[jboss-jira] [JBoss JIRA] (WFLY-6349) JMSXGroupId has no effect on JMSProducer

[Miroslav Novak (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-6349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13281821#comment-13281821 ] 

Miroslav Novak commented on WFLY-6349:
--------------------------------------

I'll note that MDB should have one session to process messages serially. By default there are 16 MDB sessions processing messages in parallel (16 threads). It might happen that some MDB session finishes processing of newer message sooner than session with older message.

> JMSXGroupId has no effect on JMSProducer
> ----------------------------------------
>
>                 Key: WFLY-6349
>                 URL: https://issues.jboss.org/browse/WFLY-6349
>             Project: WildFly
>          Issue Type: Bug
>          Components: JMS
>    Affects Versions: 10.0.0.Final
>            Reporter: Harald Wellmann
>            Assignee: Jeff Mesnil
>             Fix For: 10.2.0.Final
>
>
> h3. Scenario
> I'm setting the {{JMSXGroupID}} on a {{JMSProducer}} to achieve message delivery in the correct order. The consumer is a message-driven bean.
> {code}
>         JMSProducer producer = context.createProducer();
>         producer = producer.setProperty("JMSXGroupID", "sequential");
>         producer = producer.setProperty("foo", "bar");
>         for (int i = 0; i < 50; i++) {
>             msgNumber++;
>             String text = "This is message " + msgNumber;
>             producer.send(queue, text);
>         }
> {code}
> h3. Expected Behaviour
> The messages are received in the correct order, the properties {{JMSXGroupID}} and {{foo}} are set on the receiver side.
> h3. Actual Behaviour
> The messages are received in random order. Property {{foo}} is set, but property {{JMSXGroupID}} is null on the receiver side.
> h3. Workaround
> Create a {{TextMessage}} and set the properties on the message, not on the producer.



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