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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMQ-2780) ActiveMQ not preserving Message Order
Date Fri, 01 Apr 2011 11:22:09 GMT

     [ https://issues.apache.org/jira/browse/AMQ-2780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully updated AMQ-2780:
----------------------------

    Fix Version/s:     (was: 5.5.0)
                   5.6.0

> ActiveMQ not preserving Message Order
> -------------------------------------
>
>                 Key: AMQ-2780
>                 URL: https://issues.apache.org/jira/browse/AMQ-2780
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.3.0
>         Environment: Windows XP, JDK 1.6.0_07
>            Reporter: Ryan Rolland
>            Assignee: Rob Davies
>            Priority: Critical
>             Fix For: 5.6.0
>
>         Attachments: BenchmarkSupport.java, Consumer.java, Producer.java
>
>
> I believe I have found a bug in message order delivery in ActiveMQ. I have taken the
example benchmark consumer and producer programs and made the following modifications:
> 1)	Added a counter to keep track manually of the message order.
> 2)	Made the transmitted number of bytes per message random between 1 and 64 bytes.
> 3)	Added a random delay between 1 and 10 seconds triggered after every 100000 messages
transferred on the publishing side.
> After running for a few minutes I begin to see violations in the message delivery order.
In my most recent run I have counted 54 violations over the course of an hour.

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