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https://issues.apache.org/jira/browse/MAPREDUCE-3521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13177176#comment-13177176
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Hudson commented on MAPREDUCE-3521:
-----------------------------------
Integrated in Hadoop-Mapreduce-trunk #942 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/942/])
MAPREDUCE-3521. Fixed streaming to ensure it doesn't silently ignore
unknown arguments. Contributed by Robert Evans.
acmurthy :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1225471
Files :
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-tools/hadoop-streaming/src/main/java/org/apache/hadoop/streaming/StreamJob.java
*
/hadoop/common/trunk/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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