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MQSeries.net Forum IndexWebSphere Message Broker SupportInputRoot.Properties.CodedCharSetId being set to NULL

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sahilsaid
PostPosted: Mon May 21, 2018 5:17 am Post subject: InputRoot.Properties.CodedCharSetId being set to NULL Reply with quote

Newbie

Joined: 21 May 2018
Posts: 5

I am currently struggling with the "InputRoot.Properties.CodedCharSetId" which is being set to NULL somewhere. I believe it is due to PROPAGATE statement in the previous sub-flow.

I tried adding "DELETE NONE" to propagate statement but still having issues and NullPointer is being thrown on "InputRoot.Properties.CodedCharSetId".

I read various forum topics and tried all the suggestions but haven't had any luck so far.

Can anyone suggest something?
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abhi_thri
PostPosted: Mon May 21, 2018 5:39 am Post subject: Reply with quote

Master

Joined: 17 Jul 2017
Posts: 217
Location: UK

At the previous node try verifying whether the Properties tree (including the CCSID one) is getting copied across from Input to Output as expected in the first place.

If the CCSID field is not getting copied across it will end up as NULL in the next node.
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sahilsaid
PostPosted: Mon May 21, 2018 5:52 am Post subject: Reply with quote

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Joined: 21 May 2018
Posts: 5

abhi_thri wrote:
At the previous node try verifying whether the Properties tree (including the CCSID one) is getting copied across from Input to Output as expected in the first place.

If the CCSID field is not getting copied across it will end up as NULL in the next node.


You are right the properties tree is not being copied across. The node before the output node of sub-flow has that property set to NULL. Do I have to force it to copy somehow?
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abhi_thri
PostPosted: Mon May 21, 2018 6:22 am Post subject: Reply with quote

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Joined: 17 Jul 2017
Posts: 217
Location: UK

Yes, it is the responsibility of the transformation node (Compute in this side) to ensure that it maps/populates all the expected Output trees including the header ones.

Some simply use the CopyMessageHeaders to copy the header tree (this includes Properties, MQMD etc) but it is preferable to copy only the fields you require in the Output tree. For eg:- if you copy the whole header some of the input header fields may not be applicable for the output message, eg:- if the messages is a Tag delimited on parsed by MRM and Output is an Idoc, the input MRM details in the Properties tree is not relevant to the Output message. You can use explicit ESQL set statements to copy the require fields across from input to output header.
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sahilsaid
PostPosted: Mon May 21, 2018 6:49 am Post subject: Reply with quote

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Joined: 21 May 2018
Posts: 5

abhi_thri wrote:
Yes, it is the responsibility of the transformation node (Compute in this side) to ensure that it maps/populates all the expected Output trees including the header ones.


Great, thanks a lot. Didn't know that the message tree needs copying manually.

It works as expected after copying the message headers on the last node of the sub-flow. All the properties of message tree is now populated.
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