Deadlock between FilePendingMessageCursor and MemoryUsage
---------------------------------------------------------
Key: AMQ-1467
URL: https://issues.apache.org/activemq/browse/AMQ-1467
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Reporter: Nicky Sandhu
Priority: Critical
Deadlock detected by jconsole. Fairly easy to reproduce with a
maven-perf-test-plugin using journaled jdbc persistence. Using the latest
5.0-SNAPSHOT build
ActiveMQ Task
Name: ActiveMQ Task
State: BLOCKED on [EMAIL PROTECTED] owned by: ActiveMQ Transport:
tcp:///167.235.7.27:4215
Total blocked: 1,001 Total waited: 1,002
Stack trace:
org.apache.activemq.usage.MemoryUsage.increaseUsage(MemoryUsage.java:126)
org.apache.activemq.usage.MemoryUsage.increaseUsage(MemoryUsage.java:122)
org.apache.activemq.command.Message.incrementReferenceCount(Message.java:585)
org.apache.activemq.broker.region.cursors.FilePendingMessageCursor.next(FilePendingMessageCursor.java:198)
- locked [EMAIL PROTECTED]
org.apache.activemq.broker.region.cursors.StoreQueueCursor.next(StoreQueueCursor.java:129)
- locked [EMAIL PROTECTED]
org.apache.activemq.broker.region.Queue.buildList(Queue.java:1020)
- locked [EMAIL PROTECTED]
- locked [EMAIL PROTECTED]
org.apache.activemq.broker.region.Queue.doPageIn(Queue.java:1002)
org.apache.activemq.broker.region.Queue.pageInMessages(Queue.java:1065)
org.apache.activemq.broker.region.Queue.iterate(Queue.java:938)
org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:118)
org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:42)
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
java.lang.Thread.run(Thread.java:619)
ActiveMQ Transport: tcp://....:xxxx
Name: ActiveMQ Transport: tcp:///167.235.7.27:4215
State: BLOCKED on [EMAIL PROTECTED] owned by: ActiveMQ Task
Total blocked: 46 Total waited: 2
Stack trace:
org.apache.activemq.broker.region.cursors.FilePendingMessageCursor.onUsageChanged(FilePendingMessageCursor.java:260)
org.apache.activemq.usage.Usage.fireEvent(Usage.java:254)
org.apache.activemq.usage.Usage.setPercentUsage(Usage.java:224)
- locked [EMAIL PROTECTED]
org.apache.activemq.usage.MemoryUsage.decreaseUsage(MemoryUsage.java:149)
org.apache.activemq.usage.MemoryUsage.decreaseUsage(MemoryUsage.java:142)
org.apache.activemq.command.Message.decrementReferenceCount(Message.java:601)
- locked [EMAIL PROTECTED]
org.apache.activemq.broker.region.IndirectMessageReference.drop(IndirectMessageReference.java:137)
- locked [EMAIL PROTECTED]
org.apache.activemq.broker.region.QueueSubscription.acknowledge(QueueSubscription.java:56)
org.apache.activemq.broker.region.PrefetchSubscription.acknowledge(PrefetchSubscription.java:193)
- locked [EMAIL PROTECTED]
org.apache.activemq.broker.region.AbstractRegion.acknowledge(AbstractRegion.java:340)
org.apache.activemq.broker.region.RegionBroker.acknowledge(RegionBroker.java:427)
org.apache.activemq.broker.TransactionBroker.acknowledge(TransactionBroker.java:194)
org.apache.activemq.broker.BrokerFilter.acknowledge(BrokerFilter.java:73)
org.apache.activemq.broker.BrokerFilter.acknowledge(BrokerFilter.java:73)
org.apache.activemq.broker.MutableBrokerFilter.acknowledge(MutableBrokerFilter.java:87)
org.apache.activemq.broker.TransportConnection.processMessageAck(TransportConnection.java:478)
org.apache.activemq.command.MessageAck.visit(MessageAck.java:196)
org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:319)
org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:216)
org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:67)
org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:134)
org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:124)
- locked [EMAIL PROTECTED]
org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:183)
org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:170)
java.lang.Thread.run(Thread.java:619)
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