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From "Tamas Cserveny (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMQ-5400) Unable to keep message order using ActiveMQ-RAR
Date Wed, 22 Oct 2014 20:09:34 GMT

     [ https://issues.apache.org/jira/browse/AMQ-5400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tamas Cserveny updated AMQ-5400:
--------------------------------
    Attachment:     (was: block-session-until-redelivery.patch)

> Unable to keep message order using ActiveMQ-RAR 
> ------------------------------------------------
>
>                 Key: AMQ-5400
>                 URL: https://issues.apache.org/jira/browse/AMQ-5400
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.9.0, 5.10.0
>         Environment: JBoss EAP6 + ActiveMQ 5.10.0
>            Reporter: Tamas Cserveny
>
> We have an application server which processes the messages using an MDB.  We are using
message grouping to keep the message processing order.
> It seems that it is not possible to do this, because in case the onMessage signals rollback,
then the queue does not block until the redelivery time, but keeps on dispatching.
> ActiveMQSession.java method afterRollback() @938 is triggered in this case. Which will
redeliver the message by scheduling it:
> connection.getScheduler().executeAfterDelay(new Runnable() {
>                                     @Override
>                                     public void run() {
>                                         ((ActiveMQDispatcher)md.getConsumer()).dispatch(md);
>                                     }
>                                 }, redeliveryDelay);
> The session is not blocked or otherwise stopped from processing more messages, so it
does it.
> Setting prefetch=1 for the consumer did not helped.
> I have maxSessions=1 in the activationSpec.



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