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On 06 Jun 2013 12:20, John Allen wrote:
Run the program in debug, add breakpoint where subfile is
being loaded.
When it breaks use DSPJOB and check the jobs library list
and the open files and the overrides.
Compare this on both systems

FWiW: A job trace could provide trace data to identify the files [and members] that were opened, which could be compared between the two systems without having to use debug on the customer system [albeit if OPM programs, then debug breakpoints using instructions vs statements can also be done without debug capable programs]. The trace would not identify any overrides in effect [but would show an override command request in trace data], but it would show the effect of a member being opened, other than the one of the desired library or file. The job trace would also show the program flow, which could also identify any differences in the programs being called; e.g. allowing identification of a program of the same name getting called from the wrong library [implied to be higher in the *LIBL for an unqualified call; hopefully unlikely], or perhaps just seeing that a program flow is different and\or unexpected as compared to the in-house version.

Because the actual code and files from the customer system are on both systems, the comparison for program flow is best made with known-to-be identical copies of the code, thus making mismatches more conspicuous in a [side-by-side] compare of the [spooled] trace output.


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