Exception "The Consumer is closed" in multithreaded environment
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Key: AMQ-1995
URL: https://issues.apache.org/activemq/browse/AMQ-1995
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 5.2.0, 5.1.0
Environment: Windows XP, JRE 1.5.0_12, 2GB Memory, Dual-core
Reporter: Martin Haslinger
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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