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https://issues.apache.org/jira/browse/MYFACES-3587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13798007#comment-13798007
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Leonardo Uribe commented on MYFACES-3587:
-----------------------------------------
Added web config param org.apache.myfaces.STRICT_JSF_2_VIEW_NOT_FOUND and fixed
case when org.apache.myfaces.SUPPORT_JSP_AND_FACES_EL=false (catch
filenotfoundexception and throw 404 response, and if vdl is not found throw 404
response too)
> Not existing viewId will not be handled
> ---------------------------------------
>
> Key: MYFACES-3587
> URL: https://issues.apache.org/jira/browse/MYFACES-3587
> Project: MyFaces Core
> Issue Type: Bug
> Components: General
> Affects Versions: 2.1.8
> Environment: Jetty/Tomcat, JUEL, CODI, ExtVal
> Reporter: Thomas Andraschko
> Assignee: Leonardo Uribe
> Fix For: 2.1.13
>
>
> If i call a page, which does not exist, following exceptions occurs: Cannot
> reset buffer after response has been committed.
> After digging deeper into this problem, i found out that
> getViewHandlerSupport()#calculateViewId returns null and the
> JspViewDeclarationLanguageStrategy will be used ->
> Cannot reset buffer after response has been committed.
> occurs.
> I added a null check for the logicalViewId in RestoreViewExecutor#execute to
> call HttpServletResponse#sendError.
> It does not work as expected because it just renders the errorPage and no
> redirect will be done.
> Why there is not such null check?
> Is it possible to add this check and redirect to the web.xml defined 404 or
> common error page? Or should it use the ErrorHandler?
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