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https://issues.apache.org/activemq/browse/AMQ-1995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Tully resolved AMQ-1995.
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Fix Version/s: 5.3.0
Resolution: Fixed
problem with the test code, it was not thread safe.
resolved in r711617.
> Exception "The Consumer is closed" in multithreaded environment
> ---------------------------------------------------------------
>
> Key: AMQ-1995
> URL: https://issues.apache.org/activemq/browse/AMQ-1995
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.1.0, 5.2.0
> Environment: Windows XP, JRE 1.5.0_12, 2GB Memory, Dual-core
> Reporter: Martin Haslinger
> Assignee: Gary Tully
> Fix For: 5.3.0
>
>
> I got the following exception when running the TempQueueMemoryTest and
> increasing number of producer, consumers and messages:
> javax.jms.IllegalStateException: The Consumer is closed
> at
> org.apache.activemq.ActiveMQMessageConsumer.checkClosed(ActiveMQMessageConsumer.java:699)
> at
> org.apache.activemq.ActiveMQMessageConsumer.getMessageListener(ActiveMQMessageConsumer.java:339)
> at
> org.apache.activemq.ActiveMQSession.checkMessageListener(ActiveMQSession.java:1864)
> at
> org.apache.activemq.ActiveMQMessageConsumer.checkMessageListener(ActiveMQMessageConsumer.java:717)
> at
> org.apache.activemq.ActiveMQMessageConsumer.receive(ActiveMQMessageConsumer.java:457)
> at TempQueueMemoryTest$1Producer.run(TempQueueMemoryTest.java:94)
> The error happens at "Message reply = consumer.receive();", the message is
> not received.
> I increased the number of consumers and produceres to 2 and the number of
> messages to 5000. When using larger numbers the exception is thrown more
> often (unpredictable how often exactly). It definitly seems to be a
> multithreading-related problem because it only happens with multiple threads
> producing/consuming and the more threads you have the more often it happens.
> Tested with 5.2 RC2.
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