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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (AMQ-2836) ConcurrentModificationException while sending messages to composite destinations
Date Mon, 19 Jul 2010 15:00:53 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully reassigned AMQ-2836:
-------------------------------

    Assignee: Gary Tully

> ConcurrentModificationException while sending messages to composite destinations
> --------------------------------------------------------------------------------
>
>                 Key: AMQ-2836
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2836
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.3.1
>         Environment: Linux version 2.6.18-92.1.13.el5
> Java 1.6.0_18
>            Reporter: Hadrian Zbarcea
>            Assignee: Gary Tully
>            Priority: Critical
>             Fix For: 5.4.0
>
>
> When the LoggingBrokerPlugin is used and sending messages to composite destinations there
is a very high amount of ConcurrentModificationException on the broker.
> The exception thrown on the server side is also propagated to the client side and appears
there as well as the additional exception that is thrown on the client side.
> This is the stack trace on the server side:
> {code}
> java.util.ConcurrentModificationException
>         at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
>         at java.util.HashMap$EntryIterator.next(HashMap.java:834)
>         at java.util.HashMap$EntryIterator.next(HashMap.java:832)
>         at java.util.HashMap.putAllForCreate(HashMap.java:435)
>         at java.util.HashMap.<init>(HashMap.java:225)
>         at org.apache.activemq.command.Message.copy(Message.java:120)
>         at org.apache.activemq.command.ActiveMQMessage.copy(ActiveMQMessage.java:64)
>         at org.apache.activemq.command.ActiveMQObjectMessage.copy(ActiveMQObjectMessage.java:81)
>         at org.apache.activemq.command.ActiveMQObjectMessage.copy(ActiveMQObjectMessage.java:75)
>         at org.apache.activemq.broker.CompositeDestinationBroker.send(CompositeDestinationBroker.java:88)
>         at org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:133)
>         at org.apache.activemq.broker.util.LoggingBrokerPlugin.send(LoggingBrokerPlugin.java:280)
>         at org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:133)
>         at org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:133)
>         at org.apache.activemq.broker.TransportConnection.processMessage(TransportConnection.java:446)
>         at org.apache.activemq.command.ActiveMQMessage.visit(ActiveMQMessage.java:631)
>         at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:300)
>         at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:178)
>         at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:68)
>         at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:68)
>         at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)
>         at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:216)
>         at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:84)
>         at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:204)
>         at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:186)
>         at java.lang.Thread.run(Thread.java:619)
> {code}

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