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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5184) Document MR Binary Compatibility vis-a-vis hadoop-1 and hadoop-2
Date Thu, 09 May 2013 00:15:16 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13652558#comment-13652558
] 

Zhijie Shen commented on MAPREDUCE-5184:
----------------------------------------

In the document, it is worth mentioning that since hadoop-examples-2.x.jar is the classpath,
"hadoop -jar hadoop-examples-1.x.jar"is still using the 2.x jar. Users should either remove
2.x jar from the classpath or set HADOOP_USER_CLASSPATH_FIRST=true and HADOOP_CLASSPATH=...:hadoop-examples-1.x.jar
to run 1.x jar actually.
                
> Document MR Binary Compatibility vis-a-vis hadoop-1 and hadoop-2
> ----------------------------------------------------------------
>
>                 Key: MAPREDUCE-5184
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5184
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: documentation
>            Reporter: Arun C Murthy
>            Assignee: Arun C Murthy
>             Fix For: 2.0.5-beta
>
>


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