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Posted to yarn-issues@hadoop.apache.org by "Dustin Cote (JIRA)" <ji...@apache.org> on 2015/09/20 19:58:04 UTC
[jira] [Updated] (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:all-tabpanel ]
Dustin Cote updated YARN-2369:
------------------------------
Attachment: YARN-2369-7.patch
[~jlowe] sorry this took so long, I got sidetracked with other projects! I think I've now included your suggestions in v7 of this patch and there are a couple of checkstyle warnings as you might have expected. If there's anything missing from this please let me know :)
> 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
> Attachments: YARN-2369-1.patch, YARN-2369-2.patch, YARN-2369-3.patch, YARN-2369-4.patch, YARN-2369-5.patch, YARN-2369-6.patch, YARN-2369-7.patch
>
>
> 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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