Xuan Gong commented on YARN-2211:

Same patch. just fix the log on TestAMRMTokens which can fix the test-case 
We changed the exception message on AMRMTokenSecretManager#retrievePWD. But did 
not change the exception message which is used to assert in testcase which 
cause the testcase failure.

The new patch fixes it.

> RMStateStore needs to save AMRMToken master key for recovery when RM 
> restart/failover happens 
> ----------------------------------------------------------------------------------------------
>                 Key: YARN-2211
>                 URL: https://issues.apache.org/jira/browse/YARN-2211
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Xuan Gong
>            Assignee: Xuan Gong
>         Attachments: YARN-2211.1.patch, YARN-2211.2.patch, YARN-2211.3.patch, 
> YARN-2211.4.patch, YARN-2211.5.1.patch, YARN-2211.5.patch, 
> YARN-2211.6.1.patch, YARN-2211.6.patch, YARN-2211.7.1.patch, 
> YARN-2211.7.patch, YARN-2211.8.1.patch, YARN-2211.8.patch
> After YARN-2208, AMRMToken can be rolled over periodically. We need to save 
> related Master Keys and use them to recover the AMRMToken when RM 
> restart/failover happens

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