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Wipro Mainframe: What Return Code Indicates Job Output Limit Exceeded in Mainframe z/OS?

By: Author Alex Lim

Posted on  - Last updated:

Categories Exam

Learn about the specific system return code S722 that signifies a job’s output has surpassed the predefined limit in an IBM mainframe z/OS environment. Discover how to identify and troubleshoot this common mainframe error condition.

Table of Contents

Question

What is the return code we see when the job output limit has been exceeded

A. S922
B. S722
C. S522
D. S622

Answer

B. S722

Explanation

When a job running on an IBM mainframe z/OS system exceeds the predefined output limit, the system will terminate the job and issue return code S722. This return code specifically indicates that a job has generated more output (e.g., print lines, spool files) than the limit specified in the OUTLIM parameter of the job’s JCL (Job Control Language) JOB statement.

For example, if the JOB statement includes OUTLIM=10000 and the job produces output exceeding 10,000 print lines, the system will abnormally terminate the job and generate the S722 return code. This safeguard prevents runaway jobs from consuming excessive system resources and impacting overall system performance.

To resolve an S722 condition, mainframe developers or operators should:

  1. Review the job’s output and logic to identify the cause of excessive output generation.
  2. Optimize the job’s code or parameters to reduce unnecessary output, if possible.
  3. Increase the OUTLIM value in the JOB statement to accommodate the job’s legitimate output requirements.
  4. Consider redirecting some output to alternative destinations, such as datasets, to minimize spool usage.

By understanding the meaning of the S722 return code and taking appropriate actions, mainframe professionals can effectively manage job output limits and ensure smooth system operation.

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