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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-3455) Broker may deadlock when creating queues under load with wildcard consumers
Date Tue, 16 Aug 2011 17:17:27 GMT
Broker may deadlock when creating queues under load with wildcard consumers
---------------------------------------------------------------------------

                 Key: AMQ-3455
                 URL: https://issues.apache.org/jira/browse/AMQ-3455
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.5.0
            Reporter: Gary Tully
            Assignee: Gary Tully
             Fix For: 5.6.0


{code}Found one Java-level deadlock:
=============================
"ActiveMQ NIO Worker":
  waiting to lock monitor 108de7878 (object 7f4ca0520, a org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor),
  which is held by "ActiveMQ NIO Worker"
"ActiveMQ NIO Worker":
  waiting to lock monitor 108de64c8 (object 7f4ca1468, a java.lang.Object),
  which is held by "ActiveMQ NIO Worker"
"ActiveMQ NIO Worker":
  waiting to lock monitor 108de7878 (object 7f4ca0520, a org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor),
  which is held by "ActiveMQ NIO Worker"

Java stack information for the threads listed above:
===================================================
"ActiveMQ NIO Worker":
	at org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor.create(VirtualDestinationInterceptor.java:67)
	- waiting to lock <7f4ca0520> (a org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor)
	at org.apache.activemq.broker.region.CompositeDestinationInterceptor.create(CompositeDestinationInterceptor.java:52)
	at org.apache.activemq.broker.region.RegionBroker.addConsumer(RegionBroker.java:450)
	at org.apache.activemq.broker.jmx.ManagedRegionBroker.addConsumer(ManagedRegionBroker.java:247)
	at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
	at org.apache.activemq.advisory.AdvisoryBroker.addConsumer(AdvisoryBroker.java:80)
	at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
	at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
	at org.apache.activemq.broker.MutableBrokerFilter.addConsumer(MutableBrokerFilter.java:95)
	at org.apache.activemq.broker.TransportConnection.processAddConsumer(TransportConnection.java:556)
	at org.apache.activemq.command.ConsumerInfo.visit(ConsumerInfo.java:349)
	at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:316)
	at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:180)
	at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:69)
	at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)
	at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:227)
	- locked <7f5c933e8> (a org.apache.activemq.transport.InactivityMonitor$1)
	at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
	at org.apache.activemq.transport.nio.NIOTransport.serviceRead(NIOTransport.java:138)
	at org.apache.activemq.transport.nio.NIOTransport$1.onSelect(NIOTransport.java:69)
	at org.apache.activemq.transport.nio.SelectorSelection.onSelect(SelectorSelection.java:94)
	at org.apache.activemq.transport.nio.SelectorWorker$1.run(SelectorWorker.java:119)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:680)
"ActiveMQ NIO Worker":
	at org.apache.activemq.broker.region.AbstractRegion.getDestinations(AbstractRegion.java:231)
	- waiting to lock <7f4ca1468> (a java.lang.Object)
	at org.apache.activemq.broker.region.RegionBroker.getDestinations(RegionBroker.java:145)
	at org.apache.activemq.broker.region.virtual.VirtualTopic.create(VirtualTopic.java:56)
	at org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor.create(VirtualDestinationInterceptor.java:68)
	- locked <7f4ca0520> (a org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor)
	at org.apache.activemq.broker.region.CompositeDestinationInterceptor.create(CompositeDestinationInterceptor.java:52)
	at org.apache.activemq.broker.region.RegionBroker.addConsumer(RegionBroker.java:450)
	at org.apache.activemq.broker.jmx.ManagedRegionBroker.addConsumer(ManagedRegionBroker.java:247)
	at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
	at org.apache.activemq.advisory.AdvisoryBroker.addConsumer(AdvisoryBroker.java:80)
	at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
	at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
	at org.apache.activemq.broker.MutableBrokerFilter.addConsumer(MutableBrokerFilter.java:95)
	at org.apache.activemq.broker.TransportConnection.processAddConsumer(TransportConnection.java:556)
	at org.apache.activemq.command.ConsumerInfo.visit(ConsumerInfo.java:349)
	at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:316)
	at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:180)
	at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:69)
	at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)
	at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:227)
	- locked <7f564acc8> (a org.apache.activemq.transport.InactivityMonitor$1)
	at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
	at org.apache.activemq.transport.nio.NIOTransport.serviceRead(NIOTransport.java:138)
	at org.apache.activemq.transport.nio.NIOTransport$1.onSelect(NIOTransport.java:69)
	at org.apache.activemq.transport.nio.SelectorSelection.onSelect(SelectorSelection.java:94)
	at org.apache.activemq.transport.nio.SelectorWorker$1.run(SelectorWorker.java:119)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:680)
"ActiveMQ NIO Worker":
	at org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor.intercept(VirtualDestinationInterceptor.java:47)
	- waiting to lock <7f4ca0520> (a org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor)
	at org.apache.activemq.broker.region.CompositeDestinationInterceptor.intercept(CompositeDestinationInterceptor.java:38)
	at org.apache.activemq.broker.region.AbstractRegion.addDestination(AbstractRegion.java:129)
	- locked <7f4ca1468> (a java.lang.Object)
	at org.apache.activemq.broker.region.RegionBroker.addDestination(RegionBroker.java:301)
	at org.apache.activemq.broker.BrokerFilter.addDestination(BrokerFilter.java:145)
	at org.apache.activemq.advisory.AdvisoryBroker.addDestination(AdvisoryBroker.java:155)
	at org.apache.activemq.broker.BrokerFilter.addDestination(BrokerFilter.java:145)
	at org.apache.activemq.broker.BrokerFilter.addDestination(BrokerFilter.java:145)
	at org.apache.activemq.broker.MutableBrokerFilter.addDestination(MutableBrokerFilter.java:151)
	at org.apache.activemq.broker.region.RegionBroker.send(RegionBroker.java:520)
	at org.apache.activemq.broker.jmx.ManagedRegionBroker.send(ManagedRegionBroker.java:300)
	at org.apache.activemq.broker.BrokerFilter.send(BrokerFilter.java:129)
	at org.apache.activemq.broker.CompositeDestinationBroker.send(CompositeDestinationBroker.java:96)
	at org.apache.activemq.broker.TransactionBroker.send(TransactionBroker.java:306)
	at org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:135)
	at org.apache.activemq.broker.TransportConnection.processMessage(TransportConnection.java:468)
	at org.apache.activemq.command.ActiveMQMessage.visit(ActiveMQMessage.java:681)
	at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:316)
	at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:180)
	at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:69)
	at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)
	at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:227)
	- locked <7f52f5a90> (a org.apache.activemq.transport.InactivityMonitor$1)
	at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
	at org.apache.activemq.transport.nio.NIOTransport.serviceRead(NIOTransport.java:138)
	at org.apache.activemq.transport.nio.NIOTransport$1.onSelect(NIOTransport.java:69)
	at org.apache.activemq.transport.nio.SelectorSelection.onSelect(SelectorSelection.java:94)
	at org.apache.activemq.transport.nio.SelectorWorker$1.run(SelectorWorker.java:119)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:680)

Found 1 deadlock.{code}

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