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Date: Fri, 28 Mar 2014 10:41:14 +0000 (UTC)
From: "sathish (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12704215.1396002772350.23125.1396003274954@arcas>
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References: <JIRA.12704215.1396002772350@arcas>
Subject: [jira] [Commented] (HDFS-6174) In Fsck command with zero arguments
 generic command usage is printing twice
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    [ https://issues.apache.org/jira/browse/HDFS-6174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13950568#comment-13950568 ] 

sathish commented on HDFS-6174:
-------------------------------

Actually this is happening due to the following code snippet.
{code}
    if ((args.length == 0) || ("-files".equals(args[0]))) {
      printUsage(System.err);
    ToolRunner.printGenericCommandUsage(System.err);
    }
{code}
Here actually in printUsage() method itself they are printing the generic command usage informtion,here they added one more step for printing the usage.so it is printing twice

> In Fsck command with zero arguments generic command usage is printing twice
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-6174
>                 URL: https://issues.apache.org/jira/browse/HDFS-6174
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 2.3.0
>            Reporter: sathish
>            Assignee: sathish
>            Priority: Minor
>
> While executing Fsck command if we pass zero arguments generic command usage is printing twice.
> if we execute the command like this ./hdfs fsck we are getting the generic command usage twice


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