[jira] Updated: (WICKET-1471) FeedbackPanel does not work properly in clustered environment

["Juliano Viana (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-1471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Juliano Viana updated WICKET-1471:
----------------------------------

    Attachment: WebSession.patch

> FeedbackPanel does not work properly in clustered environment
> -------------------------------------------------------------
>
>                 Key: WICKET-1471
>                 URL: https://issues.apache.org/jira/browse/WICKET-1471
>             Project: Wicket
>          Issue Type: Bug
>    Affects Versions: 1.3.2
>            Reporter: Juliano Viana
>             Fix For: 1.3.3
>
>         Attachments: WebSession.patch
>
>
> Environment: Tomcat 5.5.25, Java 6, non-sticky session clustering, redirect to render strategy.
> Consider the following scenario:
> - Two tomcat instances running a Wicket application in clustered mode
> - Application contains a page that has a form and a feedback panel
> - Web browser posts the form. The post is processed in cluster node A
> - Application in cluster node A validates the form and produces some feedback messages
> - Request ends, Wicket -->clears all component feedback messages from the session<-- , replicates the session, and issues a redirect to render the page
> - Browser follows the redirect and hits the application in node B
> - Application in node B renders the page but, because there are no feedback messages on the session , the feedback panel is not made visible
> The solution I found (don't know if its the best one) is to change WebSession.java to clear component feedback messages only if the current request is not a redirect.
> This solution breaks one test case (WicketTesterTest) because it takes the broken behavior for granted. 
> I will attach a patch to WebSession and to WicketTesterTest.

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