Skip Robinson  wrote:

>My first thought for validity verification is Exit 6, which we use a lot. 
>However, that runs in JES2 Main Task. I don't think you can issue WTOR there: 
>all of JES2 would wait for the reply. In looking through the JES2 exit table 
 
>https://www.ibm.com/support/knowledgecenter/SSLTBW_2.1.0/com.ibm.zos.v2r1.ieae400/jes2.htm
> 

Oh, yes, thanks for filling in it for me, I got at last a change to look at 
that table. 
 

>I don't see anything promising other than 52 and 54 (statement scan), which 
>run in JES2 User environment. The scan exits run only at submit time, so you 
>would have no control over a job that is later moved to a different LPAR or 
>job class.  

Agreed. I have missed these two initially even when the OP said exit 5x. I was 
indeed thinking about scanning/validating of statements.
 

>The WTOR is highly problematic for many system tasks.  
 
Yes, it is! If you have a lot of such WTORs your system may grind to a halt if 
your operators are not watching the console. That is if you don't have 
automation software.

Groete / Greetings 
Elardus Engelbrecht 

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