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Posted to yarn-issues@hadoop.apache.org by "Dustin Cote (JIRA)" <ji...@apache.org> on 2015/03/19 20:22:38 UTC
[jira] [Commented] (YARN-2369) Environment variable handling
assumes values should be appended
[ https://issues.apache.org/jira/browse/YARN-2369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14369953#comment-14369953 ]
Dustin Cote commented on YARN-2369:
-----------------------------------
[~jlowe] or [~aw] is this one still needed? If it is, I'd like to take a crack at it. I've had problems with the LD_LIBRARY_PATH in my own experiences, so if it's not fixed by something else in a later version I think it should be.
> 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
> Assignee: Dustin Cote
>
> 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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