4.1. Application program abends
Application program abends are always accompanied by messages in the system log (SYSLOG) and the job log, indicating the abend code and, usually, a reason code. Many abends also generate a symptom dump in the SYSLOG and job log. A symptom dump is a system message, either message IEA995I or a numberless message, which provides some basic diagnostic information for diagnosing an abend. Often the symptom dump information can provide enough information to diagnose a problem.
Figure 4-1 shows the symptom dump for an abend X’ 0C4’ with reason code X‘4’. This symptom dump shows that:
Active load module ABENDER is located at address X’00006FD8’.
The failing instruction was at offset X’12’ in load module ABENDER.
The address ...
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