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https://issues.apache.org/jira/browse/YARN-9424?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shen Yinjie updated YARN-9424:
------------------------------
    Description: 
In YARN-8699, FederationClientInterceptor#invokeConcurrent uses 
getDeclaredMethods(), which cannot recongnize some methods in 
ApplicationBaseProtocol (ApplicationClientProtocol extend 
ApplicationBaseProtocol) ,for example getApplications(), when I run "yarn 
application -list" by connecting to yarn router, router will throw exception.
So change getDeclaredMethods to getMethods.

  was:
In YARN-8699, FederationClientInterceptor#invokeConcurrent uses 
getDeclaredMethods(), which cannot recongnize some methods in 
ApplicationBaseProtocol (ApplicationClientProtocol extend 
ApplicationBaseProtocol) ,for example getApplications, when I run "yarn 
application -list" by connecting to yarn router, it will throw exception.
So change getDeclaredMethods to getMethods.


> Change getDeclaredMethods to getMethods in 
> FederationClientInterceptor#invokeConcurrent()
> -----------------------------------------------------------------------------------------
>
>                 Key: YARN-9424
>                 URL: https://issues.apache.org/jira/browse/YARN-9424
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Shen Yinjie
>            Priority: Major
>
> In YARN-8699, FederationClientInterceptor#invokeConcurrent uses 
> getDeclaredMethods(), which cannot recongnize some methods in 
> ApplicationBaseProtocol (ApplicationClientProtocol extend 
> ApplicationBaseProtocol) ,for example getApplications(), when I run "yarn 
> application -list" by connecting to yarn router, router will throw exception.
> So change getDeclaredMethods to getMethods.



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