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https://issues.apache.org/jira/browse/AMBARI-6532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14065783#comment-14065783
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Jaimin D Jetly commented on AMBARI-6532:
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As a fix to this patch, there has been a behavioral change in Add service
wizard and Enable security wizard i.e Now we reload the browser when these
wizards are quit irrespective of whatever step the user as when the wizard was
closed.
> Error message appears after last step of Enable security, NameNode HA and Add
> Service wizard
> --------------------------------------------------------------------------------------------
>
> Key: AMBARI-6532
> URL: https://issues.apache.org/jira/browse/AMBARI-6532
> Project: Ambari
> Issue Type: Bug
> Components: client
> Affects Versions: 1.7.0
> Reporter: Jaimin D Jetly
> Assignee: Jaimin D Jetly
> Fix For: 1.7.0
>
> Attachments: AMBARI-6532.patch
>
>
> *STR:*
> 1) Deploy cluster
> 2) Go through either security, Add Service or Enable NameNode HA
> 2) Go to the final step of the wizard
> 3) Click 'Done'
> *Actual result:* After clicking 'Done' there is modal window with next
> message: "Error in persisting web client state at ambari server: Error 0"
> After that Ambari works correctly, but once other browser opens UI (or do
> logout/login), last step of the wizard appears again. Probably, it is
> consequence from described issue.
> *Reason:*
> The calls for user preferences are made asynchronous lately.
> App.clusterStatus.setClusterStatus function that used App.userPref mixin's
> postUserPref method was made asynchronous. App.clusterStatus.setClusterStatus
> function is normally called at the end of the wizard to state to the server
> persist key that wizard is completed and then window.location.reload()
> function is called. As the prior call was changed to asynchronous, browser
> window was reloaded before the client even successfully submitted the Ajax
> call and the web state of the wizard completion was not saved on the server.
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