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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12786) "hadoop key" command usage is not documented
Date Sat, 13 Feb 2016 00:58:18 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15145643#comment-15145643
] 

Xiao Chen commented on HADOOP-12786:
------------------------------------

Attached patch 1 to add documentation. The usage part is copied from the command usage directly
(found a typo there, corrected), adapting to the markdown format. Also attached a generated
html for easier reviewing.

The reason that HDFS-9784 saw the exception is due to [a KeyProvider's precondition check|https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/JavaKeyStoreProvider.java#L433].

Please see if the document makes sense. Thank you!

> "hadoop key" command usage is not documented
> --------------------------------------------
>
>                 Key: HADOOP-12786
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12786
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Akira AJISAKA
>            Assignee: Xiao Chen
>              Labels: newbie
>         Attachments: CommandsManual.html, HADOOP-12786.01.patch
>
>
> I found "hadoop key" command usage is not documented when reviewing HDFS-9784.
> In addition, we should document that uppercase is not allowed for key name.



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