Jim Brennan updated YARN-8640:
    Attachment: YARN-8640.001.patch

> 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
>            Priority: Major
>         Attachments: YARN-8640.001.patch
> 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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