code: public ActionMapping getMapping(HttpServletRequest request, ConfigurationManager configManager) {
      ActionMapping mapping = new ActionMapping();
      parseNameAndNamespace(RequestUtils.getServletPath(request), mapping);
  
      String method = request.getParameter(MethodParam);
      if (Strings.isNotEmpty(method)) mapping.setMethod(method);
      return mapping;
    }
docs: reserved method parameter