code: @SuppressWarnings({ "unchecked", "rawtypes" })
      public static String forwardRequestForUrlMappingInfo(HttpServletRequest request,
              HttpServletResponse response, UrlMappingInfo info, Map<String, Object> model, boolean includeParams) throws ServletException, IOException {
  
          String forwardUrl = buildDispatchUrlForMapping(info, includeParams);
  
          for (Map.Entry<String, Object> entry : model.entrySet()) {
              request.setAttribute(entry.getKey(), entry.getValue());
          }
          //populateParamsForMapping(info);
          RequestDispatcher dispatcher = request.getRequestDispatcher(forwardUrl);
  
          // Clear the request attributes that affect view rendering. Otherwise
          // whatever we forward to may render the wrong thing! Note that we
          // don't care about the return value because we're delegating
          // responsibility for rendering the response.
          final GrailsWebRequest webRequest = GrailsWebRequest.lookup(request);
          webRequest.removeAttribute(GrailsApplicationAttributes.MODEL_AND_VIEW, 0);
          info.configure(webRequest);
          webRequest.removeAttribute(GrailsApplicationAttributes.GRAILS_CONTROLLER_CLASS_AVAILABLE, WebRequest.SCOPE_REQUEST);
          webRequest.removeAttribute(UrlMappingsHandlerMapping.MATCHED_REQUEST, WebRequest.SCOPE_REQUEST);
          webRequest.removeAttribute("grailsWebRequestFilter" + OncePerRequestFilter.ALREADY_FILTERED_SUFFIX, WebRequest.SCOPE_REQUEST);
          dispatcher.forward(request, response);
          return forwardUrl;
      }
docs: Forwards a request for the given UrlMappingInfo object and model
  
  @param request The request
  @param response The response
  @param info The UrlMappingInfo object
  @param model The Model
  @param includeParams Whether to include any request parameters
  @return The URI forwarded too
  
  @throws javax.servlet.ServletException Thrown when an error occurs executing the forward
  @throws java.io.IOException Thrown when an error occurs executing the forward