[jira] Resolved: (AMQ-1452) Duplicate messages dispatched when using AMQ Store

["Rob Davies (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/activemq/browse/AMQ-1452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rob Davies resolved AMQ-1452.
-----------------------------

    Resolution: Fixed

Fixed by svn revision 586580

> Duplicate messages dispatched when using AMQ Store
> --------------------------------------------------
>
>                 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
>            Assignee: Rob Davies
>            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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