Re: Job log - what exactly is it?

Buck

Joblog is a Job's message queue.    Both Program message queue's and *EXT.
ALL work on the Qmachine (CPF series) has always been done with
messages(like the SBMJOB etc.  Request Processing Message queues, etc)

The replies about Printouts,  WRKJOB option 10,  QPJOBLOG are all methods
of looking at a Crystalized snapshot of the "Real Thing"  ie the Message
Queue.

Notice at the top of the screen when doing a WrkJob option 10 ?   It says
"Display all messages"

All the little cryptic things that you see.    like when working with
submitted jobs,  if a job isn't running yet,  you might see

...SBMJOB CMD(Blah blah)

The three little dots out front means that "This Message Request has not
been processed yet by the Request Processing Program"   The SBMJOB is
really a message sent to a message queue and processed by a Request
Processing Program.

Job Logs are Messages on a Job Message Queue.   The Sys/39/AS/400/iSeries
is one of the best Message Based Task Processing machines out there.


Greg Veal used to do a session titled  "Its all done with Mirrors (I mean
Messages)"
Dating myself now,  but it seems like a lost art or knowledge base that
most people on the platform don't know the real reasons how/why/when all
this stuff works together.

John Carr


Buck Calabro wrote:

> Tom L. and I have been having an interesting off-line discussion about
job
> logs, and came to the conclusion that, like "ILE RPG" there may be
multiple
> definitions being tossed about by the community.
>
> When you say "job log" are you thinking of:
> o job message queue
> o spooled file QPJOBLOG
> o *EXT message queue
> o something else?
>
> Buck Calabro

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