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MQRC 2024 - IMS to WebSphere MQ Checkpoint Failure

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Question

IMS coordination of MQ commit processing seems to fail.

We have two jobs that ran as expected yesterday on our development system. Today the same two jobs fail with a syncpoint error (MQRC 2024). The queue can hold 600,000 messages and we are only trying to process 80,000 in total.

2024 X'07E8' MQRC_SYNCPOINT_LIMIT_REACHED . The 2024 means uncommitted messages are piling up in the Unit-of-Work.

We temporarily raised the value of the "Max Uncommitted Messages" for our queue managers to something huge like 150,000 and turned triggers off on the destination queue, then ran the batch job and the batch job completed successfully without issue. This would seem to prove that commits are not happening as often as the program would seem to indicate.

Note:This question originated from a technote.

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Modified date:
28 December 2023

UID

dwa1371253

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