code: public String getDebugMessageAsHTML()
      {
          Throwable rootEx = getRootCause();
          if (isApplicationError(rootEx, "com.ibm.ws.webcontainer"))
          {
              String trimmedStackHtml = ApplicationErrorUtils.getTrimmedStackHtml(rootEx);
              return trimmedStackHtml;
          }
          else
              return "Error " + getErrorCode() + ": " + getMessage();   
      }
docs: /*
  Liberty - method added for improved (customer) problem determination