Using diagnostics native to the environment
You might need to diagnose abends using diagnostic facilities in TSO, z/OS®, or CICS®.
In CICS, abend information is recorded in the DFHDMPx data set. This data set should be allocated in the CICS startup JCL. Most QMF programs contain a stamp that you can use to help identify them in diagnostic output. Here is an example.
