12":
waiting for ownable synchronizer 0x00000000bbed8b10, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),
which is held by "SubFlushRunner-org.apache.qpid.server.subscription.Subscription_0_10@6ce7ce4c"
"SubFlushRunner-org.apache.qpid.server.subscription.Subscription_0_10@6ce7ce4c":
waiting to lock monitor 0x0000000059671c58 (object 0x00000000bbf11540, a [Lorg.apache.qpid.transport.Method,
which is held by "MinaNetworkTransport(Acceptor)-12"
Java stack information for the threads listed above:
===================================================
"Thread-0":
at org.apache.qpid.transport.Connection.close(Connection.java:586)
- waiting to lock <0x00000000bbea0000> (a java.lang.Object)
at org.apache.qpid.server.transport.ServerConnection.close(ServerConnection.java:269)
at org.apache.qpid.server.connection.ConnectionRegistry.closeConnection(ConnectionRegistry.java:58)
at org.apache.qpid.server.connection.ConnectionRegistry.close(ConnectionRegistry.java:50)
at org.apache.qpid.server.virtualhost.VirtualHostImpl.close(VirtualHostImpl.java:574)
at org.apache.qpid.server.virtualhost.VirtualHostRegistry.close(VirtualHostRegistry.java:105)
at org.apache.qpid.server.registry.ApplicationRegistry.close(ApplicationRegistry.java:443)
at org.apache.qpid.server.registry.ApplicationRegistry.close(ApplicationRegistry.java:470)
at org.apache.qpid.server.registry.ConfigurationFileApplicationRegistry.close(ConfigurationFileApplicationRegistry.java:53)
at org.apache.qpid.server.registry.ApplicationRegistry.remove(ApplicationRegistry.java:203)
at org.apache.qpid.server.registry.ApplicationRegistry$ShutdownService.run(ApplicationRegistry.java:126)
at java.lang.Thread.run(Thread.java:662)
"MinaNetworkTransport(Acceptor)-12":
at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000bbed8b10> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:842)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1178)
at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:186)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:262)
at org.apache.qpid.server.subscription.Subscription_0_10.getSendLock(Subscription_0_10.java:663)
at org.apache.qpid.server.transport.ServerSession.unregister(ServerSession.java:409)
at org.apache.qpid.server.transport.ServerSessionDelegate.closed(ServerSessionDelegate.java:1250)
at org.apache.qpid.transport.Session.closed(Session.java:1041) - locked <0x00000000bbf11540> (a [Lorg.apache.qpid.transport.Method
at org.apache.qpid.transport.Connection.closed(Connection.java:551) - locked <0x00000000bbea0000> (a java.lang.Object)
at org.apache.qpid.transport.network.Assembler.closed(Assembler.java:110)
at org.apache.qpid.transport.network.InputHandler.closed(InputHandler.java:202)
at org.apache.qpid.server.protocol.ProtocolEngine_0_10.closed(ProtocolEngine_0_10.java:176)
at org.apache.qpid.server.protocol.MultiVersionProtocolEngine.closed(MultiVersionProtocolEngine.java:86)
at org.apache.qpid.transport.network.mina.MinaNetworkHandler.sessionClosed(MinaNetworkHandler.java:136)
at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.sessionClosed(AbstractIoFilterChain.java:550)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextSessionClosed(AbstractIoFilterChain.java:269)
at org.apache.mina.common.support.AbstractIoFilterChain.access$800(AbstractIoFilterChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.sessionClosed(AbstractIoFilterChain.java:633)
at org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java:230)
at org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(ExecutorFilter.java:264)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
at java.lang.Thread.run(Thread.java:662)
"SubFlushRunner-org.apache.qpid.server.subscription.Subscription_0_10@6ce7ce4c":
at org.apache.qpid.transport.Session.invoke(Session.java:586) - waiting to lock <0x00000000bbf11540> (a [Lorg.apache.qpid.transport.Method
at org.apache.qpid.server.transport.ServerSession.sendMessage(ServerSession.java:203)
at org.apache.qpid.server.subscription.Subscription_0_10.send(Subscription_0_10.java:602)
at org.apache.qpid.server.queue.SimpleAMQQueue.deliverMessage(SimpleAMQQueue.java:747)
at org.apache.qpid.server.queue.SimpleAMQQueue.attemptDelivery(SimpleAMQQueue.java:1666)
at org.apache.qpid.server.queue.SimpleAMQQueue.flushSubscription(SimpleAMQQueue.java:1605)
at org.apache.qpid.server.queue.SubFlushRunner.run(SubFlushRunner.java:58)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Found 1 deadlock.