RE: [EXTERNAL] Re: What could cause a signature violation?

Hi John
As it happens, I have a program in my own library that I use for testing certain things in production that uses this service program
I changes it on Friday - BEFORE the service program was promoted into production
It now has a signature violation

Message ID . . . . . . : MCH4431 Severity . . . . . . . : 40
Message type . . . . . : Escape
Date sent . . . . . . : 11/01/21 Time sent . . . . . . : 09:03:51

Message . . . . : Program signature violation.
Cause . . . . . : The source program TSTPRCHDTL specifies a signature
X'C3D9E6C4E3E6E2E3E2D7404040404040' which is not supported by service
program CRWDTWSTSP.
Recovery . . . : The service program interface has changed. Re-bind source
program TSTPRCHDTL.

The service program has a signature of
Current export signature . . . . . . . . . . . . : E855C017596794C8F164E37656A0C4BE



Alan Shore
Solutions Architect
IT Supply Chain Execution

[cid:image003.png@01D7CF01.1A277770]

60 Orville Drive
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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 Alan Shore via MIDRANGE-L
Sent: Monday, November 1, 2021 8:59 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Cc: Alan Shore <ashore@xxxxxxxx>
Subject: RE: [EXTERNAL] Re: What could cause a signature violation?

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<mailto: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<mailto: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<mailto:midrange-l@xxxxxxxxxxxxxxxxxx%3cmailto: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<mailto:ASHORE@xxxxxxxxxxxxxxxxxxxx%3cmailto:ASHORE@xxxxxxxxxxxxxxxxxxxx>>

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

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