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https://issues.apache.org/jira/browse/YARN-1931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13970144#comment-13970144
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Vinod Kumar Vavilapalli commented on YARN-1931:
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bq. We can add the methods back, but I also prefer that not marking it as
Public.
+1. Let's just put in the method here, add javadoc like I requested above and
do everything else in other JIRAs.
bq. If needed, we should at least craft a newly well-written util class also
with a better naming like AppUtils instead of Apps which is unclear for other
new people working on YARN.
+1. And may be a better name than Apps or AppUtils :) But definitely another
JIRA.
> Private API change in 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
> Assignee: Sandy Ryza
> Priority: Blocker
> Attachments: YARN-1931-1.patch, YARN-1931.patch
>
>
> 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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