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| What happens to JMS listeners when QMngr restarts? |
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| mac1929 |
 Posted: Fri Dec 20, 2002 12:51 am Post subject: What happens to JMS listeners when QMngr restarts? |
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Novice
Joined: 15 Oct 2002
Posts: 10
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We've built some adapters to communicate MQSeries with Cics, Sap and Siebel. They consist on some JMS listeners running on Websphere that get requests from a queue, call the target system, and bring the reply back to a reply queue. Everything is working quite fine right now but we are aware that this arquitecture has a potential problem.
If a queue manager fails for some reason and it has to be restarted, our JMS listeners don´t take it into account. They simply remain listening on a dead connection. Besides, even if the Queue Manager is restarted, the connection is not automatically recovered.
I suppose somebody should have faced this problem. Any hint? |
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| anjan34 |
| Posted: Fri Jan 10, 2003 8:23 am Post subject: |
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Newbie
Joined: 19 Aug 2002
Posts: 5
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Hi,
You need to register an ExceptionListener. The QueueManager will inform this listener when it is going down. But you need to register your MessageListener again with a new connection when the QueueManager comes up. |
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| vadivel |
| Posted: Thu Jan 16, 2003 10:46 pm Post subject: |
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Voyager
Joined: 05 Aug 2002
Posts: 79
Location: US
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Hi,
I too faced this problem and we used the exceptionlisteners,but this doesnt slove it fully, coz the exceptionlisteners are notified only when the queue manager goes down and the listeners have to manually triggered again, when the queue manager comes up again.
Vels |
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