code: public static String slurpURLNoExceptions(String path) {
      try {
        return slurpURL(path);
      } catch (Exception e) {
        e.printStackTrace();
        return null;
      }
    }
docs: Returns all the text at the given URL. If the file cannot be read
  (non-existent, etc.), then and only then the method returns
  <code>null</code>.