Jim Brennan created YARN-8640:
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Summary: Restore previous state in container-executor if
write_exit_code_file_as_nm fails
Key: YARN-8640
URL: https://issues.apache.org/jira/browse/YARN-8640
Project: Hadoop YARN
Issue Type: Bug
Reporter: Jim Brennan
Assignee: Jim Brennan
The container-executor function {{write_exit_code_file_as_nm}} had a number of
failure conditions where it just returns -1 without restoring previous state.
This is not a problem in any of the places where it is currently called, but it
could be a problem if future code changes call it before code that depends on
the previous state.
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