[jbossseam-issues] [JBoss JIRA] Reopened: (JBSEAM-1294) Page redirected to from exception filter cannot use page parameters

[Chris Rudd (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBSEAM-1294?page=all ]

Chris Rudd reopened JBSEAM-1294:
--------------------------------

             
The original exception is now resolved. But...there seems to be another one.

The the stock JSF converters require that he component parameter of getAsString not be null. The following is a code snipit from Param.getValueFromModel : 
   converter.getAsString( facesContext, facesContext.getViewRoot(), value );

The code is using the view root as the component, which is null as ExceptionFilter.createFacesContext does not setup an initial UIViewRoot.

I made the following change and it seems to have resolved the problem :

ExceptionFilter.java 

  private MockFacesContext createFacesContext(HttpServletRequest request, HttpServletResponse response)
    {
       MockFacesContext ctx = new MockFacesContext( new MockExternalContext(getServletContext(), request, response), new MockApplication() );
       ctx.setViewRoot( new UIViewRoot() );
       
       return ctx;
    }



> Page redirected to from exception filter cannot use page parameters
> -------------------------------------------------------------------
>
>                 Key: JBSEAM-1294
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1294
>             Project: JBoss Seam
>          Issue Type: Bug
>    Affects Versions: 1.2.1.GA, 1.2.0.GA
>            Reporter: Chris Rudd
>         Assigned To: Gavin King
>             Fix For: 1.3.0.ALPHA
>
>
> If the page you are redirecting to using the exception handling system (section 5.3) defines page parameters (section 5.1.1.1) a NPE is generated.
> The problem is that the MockApplication provided by the MockFacesContext setup in ExceptionFilter.endWebRequestAfterException does not have a variableResolver (its null).
> Is there any way to refactor that code to create a real FacesContext via the FacesContext factory?

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