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Posted to dev@activemq.apache.org by "Rob Davies (JIRA)" <ji...@apache.org> on 2009/08/29 07:57:16 UTC
[jira] Resolved: (AMQ-1115) Memory Leak: OutOfMemoryException
throws if TopicSubscriber.receive(timeout) is used to pull JMS messages
[ https://issues.apache.org/activemq/browse/AMQ-1115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rob Davies resolved AMQ-1115.
-----------------------------
Resolution: Fixed
Fix Version/s: (was: 5.4.0)
5.3.0
Assignee: Rob Davies
Set a suitable pre-fetch policy for the subscriber
> Memory Leak: OutOfMemoryException throws if TopicSubscriber.receive(timeout) is used to pull JMS messages
> ---------------------------------------------------------------------------------------------------------
>
> Key: AMQ-1115
> URL: https://issues.apache.org/activemq/browse/AMQ-1115
> Project: ActiveMQ
> Issue Type: Bug
> Components: JMS client
> Affects Versions: 4.1.0
> Environment: Windows XP Professional, JDK 1.5
> Reporter: Sam Zhou
> Assignee: Rob Davies
> Fix For: 5.3.0
>
> Attachments: ActiveMq Tester.zip
>
>
> Attached sources can generate OutOfMemoryException when ActiveMQ pulls messages by using TopicSubscriber.receive(timeout), on the other hand, if I use callback TopicSubscriber.onMessage(), all the messages are received without any problem. Please see README.TXT for detail usage of the program.
> Assume I set prefetch=50, publisherCount=10, subscriberCount=10, each publisher publishs 500 messages, and each message size is 100kb,
> If I use callback (option -msgcallback given in command line), e.g., TopicSubscriber.onMessage(), all 50,000 messages are received without error.
> if I don't use callback (option -msgcallback not given in command line), e.g., TopicSubscriber.receive(timeout), after receiving about a thousand of messages, OutOfMemory error occurs, and the program starts to throw Exception.
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