} else { // just hanlder the request with sync request handler
                    HttpResponse response = this.responseFactory.newHttpResponse(
                        ver, HttpStatus.SC_OK, conn.getContext());
                    response.setParams(this.params);
                    context.setAttribute(ExecutionContext.HTTP_RESPONSE, response);
                    handler.handle(request, response, context);
                    sendResponse(conn, response);
                }
            } else {
                // add the default handler here
                HttpResponse response = this.responseFactory.newHttpResponse(