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From "Bruce Snyder (JIRA)" <>
Subject [jira] Commented: (AMQ-2294) MessageProducer hangs when using many concurrent sessions
Date Wed, 17 Jun 2009 20:26:37 GMT


Bruce Snyder commented on AMQ-2294:

This could still be the broker invoking the producer flow control because the consumers are
either not consuming messages are are too slow. Are the consumers actually consuming messages?
If so, are they actually acknowledging messages? Please attach the code for your consumers.

> MessageProducer hangs when using many concurrent sessions
> ---------------------------------------------------------
>                 Key: AMQ-2294
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker, JMS client
>    Affects Versions: 5.2.0
>         Environment: I am using the default activemq.xml config. tested and reproduced
on both windows and linux machines
>            Reporter: Puneet Gupta
>         Attachments: Consumer_ThreadDump.txt, Producer_ThreadDump.txt, ServerDebugLog_ThreadDump.txt
> If you create a client (producer) that creates 25 non-transacted sessions and concurrently
starts sending messages. The producer will hang after sending exactly 2560 1K messages. 
> This behavior is very easily reproducible.

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