DWW1728W
Expected UNDO END log record not found on log stream llll for job step stepname.

Explanation

At the completion of undo logging for a job step, CICS VR writes an UNDO END log record to the undo log stream indicating whether the job step completed successfully or abended. However, CICS VR did not find an UNDO END log record on log stream llll for job step stepname.

An UNDO END log record might not have been written if undo logging failed during execution of the specified job step.

System action

Batch backout processing continues.

User response

If you ran CICS VR batch backout to remove updates made by a batch job step that encountered an undo logging error:
  • If the CICS VR_UNDOLOG_CONTROL parameter was set to ENABLE SYNC during execution of the specified batch job, any logging error would have caused CICS VR to cancel the batch job. Also, the updates would have been synchronized to ensure consistency between the actual VSAM updates and the updates recorded on the log stream. Therefore, as long as no other steps or applications made updates to the data sets after the specified batch job step was canceled, CICS VR batch backout processing should have placed the VSAM spheres back to the state that they existed prior to execution of the specified batch job or batch job step. No further action is required.
  • If the CICS VR_UNDOLOG_CONTROL parameter was not set to ENABLE SYNC during execution of the specified batch job, updates might have been made to VSAM spheres by the specified job step after the logging error occurred that are not reflected on the undo log stream. Therefore, batch backout processing might not have placed the VSAM spheres back to the exact state that they existed prior to execution of the specified batch job or batch job step. Examine the VSAM data sets for accuracy prior to performing any further updates against them.

    If you did not run CICS VR batch backout to remove updates made by a batch job step that encountered an undo logging error, the undo log stream might be corrupted and required log records might no longer appear on the log stream. Examine the VSAM data sets for accuracy prior to performing any further updates against them.


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Timestamp icon Last updated: Friday, 7 February 2014


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