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https://issues.apache.org/jira/browse/HADOOP-9626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-9626.
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Resolution: Duplicate
> Add an interface for any exception to serve up an Exit code
> -----------------------------------------------------------
>
> Key: HADOOP-9626
> URL: https://issues.apache.org/jira/browse/HADOOP-9626
> Project: Hadoop Common
> Issue Type: Improvement
> Components: util
> Affects Versions: 2.4.0
> Reporter: Steve Loughran
> Priority: Minor
> Attachments: HADOOP-9626-001.patch
>
>
> Various exception included exit codes, specifically
> {{Shell.ExitCodeException}}, {{ExitUtils.ExitException()}}.
> If all exceptions that wanted to pass up an exit code to the main method
> implemented an interface with the method {{int getExitCode()}}, it'd be
> easier to extract exit codes from these methods in a unified way, so
> generating the desired exit codes on the application itself
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