Antonenko Alexander created AMBARI-6675:
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             Summary: Enable NameNode HA wizard->Review Page: Show spinner and 
disable next button while configurations are getting loaded.
                 Key: AMBARI-6675
                 URL: https://issues.apache.org/jira/browse/AMBARI-6675
             Project: Ambari
          Issue Type: Task
          Components: client
    Affects Versions: 1.7.0
            Reporter: Antonenko Alexander
            Assignee: Antonenko Alexander
             Fix For: 1.7.0
         Attachments: 444444444444.png

On slow network, Review page of NameNode HA wizard takes time to load 
configurations. 
By this time if Next button on the page is clicked by the user then JS error is 
encountered
Spinner should be shown and next button should be disabled until the 
configurations are loaded on the page.



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