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From "Andrew Onischuk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-12232) upgradeHelper for a 2.1 -> 2.2 upgrade leaves Resource Manager unusable
Date Wed, 01 Jul 2015 07:37:04 GMT
Andrew Onischuk created AMBARI-12232:
----------------------------------------

             Summary: upgradeHelper for a 2.1 -> 2.2 upgrade leaves Resource Manager unusable
                 Key: AMBARI-12232
                 URL: https://issues.apache.org/jira/browse/AMBARI-12232
             Project: Ambari
          Issue Type: Bug
            Reporter: Andrew Onischuk
            Assignee: Andrew Onischuk
             Fix For: 2.1.0


PROBLEM: The upgradeHelper script when upgrading from 2.1 -> 2.2 sets up YARN
to use ZKRMStateStore. It also sets the zk-address to localhost:2181:

    
    
    
              "yarn.resourcemanager.store.class": "org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore",
              "yarn.resourcemanager.zk-address": "localhost:2181",
    

This leaves the RM unable to start because it has no quorum to connect to. The
upgradeHelper should either not set the ZKRMStateStore, or it should be trying
harder to populate a valid ZK quorum.





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