On Thu, 30 Apr 2020 09:09:32 -0400, Peter Relson <rel...@us.ibm.com> wrote:

><snip>
>z/OS FORCE did not work
></snip>
>
>Wanna bet?
>
>FORCE,ARM runs in the address space so would have been affected.
>FORCE does not.

Doesn't matter. With an IMS region, you cannot use cancel (z/OS: 
"non-cancelable, use force arm"). You cannot use force arm (z/OS: "cancel 
first, please"). And you cannot use force because IMS intercepts that and tells 
you to terminate the IMS region by de-registering it from IMS. Which doesn't 
work because it is already *unknown* (i.e. deregistered) in the control region, 
but the de-registering hasn't made it down the tcbs in that IMS message region. 
Sometimes the callrtm program worked after the 5th invocation, but sometimes it 
didn't work even after 10 invocations.  (With the dumps to verify it didn't 
work in between invocations.)

IMS message regions are BAD, IMHO.

Regards, Barbara

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