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Posted to dev@qpid.apache.org by "Alex Rudyy (Assigned) (JIRA)" <ji...@apache.org> on 2011/10/25 10:28:32 UTC
[jira] [Assigned] (QPID-3446) Deadlock is observed on simultaneous
closing of connection on both Java client and broker when java broker is
shut down
[ https://issues.apache.org/jira/browse/QPID-3446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Rudyy reassigned QPID-3446:
--------------------------------
Assignee: Alex Rudyy (was: Robbie Gemmell)
> Deadlock is observed on simultaneous closing of connection on both Java client and broker when java broker is shut down
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: QPID-3446
> URL: https://issues.apache.org/jira/browse/QPID-3446
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker, Java Client
> Affects Versions: 0.10, 0.11, 0.12
> Reporter: Alex Rudyy
> Assignee: Alex Rudyy
> Attachments: 0001-QPID-3446-Unregister-existing-subscription-on-closin.patch, deadlock.txt
>
>
> 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.
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