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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3521) Hadoop Streaming ignores unknown parameters
Date Thu, 29 Dec 2011 08:39:31 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13177069#comment-13177069
] 

Hudson commented on MAPREDUCE-3521:
-----------------------------------

Integrated in Hadoop-Hdfs-0.23-Commit #315 (See [https://builds.apache.org/job/Hadoop-Hdfs-0.23-Commit/315/])
    Merge -c 1225471 from trunk to branch-0.23 to fix MAPREDUCE-3521.

acmurthy : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1225472
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/streaming/StreamJob.java
* /hadoop/common/branches/branch-0.23/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/TestStreamJob.java

                
> Hadoop Streaming ignores unknown parameters
> -------------------------------------------
>
>                 Key: MAPREDUCE-3521
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3521
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>            Priority: Minor
>             Fix For: 0.23.1
>
>         Attachments: MR-3521.txt
>
>
> The hadoop streaming command will ignore any command line arguments to it.
> {code}
> hadoop jar streaming.jar -input input -output output -mapper cat -reducer cat ThisIsABadArgument
> {code}
> Works just fine.  This can mask issues where quotes were mistakenly missed like
> {code}
> hadoop jar streaming.jar -input input -output output -mapper xargs cat -reducer cat -archive
someArchive.tgz
> {code}
> Streaming should fail if it encounters an unexpected command line parameter

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