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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1931) YARN-1824 in 2.4 broke compatibility with previous releases
Date Fri, 11 Apr 2014 17:40:29 GMT

    [ https://issues.apache.org/jira/browse/YARN-1931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13966856#comment-13966856
] 

Sandy Ryza commented on YARN-1931:
----------------------------------

+1 to adding the old API back in.  The old API isn't the right one going forward, and we should
deprecate it, but keeping it will save a lot of trouble for those who want to run an older
version of Spark or MR on a recent version of YARN.


> YARN-1824 in 2.4 broke compatibility with previous releases
> -----------------------------------------------------------
>
>                 Key: YARN-1931
>                 URL: https://issues.apache.org/jira/browse/YARN-1931
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: applications
>    Affects Versions: 2.4.0
>            Reporter: Thomas Graves
>            Priority: Blocker
>
> YARN-1824 broke compatibility with previous 2.x releases by changes the API's in org.apache.hadoop.yarn.util.Apps.{setEnvFromInputString,addToEnvironment}
 The old api should be added back in.
> This affects any ApplicationMasters who were using this api.  It also breaks previously
built MapReduce libraries from working with the new Yarn release as MR uses this api. 



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