ACOP041I error on session retry from remote Connect:Direct
for copy function.
DISP=MOD and check pointing is used for the copy step.
Situation is PNODE goes to send to a i5/OS file. The file on
OS/400 is locked by another application so an allocation error (Requested data
set not available. Allocated to another job.) is sent back The PNODE
puts the process into timer-wait and does a retry. The second
connection attempt the file is no longer locked by a different
application, but i5/OS sends an error ACOP041I (Copy has been aborted
by dataexit routine.) because the incoming process is marked as a
restart and DISP(MOD) which i5/OS considers invalid.
We do not allow check point restart with DISP=MOD on i5/OS side. This is because if
no checkpoint had occurred the file would be cleared.
Resolving the problem
Turn off check pointing when DISP=MOD is used for i5/OS side.
When PNODE side is Connect:Direct z/OS you have to code CKPT=0M in the copy step.
See the Connect:Direct Process language guide for the required coding on other platforms.
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