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From "Sanjay Dahiya (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-476) Streaming should check for correctness of the task
Date Mon, 05 Feb 2007 21:29:05 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sanjay Dahiya updated HADOOP-476:
---------------------------------

    Attachment: Hadoop-476_1.patch

Sorry this patch got hung up for long. Here is an updated version. 

CLI2 help printing is buggy and I couldnt get it to print proper messages, so reverted back
to original print messages. As such we dont get some great improvement by using CLI2 here.
The code for checking for validating input paths is already moved to the mapred job client
now as part of HADOOP-619. 


> Streaming should check for correctness of the task
> --------------------------------------------------
>
>                 Key: HADOOP-476
>                 URL: https://issues.apache.org/jira/browse/HADOOP-476
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/streaming
>            Reporter: arkady borkovsky
>         Assigned To: Sanjay Dahiya
>         Attachments: Hadoop-476.patch, Hadoop-476.patch, Hadoop-476_1.patch
>
>
> Currently, if anythin is wrong with streaming job, it dies without any explanation.
> Before creating and running actual MapReduce job, Streaming should check if:
> -- the executables (or scripts) for -mapper and -reducer are available and have right
permissions
> -- the input fragments exist

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