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https://issues.apache.org/jira/browse/AMBARI-8230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jaimin D Jetly updated AMBARI-8230:
-----------------------------------
    Attachment: AMBARI-8230.patch.2
                AMBARI-8230_branch-1.7.0.patch.2

2nd revision of the patches changes the function name *startPoller* to 
*startKeepAlivePoller* and variable name *App.defaultSessionAliveInterval* to 
*App.sessionKeepAliveInterval* which are more relevant names.

> Error in persisting web client state at ambari server: Error 500 !hex:5c
> ------------------------------------------------------------------------
>
>                 Key: AMBARI-8230
>                 URL: https://issues.apache.org/jira/browse/AMBARI-8230
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 1.7.0
>            Reporter: Jaimin D Jetly
>            Assignee: Jaimin D Jetly
>            Priority: Critical
>             Fix For: 1.7.0
>
>         Attachments: AMBARI-8230.patch, AMBARI-8230.patch.2, 
> AMBARI-8230_branch-1.7.0.patch, AMBARI-8230_branch-1.7.0.patch.2
>
>
> I left my browser window up after cluster install was complete.
> When I clicked on "Complete" button to exit Install wizard, this error popped 
> up.
> I believe this happened because the browser passed to the server a previously 
> invalid HTTP session ID and the server responded with 500 (it would have 
> responded with 403).
> It could be that there's a server-side/jetty bug when receiving a request 
> with a session that it knew about but has been invalidated; I don't think 
> this error happens if you restart ambari-server to wipe out the history of 
> HTTP sessions but need to verify.



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