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https://issues.apache.org/jira/browse/HADOOP-17585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17301174#comment-17301174
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Stephen O'Donnell commented on HADOOP-17585:
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[~hexiaoqiao] Thanks for the review and committing this. It was a clean
cherry-pick down to 3.1 so I committed down to there too.
> Correct timestamp format in the docs for the touch command
> ----------------------------------------------------------
>
> Key: HADOOP-17585
> URL: https://issues.apache.org/jira/browse/HADOOP-17585
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.4.0
> Reporter: Stephen O'Donnell
> Assignee: Stephen O'Donnell
> Priority: Major
> Fix For: 3.3.1, 3.4.0, 3.1.5, 3.2.3
>
> Attachments: HADOOP-17585.001.patch, HADOOP-17585.002.patch
>
>
> The touch command was added by HADOOP-9214, but the usage instructions and
> docs have never aligned with the code.
> The code uses a timestamp format of:
> {code}
> new SimpleDateFormat("yyyyMMdd:HHmmss");
> {code}
> But the docs indicate it should be yyyyMMddHHmmss.
> While I believe the format in the docs is better, tools or applications may
> be relying on the old format now, so I suggest we simply update the docs and
> usage, and improve the error message if the wrong format is used.
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