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| how to add exception header to the message which fails |
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| KK |
 Posted: Mon Dec 16, 2002 10:17 am Post subject: how to add exception header to the message which fails |
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Newbie
Joined: 09 Dec 2002
Posts: 8
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hi all,
I want to add a trace or exception to my incomming message
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Incomming is XML and out going is CWF cobol format.
what i want to achive is something like what we get when we use usertrace on command line.
if there is some parsing error, i wud like to add some message on it that is cause of error and put it on fail Q.
Thanks in adv,
KK |
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| lung |
| Posted: Mon Dec 16, 2002 5:57 pm Post subject: |
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Master
Joined: 27 Aug 2002
Posts: 291
Location: Malaysia
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Put this line in your trace...
${ExceptionList}
_________________
lung |
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| wmqiguy |
| Posted: Tue Dec 17, 2002 7:50 am Post subject: |
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Centurion
Joined: 09 Oct 2002
Posts: 145
Location: Florida
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We have done something similar to what you want. We have created a simple subflow that we add to catch any exceptions and place them on a Failure queue.
The subflow basically takes the Exception list and adds it to the XML message for later perusal. Additionally, we have created a messageflow that can then reprocess this is necessary.
For example, the input message looks like:
<A>
<b>data</b>
</A>
If an exception was thrown and rolled back to the "catch", it would create this:
<PROBLEM>
<originalQ>SourceQueue<originalQ>
<ExceptionList>Add it here</ExceptionList>
<OriginalMessage>
<A>
<b>data</b>
</A>
</OriginalMessage
</PROBLEM>
This is an oversimplification and other stuff is saved also, like CCSID, etc.
This makes available the data and the exception list. It also allows you to reprocess if you want to. Just build a message flow that strips off the exception list (and other stuff) and route it to the originalQ.
Remember.....error handling is FUN! 
Good Luck! 
Todd |
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