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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1068) In hadoop-0.20.0 streaming job do not throw proper verbose error message if file is not present
Date Mon, 09 Nov 2009 04:32:33 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12774853#action_12774853
] 

Amareshwari Sriramadasu commented on MAPREDUCE-1068:
----------------------------------------------------

bq. -1 contrib tests.
Is due to MAPREDUCE-1124

> In hadoop-0.20.0 streaming job do not throw proper verbose error message if file is not
present
> -----------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1068
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1068
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/streaming
>    Affects Versions: 0.20.1
>            Reporter: Peeyush Bishnoi
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.20.1, 0.20.2, 0.21.0, 0.22.0
>
>         Attachments: patch-1068-1.txt, patch-1068.txt
>
>
> With hadoop-0.20.0 proper error message is not thrown , when streaming job is submitted
and if file is not present to be distributed with "-file" option. But with hadoop-0.18.* proper
verbose message is thrown if file is not present and it is easy for the users to debug.
> For example:
> With hadoop-0.20.0:
> $ hadoop jar $HADOOP_HOME/hadoop-streaming.jar -Dmapred.job.queue.name=general  -input
/user/simon/test1.txt -output /user/simon/test.out -mapper "/bin/cat" -file dummy -reducer
"/bin/cat"
> Streaming Job Failed!
> With hadoop-0.18.*:
> $ hadoop  jar $HADOOP_HOME/hadoop-streaming.jar -input /user/simon/test1.txt -output
/user/simon/test.out -mapper "/bin/cat" -file dummy -reducer "/bin/cat"
> 09/10/06 10:06:49 ERROR streaming.StreamJob: Unexpected value "Argument : /home/simon/dummy
doesn't exist." found while processing  -file
> ---

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