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From "Hans Bausewein (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQ-1950) Deadlock using temporary queues in Pure Master/Slave setup
Date Tue, 07 Oct 2008 10:13:01 GMT

    [ https://issues.apache.org/activemq/browse/AMQ-1950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46224#action_46224
] 

Hans Bausewein commented on AMQ-1950:
-------------------------------------

Also works on JBoss 4.2.3.GA. (the other was 4.0.5)





> Deadlock using temporary queues in Pure Master/Slave setup
> ----------------------------------------------------------
>
>                 Key: AMQ-1950
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1950
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.2.0
>         Environment: JBoss 4.0.5 GA with ActiveMQ resource adapter and Java 1.6 update
7
> I used the ActiveMQ 5.2.0 RC1 from 10th september.
>            Reporter: Hans Bausewein
>            Assignee: Gary Tully
>             Fix For: 5.3.0
>
>         Attachments: activemqjee-0.0.4-src.tar.gz, amq-1950.patch.2.txt, deadlock.txt
>
>
> The deadlock occurs on the slave after sending some 30 messages. Sending a few at a time
works fine.
> The test application is a MessageDrivenBean that sends a message to another MDB with
a temporary reply queue.
> Name: TempQueue:  ID:selten.marketxs.com-40254-1222245868043-0:14:6
> State: WAITING on java.util.concurrent.locks.ReentrantLock$NonfairSync@f30862 owned by:
VMTransport: vm://solow.marketxs.com#1
> Total blocked: 0  Total waited: 1
> Stack trace: 
> sun.misc.Unsafe.park(Native Method)
> java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:747)
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:778)
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1114)
> java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:186)
> java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:262)
> org.apache.activemq.broker.region.Queue.iterate(Queue.java:992)
>    - locked org.apache.activemq.broker.region.Queue$2@16b775f
> org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98)
> org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)
> Name: VMTransport: vm://solow.marketxs.com#1
> State: BLOCKED on org.apache.activemq.broker.region.Queue$2@16b775f owned by: TempQueue:
 ID:selten.marketxs.com-40254-1222245868043-0:14:6
> Total blocked: 9  Total waited: 2,684
> Stack trace: 
> org.apache.activemq.broker.region.Queue.iterate(Queue.java:952)
> org.apache.activemq.broker.region.Queue.wakeup(Queue.java:1136)
> org.apache.activemq.broker.region.Queue.addSubscription(Queue.java:249)
> org.apache.activemq.broker.region.TempQueue.addSubscription(TempQueue.java:74)
> org.apache.activemq.broker.region.AbstractRegion.addConsumer(AbstractRegion.java:275)
>    - locked java.lang.Object@1ba2be8
> org.apache.activemq.broker.region.RegionBroker.addConsumer(RegionBroker.java:378)
> org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:86)
> org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:86)
> org.apache.activemq.advisory.AdvisoryBroker.addConsumer(AdvisoryBroker.java:83)
> org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:86)
> org.apache.activemq.broker.MutableBrokerFilter.addConsumer(MutableBrokerFilter.java:93)
> org.apache.activemq.broker.TransportConnection.processAddConsumer(TransportConnection.java:541)
> org.apache.activemq.command.ConsumerInfo.visit(ConsumerInfo.java:345)
> org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:305)
> org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:179)
> org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:104)
> org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:68)
> org.apache.activemq.transport.vm.VMTransport.iterate(VMTransport.java:205)
> org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98)
> org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)
> I'll try to reproduce the issue with a stand-alone JMS client. It also happens without
JBoss clustering.

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