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From "Kevin Yaussy (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-1201) Durable topic message delivery to restarted consumer results in messages out of order.
Date Fri, 09 Mar 2007 21:38:34 GMT
Durable topic message delivery to restarted consumer results in messages out of order.
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                 Key: AMQ-1201
                 URL: https://issues.apache.org/activemq/browse/AMQ-1201
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 4.2.0
            Reporter: Kevin Yaussy
             Fix For: 4.2.0


While testing AMQ 4.2 SNAPSHOT from 3/9, I can create the situation wherein a consumer that
was killed and then restarted will get the "prefetchLimit" # of messages last, which means
they are out of order.

setup:
1 Broker
Consumer on Durable topic, prefetchSize=20
Publisher publishes to Durable topic

Let some messages flow, then kill off Consumer.  Let a few thousand messages queue up, then
restart the consumer.

The Broker begins redelivery of messages, and then when it gets down to the end of the queue,
the very first 20 messages from when the Consumer first went down are delivered.  This means
that those messages come out of order.


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