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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4134) hadoop namenode & datanode entry points should return -1 exit code on bad arguments
Date Thu, 08 Nov 2012 21:38:12 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HDFS-4134:
----------------------------------

    Summary: hadoop namenode & datanode entry points should return -1 exit code on bad
arguments  (was: hadoop namenode & namenode entry points should return -1 exit code on
bad arguments)
    
> hadoop namenode & datanode entry points should return -1 exit code on bad arguments
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-4134
>                 URL: https://issues.apache.org/jira/browse/HDFS-4134
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 1.0.4
>            Reporter: Steve Loughran
>            Priority: Minor
>         Attachments: HDFS-4134.patch
>
>
> When you go  {{hadoop namenode start}} (or some other bad argument to the namenode),
a usage message is generated -but the script returns 0. 
> This stops it being a robust command to invoke from other scripts -and is inconsistent
with the JT & TT entry points, that do return -1 on a usage message

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