CA7ICOM is abending at startup with a U0503. What cause this abend?
Release : 12.0, 12.1
Component : CA 7
The problem is caused when using a submit data set and the DD statement for the submit data set defined to ICOM is not initialized in the communications data set (UCC7CMDS)
You must the CA00N700 job from your.JCLLIB to initialize the communication data set with the UCC7SUBx DD name(s). This require CA 7 and all ICOMs associated with the CA 7 instance to be down at the time this job run.
Below is a sample JCL to init the communications data set:
//CMDSI EXEC PGM=SASSCDSI
//STEPLIB DD DISP=SHR,DSN=your.ca7.CAL2LOAD
//SYSPRINT DD SYSOUT=*,DCB=BLKSIZE=133
//UCC7CMDS DD DISP=OLD,DSN=your.ca7.COMMDS
//SYSIN DD DISP=SHR,
Sample of the CDSIDECK: