Owen O'Malley created MAPREDUCE-5490:
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Summary: MapReduce doesn't set the environment variable for
children processes
Key: MAPREDUCE-5490
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5490
Project: Hadoop Map/Reduce
Issue Type: Bug
Affects Versions: 1.2.1
Reporter: Owen O'Malley
Assignee: Owen O'Malley
Currently, MapReduce uses the command line argument to pass the classpath to
the child. This breaks if the process forks a child that needs the same
classpath. Such a case happens in Hive when it uses map-side joins. I propose
that we make MapReduce in branch-1 use the CLASSPATH environment variable like
YARN does.
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