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https://issues.apache.org/jira/browse/YARN-2504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14173939#comment-14173939
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Wangda Tan commented on YARN-2504:
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[~sunilg],
an empty response of RPC protocol is as same as "void" of a Java method. And
any exception thrown will be wrapped as YarnException so client can get it.
> Support get/add/remove/change labels in RM admin CLI
> -----------------------------------------------------
>
> Key: YARN-2504
> URL: https://issues.apache.org/jira/browse/YARN-2504
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Attachments: YARN-2504-20141015-1.patch, YARN-2504.patch
>
>
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