You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@activemq.apache.org by "matteo rulli (JIRA)" <ji...@apache.org> on 2014/07/04 15:51:34 UTC
[jira] [Updated] (AMQ-4328) Cross talk over duplex network
connection can lead to blocking
[ https://issues.apache.org/jira/browse/AMQ-4328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
matteo rulli updated AMQ-4328:
------------------------------
Attachment: deadlock.jpg
> Cross talk over duplex network connection can lead to blocking
> --------------------------------------------------------------
>
> Key: AMQ-4328
> URL: https://issues.apache.org/jira/browse/AMQ-4328
> Project: ActiveMQ
> Issue Type: Bug
> Components: Connector
> Affects Versions: 5.7.0, 5.8.0
> Reporter: Gary Tully
> Assignee: Gary Tully
> Labels: bridge, duplex, hang, network
> Fix For: 5.9.0
>
> Attachments: deadlock.jpg
>
>
> with active forwarding in both directions a duplex network connector can block. in 5.8, threads of the form:{code}"ActiveMQ BrokerService[xx] Task-10" daemon prio=10 tid=0xb35d1c00 nid=0xc64 runnable [0xb3369000]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketOutputStream.socketWrite0(Native Method)
> at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
> at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
> at org.apache.activemq.transport.tcp.TcpBufferedOutputStream.flush(TcpBufferedOutputStream.java:115)
> at java.io.DataOutputStream.flush(DataOutputStream.java:106)
> at org.apache.activemq.transport.tcp.TcpTransport.oneway(TcpTransport.java:176)
> at org.apache.activemq.transport.AbstractInactivityMonitor.doOnewaySend(AbstractInactivityMonitor.java:322)
> at org.apache.activemq.transport.AbstractInactivityMonitor.oneway(AbstractInactivityMonitor.java:304)
> at org.apache.activemq.transport.TransportFilter.oneway(TransportFilter.java:85)
> at org.apache.activemq.transport.WireFormatNegotiator.oneway(WireFormatNegotiator.java:104)
> at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68)
> at org.apache.activemq.transport.ResponseCorrelator.asyncRequest(ResponseCorrelator.java:81)
> at org.apache.activemq.network.DemandForwardingBridgeSupport.serviceLocalCommand(DemandForwardingBridgeSupport.java:994)
> at org.apache.activemq.network.DemandForwardingBridgeSupport$2.onCommand(DemandForwardingBridgeSupport.java:201)
> at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116)
> at org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)
> at org.apache.activemq.transport.vm.VMTransport.doDispatch(VMTransport.java:138)
> at org.apache.activemq.transport.vm.VMTransport.dispatch(VMTransport.java:127)
> - locked <0x647f4650> (a java.util.concurrent.atomic.AtomicBoolean)
> at org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:104)
> at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68)
> at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
> at org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1378)
> at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:897)
> at org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:943)
> at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:129)
> at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:47)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> "ActiveMQ Transport: tcp:///xx:61616@40803" prio=10 tid=0xb3525400 nid=0xbec waiting on condition [0xb3276000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x64657028> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
> 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.activemq.transport.MutexTransport.oneway(MutexTransport.java:66)
> at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
> at org.apache.activemq.network.DemandForwardingBridgeSupport$7.onCompletion(DemandForwardingBridgeSupport.java:630)
> at org.apache.activemq.transport.FutureResponse.set(FutureResponse.java:65)
> at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:109)
> at org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)
> at org.apache.activemq.transport.vm.VMTransport.doDispatch(VMTransport.java:138)
> at org.apache.activemq.transport.vm.VMTransport.dispatch(VMTransport.java:127)
> - locked <0x647f4c80> (a java.util.concurrent.atomic.AtomicBoolean)
> at org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:104)
> at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68)
> at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
> at org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1378)
> at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:897)
> at org.apache.activemq.broker.TransportConnection.dispatchSync(TransportConnection.java:857)
> at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:186)
> at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116)
> at org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)
> at org.apache.activemq.transport.vm.VMTransport.doDispatch(VMTransport.java:138)
> at org.apache.activemq.transport.vm.VMTransport.dispatch(VMTransport.java:127)
> - locked <0x647e6528> (a java.util.concurrent.atomic.AtomicBoolean)
> at org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:104)
> at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68)
> at org.apache.activemq.transport.ResponseCorrelator.asyncRequest(ResponseCorrelator.java:81)
> at org.apache.activemq.network.DemandForwardingBridgeSupport.serviceRemoteCommand(DemandForwardingBridgeSupport.java:622)
> at org.apache.activemq.network.DemandForwardingBridgeSupport$3.onCommand(DemandForwardingBridgeSupport.java:219)
> at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116)
> at org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)
> at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)
> at org.apache.activemq.transport.AbstractInactivityMonitor.onCommand(AbstractInactivityMonitor.java:288)
> at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
> at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:214)
> at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:196)
> at java.lang.Thread.run(Thread.java:662){code}
--
This message was sent by Atlassian JIRA
(v6.2#6252)