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From "Peeyush Bishnoi (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2876) Streaming does not checks whether -mapper option is provided or not
Date Tue, 27 May 2008 11:04:39 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Peeyush Bishnoi updated HADOOP-2876:
------------------------------------

    Attachment: hadoop-2876-v1.txt

Here is the updated patch for review with suggestion provided. Default mapper is IdentityMapper
with KeyValueTextInputFormat . 

> Streaming does not checks whether  -mapper option is provided or not
> --------------------------------------------------------------------
>
>                 Key: HADOOP-2876
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2876
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/streaming
>    Affects Versions: 0.17.0
>            Reporter: Karam Singh
>            Priority: Minor
>         Attachments: hadoop-2876-v1.txt, hadoop-2876.txt
>
>
> Ran hadoop command as -:
> bin/hadoop jar contrib/streaming/hadoop-*-streaming.jar -input in -output out
> (Here no mapper is provided using -mapper option).
> Stream job will start and map of that job fails.
> Streaming should check about the presence of -mapper option and throw proper error is
it not there.

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