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From "Ramya R (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4027) When streaming utility is run without specifying mapper/reducer/input/output options, it returns 0.
Date Thu, 28 Aug 2008 05:32:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12626433#action_12626433
] 

Ramya R commented on HADOOP-4027:
---------------------------------

To be more specific, streaming utility returns zero when input/output/reducer options are
not specified(where a non-zero value is expected). But when mapper option is not specified,
it returns non zero value as expected.

> When streaming utility is run without specifying mapper/reducer/input/output options,
it returns 0.
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4027
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4027
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/streaming
>    Affects Versions: 0.18.0
>            Reporter: Ramya R
>            Priority: Minor
>             Fix For: 0.19.0
>
>
> When the below command is run i.e without specifying any of the streaming options, it
returns 0 whereas a user would expect it to return a non-zero value:
> $ $HADOOP_HOME/bin/hadoop [--config dir] jar $HADOOP_HOME/hadoop-streaming.jar

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