[jboss-jira] [JBoss JIRA] Updated: (JBAS-4870) Redelivery flags not updated in case of JBossMQ node failure

[Adrian Brock (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBAS-4870?page=all ]

Adrian Brock updated JBAS-4870:
-------------------------------

    Attachment: testredelivery.zip

It's quite hard to write an ant unit test for this problem, because it can
only be reproduced with a server crash (rather than a clean shutdown of the server).

Attached is a simple ant project to test whether the redelivery flags are set correctly,
but it requires manual steps (step 4 below) to run the test.

1) Start JBoss
> ./run.sh
2) Send a message
> ant send
3) Receive the message in Client Acknowledge mode, but don't acknowledge (or close the session, etc. which is the same thing).
> ant receive
4) Crash the server (don't use control-c)
> kill -9 <jboss-pid>
5) Restart the server
> ./run.sh
7) Re-receive the message
> ant receive

You should see the redelivery count updated (before this fix you don't)

> Redelivery flags not updated in case of JBossMQ node failure
> ------------------------------------------------------------
>
>                 Key: JBAS-4870
>                 URL: http://jira.jboss.com/jira/browse/JBAS-4870
>             Project: JBoss Application Server
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: JMS service
>    Affects Versions: JBossAS-4.2.2.GA
>            Reporter: Adrian Brock
>         Assigned To: Adrian Brock
>             Fix For:  JBossAS-5.0.0.Beta3, JBossAS-4.2.3.GA
>
>         Attachments: testredelivery.zip
>
>
> When the JBossMQ node fails with messages currently being delivered to the clients,
> the redelivery status is not updated after the node is recovered (either locally or on a different for HAJMS).
> The issue is that the redelivery status (in the database) is not updated until the server receives the NACK
> (which it won't do if it has crashed).
> A potential fix, is to update the status early before delivering the message to the client,
> see the forum thread for more detail.

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