Normally when you control the signature then it will be something obvious like "MyServPgm" - when it is a system generated signature it normally looks more like "%$eE12^mnY ...."


Jon P

On Nov 1, 2021, at 8:58 AM, Alan Shore via MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx> wrote:

Thanks John - but what do you mean by "garbage"

Alan Shore
Solutions Architect
IT Supply Chain Execution

[cid:image001.png@01D7CEFE.B0EB3AA0]

60 Orville Drive
Bohemia, NY 11716
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640
E-mail : ASHORE@xxxxxxxxxxxxxxxxxxxx

'If you're going through hell, keep going.'
Winston Churchill

From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx] On Behalf Of Jon Paris
Sent: Monday, November 1, 2021 8:51 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: [EXTERNAL] Re: What could cause a signature violation?

My best guess is that the binder language wasn't used when the programs were created. You can easily check this by resurrecting one of the ones you just recompiled and viewing the signature. If it is just "garbage" then that is almost certainly the answer.


Jon Paris

On Nov 1, 2021, at 6:44 AM, Alan Shore via MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx<mailto:midrange-l@xxxxxxxxxxxxxxxxxx>> wrote:

Hi everyone
We are on V7r3
We have a service program that has 6 procedures
Last Friday, I had to make a change to one of the procedures - and that change was to insert one line of code into one procedure
Just to populate a field
Now - every program that uses those 6 procedures had a Program signature violation - MCH4431
As this is a relatively new service program - that number of programs involved is relatively small
So I just recompiled them - yes - I know I could have used UPDPGM
They are now working as expected
The binding program specifies a signature as well as the 6 procedures - in order
I am scratching my head as to why a signature violation happened
Any one any ideas as to what I can look at?

Alan Shore
Solutions Architect
IT Supply Chain Execution

[cid:image003.png@01D7CEEB.EF9450B0]

60 Orville Drive
Bohemia, NY 11716
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640
E-mail : ASHORE@xxxxxxxxxxxxxxxxxxxx<mailto:ASHORE@xxxxxxxxxxxxxxxxxxxx>

'If you're going through hell, keep going.'
Winston Churchill

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