https://www.ibm.com/docs/en/ims/15.2.0?topic=aids-job-control-block-trace
IMS 15.2 - Diagnosis - Job control block trace
The job control block (JCB) trace is one of most useful diagnosis tools for any application problem that might occur. The trace is an easy way to determine the...
job control block15 2imsdiagnosistrace