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From Michael Gottschalk <MGottsch...@gmx.net>
Subject Unmatched acknowledege exception when using XA transactions
Date Tue, 17 Mar 2009 10:34:24 GMT
Hi,

I am using ActiveMQ 5.2 with XA transactions using ActiveMQXAConnectionFactory 
and the Bitronix transaction manager. 
When there are many messages in the queue (about 200000) and I try to read 
them all (in chunks of 1000 messages per transaction), I often get the 
exception "javax.jms.JMSException: Unmatched acknowledege" in the ActiveMQ 
log file. In my application, I receive a null message and duplicate messages 
are delivered after some time. Moreover, reading the messages slows down 
significantly and drops to below 1 message per second after some time.

I already created a bug report with a more detailed description and a test 
case under https://issues.apache.org/activemq/browse/AMQ-2161.

Has anybody else seen a similar behaviour or already has a bugfix or 
workaround?

Cheers,
   Michael

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