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https://issues.apache.org/jira/browse/AMBARI-3627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13809300#comment-13809300
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Antonenko Alexander commented on AMBARI-3627:
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+1 for the patch
> Reassign Master: Quitting the wizard should be handled gracefully
> -----------------------------------------------------------------
>
> Key: AMBARI-3627
> URL: https://issues.apache.org/jira/browse/AMBARI-3627
> Project: Ambari
> Issue Type: Task
> Components: client
> Affects Versions: 1.4.2
> Reporter: Aleksandr Kovalenko
> Assignee: Aleksandr Kovalenko
> Fix For: 1.4.2
>
> Attachments: AMBARI-3627.patch
>
>
> We need to allow user to quit the wizard with a warning popup. We don't want
> to be in a situation where user is stuck due to any unforeseen JS error or
> due to a constant command/API failure and has no possible way to quit the
> wizard.
> Also with the inclusion of start services with smoke tests as part of the
> wizard, chances of wizard failing will increase.
> As a solution we can document manual steps for completing or reverting
> reassign master wizard as we have for NameNode HA wizard. When user tries to
> quit after Review page, we can show a confirmation pop-up with a message:
> "Reassign <component name> wizard is in progress. It's necessary to complete
> the wizard for Ambari to be in usable state. If you choose to quit, you must
> follow manual instructions to complete or revert reassign <component name>
> wizard as documented in the Ambari User Guide. Are you sure you want to exit
> the wizard ?".
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