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  1. JBoss A-MQ
  2. ENTMQ-924

ConcurrentModificationException Thrown From MarshallingSupport.marshalPrimitiveMap

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    • Bug
    • Resolution: Done
    • Major
    • JBoss A-MQ 6.2
    • JBoss A-MQ 6.0, JBoss A-MQ 6.1
    • broker

    Description

      The MarshallingSupport.marshalPrimitiveMap() method is iterating through a Map's key set; during which, the set is modified by another thread, resulting in a ConcurrentModificationException.| Exception in thread "ActiveMQ BrokerService[amq-tpmsgbsv01] Task-40" java.util.ConcurrentModificationException|

      INFO | jvm 1 | 2013/11/04 16:43:13 | at java.util.HashMap$HashIterator.nextEntry(Unknown Source)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at java.util.HashMap$KeyIterator.next(Unknown Source)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.util.MarshallingSupport.marshalPrimitiveMap(MarshallingSupport.java:61)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.command.Message.beforeMarshall(Message.java:226)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.command.ActiveMQTextMessage.beforeMarshall(ActiveMQTextMessage.java:107)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.openwire.v9.MessageMarshaller.looseMarshal(MessageMarshaller.java:277)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.openwire.v9.ActiveMQMessageMarshaller.looseMarshal(ActiveMQMessageMarshaller.java:111)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.openwire.v9.ActiveMQTextMessageMarshaller.looseMarshal(ActiveMQTextMessageMarshaller.java:111)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.openwire.OpenWireFormat.looseMarshalNestedObject(OpenWireFormat.java:497)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.openwire.v9.BaseDataStreamMarshaller.looseMarshalNestedObject(BaseDataStreamMarshaller.java:471)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.openwire.v9.MessageDispatchMarshaller.looseMarshal(MessageDispatchMarshaller.java:139)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.openwire.OpenWireFormat.marshal(OpenWireFormat.java:254)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.transport.tcp.TcpTransport.oneway(TcpTransport.java:175)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.transport.AbstractInactivityMonitor.doOnewaySend(AbstractInactivityMonitor.java:322)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.transport.AbstractInactivityMonitor.oneway(AbstractInactivityMonitor.java:304)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.transport.TransportFilter.oneway(TransportFilter.java:85)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.transport.WireFormatNegotiator.oneway(WireFormatNegotiator.java:104)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1378)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:897)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:943)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:129)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:47)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      INFO | jvm 1 | 2013/11/04 16:43:13 | at java.lang.Thread.run(Unknown Source)

      See attached wrapper.log.

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              Updated:
              Resolved: