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Status Future consideration
Workspace z/OS
Categories z/OSMF
Created by Guest
Created on Apr 10, 2025

IZUFPROC Abend S222 and S013E Logrec Entries

S222 abends are generally expected when the RESTFiles requests have finished their processing. When a request first arrives, REST Files creates a TSO Address Space to handle the request, which remains available after use so that subsequent requests can process in that same TSO Address Space. However, it can only service one request at a time. If another request arrives while z/OSMF is still processing a request, a second TSO address space will be created (and so on). Once the work is done and there are no longer any requests, the z/OSMF tasks are terminated, which would result in the S222 ABENDS that are seen. It can lead to massive S222 and corresponding S013E Logrec entries if running automated as it opens one IZUFPROC per request. It also issues  

BPXP018I THREAD 1932F80000000000, IN PROCESS 83951862, ENDED WITHOUT BEING UNDUBBED WITH COMPLETION CODE 40222000, AND REASON CODE 00000000.

per requested IZUFPROC. 

z/OSMF does not provide a timing parameter or something similar to prevent S222 abends and to finish IZUFPROC orderly. 

Nightly, in our environment we create hundreds of API RESTFiles calls automated which creates a heavy overload of these Abends and Message Flooding and corresponding number of useless S013E SW Logrec errors.     

Idea priority Medium