Re: Merb app. deployed to Websphere 6.1 fails on both AIX and Windows

>
> So I've taken a look at the jruby-rack source to see if I could figure out
> what's going on.  I have a theory.
>
> Here is the doFilter() method of org.jruby.rack.RackFilter:
>
> public void doFilter(ServletRequest request, ServletResponse response,
> FilterChain chain)
>           throws IOException, ServletException {
>       HttpServletRequest    httpRequest  = maybeAppendHtmlToPath(request);
>       HttpServletResponse   httpResponse = (HttpServletResponse) response;
>       ResponseStatusCapture capture      = new
> ResponseStatusCapture(httpResponse);
>       chain.doFilter(httpRequest, capture);
>
>       if (capture.isError()) {
>           httpResponse.reset();
>           request.setAttribute(RackDispatcher.DYNAMIC_REQS_ONLY,
> Boolean.TRUE);
>           dispatcher.process((HttpServletRequest) request, httpResponse);
>       }
>   }
>
> The way that this appears to work is that the chain.doFilter(httpRequest,
> capture) call occurs for our dynamic request (e.g. "/users/index").  It will
> fail of course, since there is no file or servlet configured for that URI.
>  What should happen is that the capture variable (which is an instance of
> class ResponseStatusCapture extends HttpServletResponseWrapper) should have
> its status set to 404 and then the "if (capture.isError())" block will be
> executed, which will actually dispatch the request to Merb.
>
> The fact that I get the 404 back indicates to me that the capture variable
> does not get it's status set as expected, and therefore cannot be properly
> interrogated as to whether isError() is true, and thus, no dispatching on to
> Merb.
>
> Does this make sense?  Can anyone help me figure out how best to verify it?