RE: We have a mystery -- MIDRANGE-L

No solution to the mystery yet. Added a DSPJOB *PRINT to the night job that showed no overrides at the point of the call to the RPG program having issues. Library list was as it should be. Also added a CPYF *PRINT of the file coming from the external site and it had thousands of records. We did come across this in the process but this was not an escape message and did not dump the RPG program

Message ID . . . . . . : SQL0012 Severity . . . . . . . : 10
Message type . . . . . : Information
Date sent . . . . . . : 10/04/17 Time sent . . . . . . : 22:32:26

Message . . . . : Correlation without qualification occurred for column DATA01 to table UTPIMPF3S.
Cause . . . . . : Column DATA01 which occurs in a subselect, is not explicitly qualified, and occurs in table UTPIMPF3S in library SLATE specified in the FROM clause of an outer subselect or as the target of an update or delete operation. Consequently, the reference to the column in the subselect is an outer reference, and correlation will occur.
Recovery . . . : Ensure you intended to use the correlation. If you did not intend to use the correlation, the column does not exist in any of the tables or views identified in the FROM clause of the same level of the subselect that column DATA01 was referenced. Since it is a good practice to explicitly qualify any intended correlated references, it is recommended that the statement be changed so that the column DATA01 is qualified with a table designator.

We continue the search

-----Original Message-----
From: Mike Cunningham
Sent: Thursday, October 05, 2017 9:15 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: RE: We have a mystery

The file being read is temporary and not be journaled. It gets cleared every day to receive the next download from the external system. The RPG uses SQL with not commitment control

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Evan Harris
Sent: Thursday, October 5, 2017 6:18 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Re: We have a mystery

Hi Mike

how long beforehand does the process that generates the records run and what happens in between ? I am assuming there is a commit taking place befor eyou are tryign to get th records with the program experiencing errors.

is the file being journalled and does the add entry in the journal have a timestamp before or after the schedueld program ran ?

Another thing to check that I seem to recall happening way back in the past was a programmer makign changes to the FRCRATIO parameter on a file that exhibited similar symptoms; maybe that is something to look at (this is more of a SWAG)

On Fri, Oct 6, 2017 at 5:45 AM, Mike Cunningham <mike.cunningham@xxxxxxx>
wrote:

We have an RPG with embedded SQL program running in a CL program that
has calls to multiple RPG programs. This CL is run from the job
scheduler late at night. We were having issues with this night job
that looked like it was not running the one RPG app but when run
during the day by itself it would work perfect. So we added a trace to
the program to see what it was doing at night. It showed that no data was being read from the SQL fetch command.
When it was run by itself during the day it showed it read thousands
of records. The next debug step we did was to have the main CL that
runs at night CALL the RPG app and then also do a SBMJOB to call the same RPG app.
When run from the main CL with a CALL it read nothing. 2 minutes later
when it was submitted it ran fine and read thousands of records.

We are stumped. Has anyone ever seen this happen before? There are no
overrides or explicit sharing of open data paths.

Mike Cunningham

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Regards
Evan Harris
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