[jira] [Commented] (YARN-1931) YARN-1824 in 2.4 broke compatibility with previous releases

["Thomas Graves (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-1931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13966579#comment-13966579 ] 

Thomas Graves commented on YARN-1931:
-------------------------------------

I'm also a bit confused by this api marking.  Its marked as private but it claims to be utilities for applications.
This api was not marked as private in 0.23, which is when Spark started using the api.

If its truly private to yarn then MR shouldn't be using the api.

> 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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