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From "Rob Davies (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-1936) Duplicate message received when producing and consuming concurrently
Date Tue, 23 Sep 2008 06:42:52 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-1936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rob Davies resolved AMQ-1936.
-----------------------------

    Fix Version/s: 5.3.0
       Resolution: Fixed

This looks resolved on trunk

> Duplicate message received when producing and consuming concurrently
> --------------------------------------------------------------------
>
>                 Key: AMQ-1936
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1936
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.1.0
>         Environment: Dell Precision with 2.13GHz dual core, 3.25 GB RAM running on Windows
XP SP2. Test is running on JDK1.5.0_12.
>            Reporter: Johnny
>            Assignee: Rob Davies
>             Fix For: 5.3.0
>
>         Attachments: activemq-duplicate-msg-check.xml, ActiveMQDuplicateMessageTest.java,
log4j.xml
>
>
> Hello,
> We are receiving duplicate messages when processing a moderate numbers of messages (
~60,000 ), I have attached a JUNIT test which re-produces the issue on my machine with the
broker configuration file used. Please note that It does take a few minutes to generate the
test failure.
> The test needs to be run with increased heap memory using the JMV option -Xmx512m
> We initially found the issue using the IONA Fuse version 5.1.0.0 which would produce
the same issue at 30,000 messages and without persistence storage. I later downloaded the
ActiveMQ 5.1.0 version which would pass at 30,000 but fail at 60,000.
> It is causing major issues for our project and hindering our application from going to
production.

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