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From "Ravi Prakash (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3087) CLASSPATH not the same after MAPREDUCE-2880
Date Mon, 03 Oct 2011 22:30:34 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13119694#comment-13119694

Ravi Prakash commented on MAPREDUCE-3087:

Ok! So here's what I did. I breakpointed at ContainerLaunch.java:197 (which basically launches
the containers). While execution was suspended, I manually edited the task.sh to change mr-app.jar!/mrapp-generated-classpath
to simply mr-app.jar. 

I had to do this thrice for a simple word-count (once for the AM, once for the map and once
for the reduce I guess). This let me job succeed. 

Did MR-2880 simplify the expansion of !/mrapp-generated-classpath, or is this some cool JAVA
classpath trick that I don't know about?

> CLASSPATH not the same after MAPREDUCE-2880
> -------------------------------------------
>                 Key: MAPREDUCE-3087
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3087
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Ravi Prakash
>         Attachments: notworking.classpath.uniq, working.classpath.uniq
> After MAPREDUCE-2880, my classpath was missing key jar files. 

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