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https://issues.apache.org/jira/browse/HADOOP-3101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12592480#action_12592480
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Chris Douglas commented on HADOOP-3101:
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This looks good, but getRemainingArgs probably shouldn't return null, but
rather an empty array. Applications checking argv.length in their own run()
method will throw a NPE instead of their expected behavior.
> 'bin/hadoop job' should display the help and silently exit
> ----------------------------------------------------------
>
> Key: HADOOP-3101
> URL: https://issues.apache.org/jira/browse/HADOOP-3101
> Project: Hadoop Core
> Issue Type: Bug
> Reporter: Amar Kamat
> Assignee: Edward J. Yoon
> Priority: Minor
> Fix For: 0.18.0
>
> Attachments: 3101.patch, 3101_v02.patch, 3101_v03.patch
>
>
> Currently 'bin/hadoop job' displays help and throws an exception. Like other
> commands (e.g dfs) it should silently come out.
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