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From "James Green (JIRA)" <>
Subject [jira] Commented: (AMQ-2923) Clients are sent messages out of producer-order
Date Fri, 07 Jan 2011 12:45:46 GMT


James Green commented on AMQ-2923:

Issue is still present in 5.4.2. I am about to try with concurrentStoreAndDispatchQueues="false".

> Clients are sent messages out of producer-order
> -----------------------------------------------
>                 Key: AMQ-2923
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.4.0
>         Environment: Ubuntu 10.04.
>            Reporter: James Green
>            Priority: Critical
>         Attachments: stomp.log
> On a single host:
> Producer P1 posts message M1 to Queue Q.
> Producer P2 posts message M2 to Queue Q a few seconds later.
> Consumer C1 comes a few seconds further along along and begins reading from Queue Q.
Occassionally, C1 receives M2 before M1.
> This is what I'm seeing in two PHP application connecting to ActiveMQ via STOMP. After
dozens of tests I've finally reproduced it with trace=true. I am not sure what environmental
conditions cause this to occur.
> I will attach a log. Watch for destination:/queue/Outbound.Account.200000 which is Q.
M1 has a reason="MJINITIALSTATE" and M2 has a reason="E----:Confirmed..."

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