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https://issues.apache.org/jira/browse/MAPREDUCE-3122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Abhijit Suresh Shingate reassigned MAPREDUCE-3122:
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Assignee: (was: Abhijit Suresh Shingate)
> -libjars with streaming does not create symlink in the cwd of task
> ------------------------------------------------------------------
>
> Key: MAPREDUCE-3122
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3122
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/streaming
> Affects Versions: 0.20.205.0
> Reporter: Ramya Sunil
>
> When libjars option is used with streaming, the symlink to the jar file is
> not created in the working dir of the task. Any map/reduce tasks which uses
> this jar fails with NoClassDefFoundError
> For e.g:
> $ hadoop jar hadoop-streaming.jar -libjars /home/ramya/HelloWorld.jar -input
> input.txt -output Out -mapper "mapper.sh" -reducer NONE -file
> /home/ramya/mapper.sh
> $ cat /home/ramya/mapper.sh
> #!/bin/sh
> cat &> /dev/null
> java -cp HelloWorld.jar HelloWorld
> $ java -cp /home/ramya/HelloWorld.jar HelloWorld
> Hello World
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