Why the MSG.JOBNM environmental variable is populated when SSIMSG Parameter is set to YES ?

Document ID : KB000014879
Last Modified Date : 14/02/2018
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Introduction:

The CA OPS/MVS Event Management and Automation Parameter Reference Guide explains that the SSIMSG Parameter determines whether CA OPS/MVS processes messages before or after JES2 processes them.

This parameter has 2 possible values, NO and YES.

When SSIMSG Parameter is set to YES CA OPS/MVS processes messages before JES2 does so CA OPS/MVS MSG.JOBNM environmental variable  is not populated .

Question:

What could be the reason to have information in the MSG.JOBNM environmental variable when SSIMSG Parameter is set to YES ?

Answer:

With OPS/MVS parameter SSIMSG set to YES, there will be some messages that do not have msg.jobnm populated. This depends on if the asid/job has requested and received a Job number from JES when the message was issued.

This depends whether the GETJOBID subsystem call was done before the message was issued or not.

Additional Information:

The definition of SSIMSG Parameter can be found at the following link:

https://docops.ca.com/ca-opsmvs/122-EN/reference-information/parameter-reference/parameters-in-ca-ops-mvs/message-related-parameters#Message-RelatedParameters-SSIMSGParameter