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https://issues.apache.org/jira/browse/AMBARI-11834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14580524#comment-14580524
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Andrii Babiichuk commented on AMBARI-11834:
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+1 for the patch
> Add Service Wizard: disable Deploy button after click (after Kerberos
> enabling)
> -------------------------------------------------------------------------------
>
> Key: AMBARI-11834
> URL: https://issues.apache.org/jira/browse/AMBARI-11834
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.0
> Reporter: Aleksandr Kovalenko
> Assignee: Aleksandr Kovalenko
> Priority: Critical
> Fix For: 2.1.0
>
> Attachments: AMBARI-11834.patch
>
>
> After enabling kerberos, when user opens Add Service Wizard and clicks Deploy
> button, request to validate kerberos credentials is sended. On my cluster
> this request took a while (~30 secs), and while UI was waiting for response I
> was able to click Deploy several times more (there were no spinner or button
> disabling) and returned back by wizard steps. And then after about 30 secs a
> lot of windows to input kerberos credentials appeared (as much as much times
> deploy button was clicked).
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