Duplicate messages dispatched when using AMQ Store
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Key: AMQ-1452
URL: https://issues.apache.org/activemq/browse/AMQ-1452
Project: ActiveMQ
Issue Type: Bug
Components: Message Store
Affects Versions: 5.0.0
Reporter: David Sitsky
Priority: Critical
Fix For: 5.0.0
Attachments: duplicate.log
This issue was originally reported on activemq-user here:
http://www.nabble.com/Duplicate-message-delivered-to-consumers-on-queue-with-kaha-persistence-tf4560327s2354.html.
When I initially reported this issue, Rob suggested to not use Kaha
persistence, but using the AMQ store. This seemed to resolve the issue.
Unfortunately, I have seen another situation where a duplicate message is being
re-delivered, it turns out to the same consumer. I have tried in vain to
create a unit test to reproduce this, but have been unable to do so.
The offending message ID is ID:tamarama-63606-1191905255404-2:2:3:3:1, and if
you look at the attached debug trace, you can see it being sent to a queue,
read from a queue, and then being dispatched a second time. The same worker
thread in this case was the producer and the consumer of message.
This issue does not occur when persistence is not enabled.
This is seen with revision 583015.
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