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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Retry transaction in case of deadlock

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mkhadse
PostPosted: Tue May 13, 2003 11:37 am    Post subject: Retry transaction in case of deadlock Reply with quote

Acolyte

Joined: 31 Dec 1969
Posts: 73
Hi,

Is there any setting on the message flow or database nodes to retry transactions in case of deadlocks or timeout errors?

I can think the only other way will be to catch the exception and loop it inside the message flow. But this will involve keepng count of number of retries inside the message. And I dont want to add any new fields to the message.

I am using MQSI 2.0.2 and MQSI 2.1.

Thanks in advance.
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kirani
PostPosted: Tue May 13, 2003 12:30 pm    Post subject: Reply with quote

Jedi Knight

Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA
To achieve this keep the Catch terminal of the MQInput node unconnected and increase the BackoutThreshold property of your Input queue to greater than 0.
For each error WMQI will try to process your message N+1 times (where N is the value of BackoutThreshold).
If you cannot leave the "Catch Terminal" unconnected then make sure your Catch processing ends with the Throw node.
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