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https://issues.apache.org/jira/browse/AMQ-5400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tamas Cserveny updated AMQ-5400:
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Attachment: block-session-until-redelivery.patch
Hi,
I've provided a patch which blocks the session for the time of the redelivery.
It honours the isNonBlockingRedelivery flag of the connection so it can be
turned off. As blocking redelivery is the default this should not be a problem.
Cheers,
Tamas
> 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: 5.10.0
> Environment: JBoss EAP6 + ActiveMQ 5.10.0
> Reporter: Tamas Cserveny
> Attachments: block-session-until-redelivery.patch
>
>
> 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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