Setting the Gateway trace
Use this command to set the trace level to full debug.
To set the level to full debug tracing, enter the following command:
/F JOB_NAME,APPL=TRACE,TLEVEL=4
To set a DUMPOFFSET of 128 and TRUNCATIONSIZE of 512, enter the following command:
/F JOB_NAME,APPL=TRACE,DUMPOFFSET=128,TRUNCATIONSIZE=512