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From "Stephen Chu (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDFS-5468) CacheAdmin help command does not recognize commands
Date Wed, 06 Nov 2013 04:02:17 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stephen Chu reassigned HDFS-5468:
---------------------------------

    Assignee: Stephen Chu

> CacheAdmin help command does not recognize commands
> ---------------------------------------------------
>
>                 Key: HDFS-5468
>                 URL: https://issues.apache.org/jira/browse/HDFS-5468
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: tools
>    Affects Versions: 3.0.0, 2.3.0
>            Reporter: Stephen Chu
>            Assignee: Stephen Chu
>            Priority: Minor
>         Attachments: HDFS-5468.patch
>
>
> Currently, the hdfs cacheadmin -help command will not recognize correct command inputs:
> {code}
> [hdfs@hdfs-cache ~]# hdfs cacheadmin -help listPools
> Sorry, I don't know the command 'listPools'.
> Valid command names are:
> -addDirective, -removeDirective, -removeDirectives, -listDirectives, -addPool, -modifyPool,
-removePool, -listPools, -help
> [hdfs@hdfs-cache ~]# hdfs cacheadmin -help -listPools
> Sorry, I don't know the command 'listPools'.
> Valid command names are:
> -addDirective, -removeDirective, -removeDirectives, -listDirectives, -addPool, -modifyPool,
-removePool, -listPools, -help
> {code}
> In the code, we strip the input command of leading hyphens, but then compare it to the
command names, which are all prefixed by a hyphen.
> Also, cacheadmin -removeDirectives requires specifying a path with -path but -path is
not shown in the usage. We should fix this as well.



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