code: private String plainReplacement(String pUrl, String pServletPath) {
          int idx = pUrl.lastIndexOf(pServletPath);
          String url;
          if (idx != -1) {
              url = pUrl.substring(0,idx) + pServletPath;
          } else {
              url = pUrl;
          }
          return url;
      }
docs: Fallback used if URL creation didnt work