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https://issues.apache.org/jira/browse/AMBARI-5150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13942363#comment-13942363
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Yusaku Sako commented on AMBARI-5150:
-------------------------------------
[~xiwang0309]
I applied the patch and App.version (client) and server version via the API
were different, but I do not get the error message and get the login page.
This should appear on page load, before login page is displayed.
For example, I can go ahead and create a cluster even if the server/client
versions do not match.
> Ensure that the Server and Client versions match (browser caching issues)
> -------------------------------------------------------------------------
>
> Key: AMBARI-5150
> URL: https://issues.apache.org/jira/browse/AMBARI-5150
> Project: Ambari
> Issue Type: Bug
> Components: client
> Affects Versions: 1.4.0
> Reporter: Xi Wang
> Assignee: Xi Wang
> Priority: Critical
> Fix For: 1.5.0
>
> Attachments: AMBARI-5150.patch
>
>
> Under some situations, the browser cache isn't cleared and after doing
> upgrade, you have "older UI working against newer server", which can cause
> all sorts of problems.
> So, show an alert message(Server / Web client version mismatch ) before
> Ambari web loaded.
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