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https://issues.apache.org/jira/browse/AMQ-5664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Timothy Bish closed AMQ-5664.
-----------------------------
Resolution: Cannot Reproduce
We haven't been able to reproduce this in awhile to capture any meaningful
diagnostics
> ConcurrentModificationException seen from client send of TextMessage
> --------------------------------------------------------------------
>
> Key: AMQ-5664
> URL: https://issues.apache.org/jira/browse/AMQ-5664
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker, JMS client
> Affects Versions: 5.11.1
> Reporter: Timothy Bish
>
> While running test against the new QPid AMQP JMS client we send some messages
> to a Queue via the OpenWire JMS client over a VM transport connection for
> later consumption by the AMQP JMS client. During a recent test run we caught
> this:
> {noformat}
> Tests run: 18, Failures: 0, Errors: 1, Skipped: 1, Time elapsed: 27.368 sec
> <<< FAILURE! - in org.apache.qpid.jms.consumer.JmsMessageConsumerTest
> testSetMessageListenerAfterStartAndSend(org.apache.qpid.jms.consumer.JmsMessageConsumerTest)
> Time elapsed: 0.596 sec <<< ERROR!
> javax.jms.JMSException: java.util.ConcurrentModificationException
> at
> org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:54)
> at
> org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1420)
> at
> org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1346)
> at org.apache.activemq.ActiveMQSession.send(ActiveMQSession.java:1904)
> at
> org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:288)
> at
> org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:223)
> at
> org.apache.activemq.broker.region.RegionBroker.send(RegionBroker.java:468)
> at
> org.apache.activemq.broker.jmx.ManagedRegionBroker.send(ManagedRegionBroker.java:297)
> at
> org.apache.activemq.broker.CompositeDestinationBroker.send(CompositeDestinationBroker.java:96)
> at
> org.apache.activemq.broker.TransactionBroker.send(TransactionBroker.java:307)
> at org.apache.activemq.broker.BrokerFilter.send(BrokerFilter.java:152)
> at
> org.apache.activemq.security.AuthorizationBroker.send(AuthorizationBroker.java:223)
> at org.apache.activemq.broker.BrokerFilter.send(BrokerFilter.java:152)
> at
> org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:157)
> at
> org.apache.activemq.broker.TransportConnection.processMessage(TransportConnection.java:541)
> at
> org.apache.activemq.command.ActiveMQMessage.visit(ActiveMQMessage.java:768)
> at
> org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:334)
> at
> org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:188)
> at
> org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116)
> at
> org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50)
> at
> org.apache.activemq.transport.vm.VMTransport.iterate(VMTransport.java:248)
> at
> org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:133)
> at
> org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:48)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.util.ConcurrentModificationException: null
> at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
> at java.util.HashMap$KeyIterator.next(HashMap.java:1453)
> at
> org.apache.activemq.util.MarshallingSupport.marshalPrimitiveMap(MarshallingSupport.java:61)
> at
> org.apache.activemq.command.Message.beforeMarshall(Message.java:231)
> at
> org.apache.activemq.command.ActiveMQTextMessage.beforeMarshall(ActiveMQTextMessage.java:115)
> at
> org.apache.activemq.openwire.v10.MessageMarshaller.looseMarshal(MessageMarshaller.java:281)
> at
> org.apache.activemq.openwire.v10.ActiveMQMessageMarshaller.looseMarshal(ActiveMQMessageMarshaller.java:111)
> at
> org.apache.activemq.openwire.v10.ActiveMQTextMessageMarshaller.looseMarshal(ActiveMQTextMessageMarshaller.java:111)
> at
> org.apache.activemq.openwire.OpenWireFormat.marshal(OpenWireFormat.java:155)
> at
> org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore.addMessage(KahaDBStore.java:427)
> at
> org.apache.activemq.store.kahadb.KahaDBStore$StoreQueueTask.run(KahaDBStore.java:1296)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> Will need to dig in and see how this happened when we have a chance.
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