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https://issues.apache.org/jira/browse/YARN-873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13701687#comment-13701687
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Xuan Gong commented on YARN-873:
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Instead of simplying throwing out the YarnException, how about
1.we create NOTFOUNDException, and throw this exception
2.At Client code, say ApplicationCLI.java, we can catch the NOTFOUNDException,
then print out the statement "This appId is not exist"
> YARNClient.getApplicationReport(unknownAppId) returns a null report
> -------------------------------------------------------------------
>
> Key: YARN-873
> URL: https://issues.apache.org/jira/browse/YARN-873
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: 2.1.0-beta
> Reporter: Bikas Saha
> Assignee: Xuan Gong
>
> How can the client find out that app does not exist?
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