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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Exception Handling in PUB message flow

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rsashi
PostPosted: Thu Dec 07, 2006 3:39 pm    Post subject: Exception Handling in PUB message flow Reply with quote

Apprentice

Joined: 29 Jan 2004
Posts: 35
I have developed a msg flow which can publish msgs based on Topics. I am not sure how to handle if say for some reason subscription queue has been deleted and the publication msgs must end up in a Error queue.My flow is sending publication msgs to a dead letter queue for any kind of issues or error's.Can any one suggest me how to handle exceptions in pub msg flow to send msgs to a error queue.
Thanks.
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pathipati
PostPosted: Mon Dec 11, 2006 5:27 pm    Post subject: Reply with quote

Master

Joined: 03 Mar 2006
Posts: 296
Which type of exceptions you are expecting from your message flow?
In Pub/Sub interactions Publisher does't know anything about Subscribers so if a Subscription Queue is deleted it does't matter anything for the Publisher(msg flow).
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jefflowrey
PostPosted: Mon Dec 11, 2006 6:07 pm    Post subject: Reply with quote

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Joined: 16 Oct 2002
Posts: 19981
Although a Publisher can request a report from the Broker on the status of the publication.
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rsashi
PostPosted: Mon Dec 18, 2006 10:00 am    Post subject: Reply with quote

Apprentice

Joined: 29 Jan 2004
Posts: 35
How can we request a report from a broker for a published message.
Thanks
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jefflowrey
PostPosted: Mon Dec 18, 2006 4:14 pm    Post subject: Reply with quote

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By specifying a replytoqueue on your publication message.
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fjb_saper
PostPosted: Mon Dec 18, 2006 4:18 pm    Post subject: Reply with quote

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Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
jefflowrey wrote:
By specifying a replytoqueue on your publication message.

But that will only tell you if your publish was succesful. As the model implies it has absolutely no information on subscribers....

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jefflowrey
PostPosted: Mon Dec 18, 2006 4:20 pm    Post subject: Reply with quote

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Joined: 16 Oct 2002
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Yes, F.J.

That's "the status of the publication".
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