You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@activemq.apache.org by "Rob Davies (JIRA)" <ji...@apache.org> on 2008/01/21 08:03:23 UTC
[jira] Assigned: (AMQ-1475) deadlock in Usage & Topic
[ https://issues.apache.org/activemq/browse/AMQ-1475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rob Davies reassigned AMQ-1475:
-------------------------------
Assignee: Rob Davies
> deadlock in Usage & Topic
> -------------------------
>
> Key: AMQ-1475
> URL: https://issues.apache.org/activemq/browse/AMQ-1475
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.0.0
> Reporter: Alex Burgel
> Assignee: Rob Davies
> Priority: Critical
>
> Found one Java-level deadlock:
> =============================
> "ActiveMQ Task":
> waiting to lock monitor 0x081615fc (object 0xa3ba9c38, a java.util.LinkedList),
> which is held by "ActiveMQ Transport: tcp:///192.168.1.119:40586"
> "ActiveMQ Transport: tcp:///192.168.1.119:40586":
> waiting to lock monitor 0x08161598 (object 0xa3badb80, a java.lang.Object),
> which is held by "ActiveMQ Task"
> Java stack information for the threads listed above:
> ===================================================
> "ActiveMQ Task":
> at org.apache.activemq.broker.region.Topic$1.run(Topic.java:94)
> - waiting to lock <0xa3ba9c38> (a java.util.LinkedList)
> at org.apache.activemq.usage.Usage.fireEvent(Usage.java:255)
> - locked <0xa3badb80> (a java.lang.Object)
> at org.apache.activemq.usage.Usage.setPercentUsage(Usage.java:232)
> - locked <0xa3badb80> (a java.lang.Object)
> at org.apache.activemq.usage.MemoryUsage.decreaseUsage(MemoryUsage.java:149)
> at org.apache.activemq.command.Message.decrementReferenceCount(Message.java:602)
> - locked <0xa73f5628> (a org.apache.activemq.command.ActiveMQObjectMessage)
> at org.apache.activemq.broker.region.TopicSubscription$2.run(TopicSubscription.java:422)
> at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:773)
> at org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:801)
> at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:118)
> at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:42)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "ActiveMQ Transport: tcp:///192.168.1.119:40586":
> at org.apache.activemq.usage.Usage.notifyCallbackWhenNotFull(Usage.java:354)
> - waiting to lock <0xa3badb80> (a java.lang.Object)
> at org.apache.activemq.broker.region.Topic.send(Topic.java:346)
> - locked <0xa3ba9c38> (a java.util.LinkedList)
> at org.apache.activemq.broker.region.AbstractRegion.send(AbstractRegion.java:328)
> at org.apache.activemq.broker.region.RegionBroker.send(RegionBroker.java:402)
> at org.apache.activemq.broker.TransactionBroker.send(TransactionBroker.java:224)
> at org.apache.activemq.broker.BrokerFilter.send(BrokerFilter.java:125)
> at org.apache.activemq.broker.CompositeDestinationBroker.send(CompositeDestinationBroker.java:95)
> at org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:135)
> at org.apache.activemq.broker.TransportConnection.processMessage(TransportConnection.java:434)
> at org.apache.activemq.command.ActiveMQMessage.visit(ActiveMQMessage.java:623)
> at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:281)
> at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:178)
> at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:67)
> at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:134)
> at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:126)
> - locked <0xa5d116e8> (a org.apache.activemq.transport.InactivityMonitor$1)
> at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
> at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:183)
> at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:170)
> at java.lang.Thread.run(Thread.java:619)
> using snapshot apache-activemq-5.0-20071022.150246-30
> java 1.6.0_01 on linux
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.