* if the output cannot be written
*/
protected void showStatus(HttpServletRequest request, HttpServletResponse response)
throws IOException {
Status status = new Status(urlRewriteService.getEngine().getConf());
status.displayStatusInContainer(request);
response.setContentType("text/html; charset=UTF-8");
response.setContentLength(status.getBuffer().length());
final PrintWriter out = response.getWriter();
out.write(status.getBuffer().toString());
out.close();