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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-9297) Renaming RM could cause application to crash
Date Tue, 12 Feb 2019 23:28:00 GMT
Aihua Xu created YARN-9297:

             Summary: Renaming RM could cause application to crash
                 Key: YARN-9297
                 URL: https://issues.apache.org/jira/browse/YARN-9297
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: security
    Affects Versions: 2.6.0
            Reporter: Aihua Xu

In this line, we are throwing UnknownHostException when any RM host can't resolve to ip address.


There are some cases that one RM needs to rename or map to different ip address, then it will
crash the application although other RMs are running fine. 

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