Jason Lowe created YARN-2369:
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Summary: Environment variable handling assumes values should be
appended
Key: YARN-2369
URL: https://issues.apache.org/jira/browse/YARN-2369
Project: Hadoop YARN
Issue Type: Bug
Affects Versions: 2.2.0
Reporter: Jason Lowe
When processing environment variables for a container context the code assumes
that the value should be appended to any pre-existing value in the environment.
This may be desired behavior for handling path-like environment variables such
as PATH, LD_LIBRARY_PATH, CLASSPATH, etc. but it is a non-intuitive and harmful
way to handle any variable that does not have path-like semantics.
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