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https://issues.apache.org/jira/browse/MYFACES-4056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15856558#comment-15856558
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Jean Luc Sossmeier commented on MYFACES-4056:
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Leonardo, thank you very much for your time.
I had a deffered panel in my page that was intercepted checking if the user has
permission to view it.
If the user did not had the authorization, the interceptor would throw an
Exception that was filtered and redirected to an specific forbidden page.
The problem is that the deferred panel was loaded using an XHR request, and
redirecting while the XHR hasn't really loaded everything seems to be illegal
thus causing an javascript error and resulting in the bug - Synchronous
XMLHttpRequest on the main thread is deprecated because of its detrimental
effects to the end user's experience. For more help, check
https://xhr.spec.whatwg.org/
As you've said, it is notan MyFaces issue.
Keep you the great job.
> ViewRoot update ignores <body> class attribute
> ----------------------------------------------
>
> Key: MYFACES-4056
> URL: https://issues.apache.org/jira/browse/MYFACES-4056
> Project: MyFaces Core
> Issue Type: Bug
> Components: General
> Affects Versions: 2.2.9, 2.2.10
> Reporter: Jean Luc Sossmeier
> Assignee: Leonardo Uribe
>
> I have an Apache Shiro interceptor setup that validates user actions, and if
> user is not yet authenticated it throws an {{UnauthenticatedException}}. As
> the actions validated may be ajax actions, I also used the Omnifaces
> {{FullAjaxExceptionHandler}} (which is not where the bug is coming from, it
> works just as expected).
> So I have setup in {{web.xml}} an error-page for the exception, so it
> redirects to the login page when a UnauthenticatedException is thrown.:
> {quote}
> <error-page>
>
> <exception-type>org.apache.shiro.authz.UnauthenticatedException</exception-type>
> <location>/login.xhtml</location>
> </error-page>
> {quote}
> So when I try to make an action that requires authentication, my interceptor
> manages it and throws and {{UnauthenticatedException}}, then omnifaces
> {{FullAjaxExceptionHandler}} handles the exception, looking up the error page
> assigned for the exception which is {{/login.xhtml}} and updates the
> {{ViewRoot}} with the following response:
> {quote}
> <?xml version="1.0" encoding="UTF-8"?>
> <partial-response id="j_id__v_0"><changes>
> <update id="javax.faces.ViewRoot"><