Andrew Onischuk created AMBARI-23490:
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             Summary: NN Federation Wizard: Bootstrap NameNode failed
                 Key: AMBARI-23490
                 URL: https://issues.apache.org/jira/browse/AMBARI-23490
             Project: Ambari
          Issue Type: Bug
            Reporter: Andrew Onischuk
            Assignee: Andrew Onischuk
             Fix For: 2.7.0
         Attachments: AMBARI-23490.patch

Bootstrap NameNode command fails due to stopped NameNode. Actually NameNode
should be started and command to start it was sent correctly from UI, but was
ignored by BE due to:

    
    
    Ignoring ServiceComponentHost as the current state matches the new desired 
state, clusterName=c, serviceName=HDFS, componentName=NAMENODE, 
hostname=c7404.ambari.apache.org, currentState=STARTED, newDesiredState=STARTED

This is because Format NameNode command starts NameNode for a little period of
time and then stops it back, but component's current state is not updated
immediately and BE thinks that NameNode is still started.  
>From Format NameNode log:

    
    
    
    18/04/04 11:44:31 INFO namenode.NameNode: STARTUP_MSG: 
    /************************************************************
    STARTUP_MSG: Starting NameNode
    
    ...
    
    18/04/04 11:44:35 INFO namenode.NameNode: SHUTDOWN_MSG: 
    /************************************************************
    SHUTDOWN_MSG: Shutting down NameNode at 
c7404.ambari.apache.org/192.168.74.104
    





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