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  1. JBoss A-MQ
  2. ENTMQ-1942

Deadlock in ActiveMQ RAR

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: Major Major
    • JBoss A-MQ 6.3.x
    • JBoss A-MQ 6.2.1
    • rar-jee
    • None

      A FSW application running on JBoss EAP 6.4.0 shows the following deadlock in the ActiveMQ RAR when producing messages to the broker under load.

      "ActiveMQ Session Task-1550" - Thread t@251233
         java.lang.Thread.State: BLOCKED
          at org.apache.activemq.TransactionContext.isInXATransaction(TransactionContext.java:102)
          - waiting to lock <39d3bfef> (a java.util.HashMap) owned by "Camel (camel-15) thread #9099 - JmsConsumer[MessageLogQueue]" t@251013
          at org.apache.activemq.ra.ManagedTransactionContext.isInXATransaction(ManagedTransactionContext.java:122)
          at org.apache.activemq.ActiveMQSession.isTransacted(ActiveMQSession.java:1998)
          at org.apache.activemq.ActiveMQMessageConsumer.redeliveryExpectedInCurrentTransaction(ActiveMQMessageConsumer.java:1462)
          at org.apache.activemq.ActiveMQMessageConsumer.dispatch(ActiveMQMessageConsumer.java:1432)
          - locked <7cde0191> (a java.lang.Object)
          at org.apache.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionExecutor.java:131)
          at org.apache.activemq.ActiveMQSessionExecutor.iterate(ActiveMQSessionExecutor.java:202)
          at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:133)
          at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:48)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
          at java.lang.Thread.run(Thread.java:745)
      
      "Camel (camel-15) thread #9099 - JmsConsumer[MessageLogQueue]" - Thread t@251013
         java.lang.Thread.State: BLOCKED
          at org.apache.activemq.FifoMessageDispatchChannel.close(FifoMessageDispatchChannel.java:133)
          - waiting to lock <7cde0191> (a java.lang.Object) owned by "ActiveMQ Session Task-1550" t@251233
          at org.apache.activemq.ActiveMQMessageConsumer.dispose(ActiveMQMessageConsumer.java:855)
          at org.apache.activemq.ActiveMQMessageConsumer.doClose(ActiveMQMessageConsumer.java:725)
          at org.apache.activemq.ActiveMQMessageConsumer$3.afterCommit(ActiveMQMessageConsumer.java:707)
          at org.apache.activemq.TransactionContext.afterCommit(TransactionContext.java:190)
          at org.apache.activemq.TransactionContext.commit(TransactionContext.java:596)
          - locked <39d3bfef> (a java.util.HashMap)
          [...]
      

              gtully@redhat.com Gary Tully
              rhn-support-kboone Kevin Boone
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                Created:
                Updated:
                Resolved: