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From "Rob Davies (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (AMQ-1452) Duplicate messages dispatched when using AMQ Store
Date Tue, 16 Oct 2007 05:00:26 GMT

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

Rob Davies reassigned AMQ-1452:
-------------------------------

    Assignee: Rob Davies

> 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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