private static String getErrorMessage(Throwable e) {
    final String message = e.getMessage();
    final String className = e.getClass().getName();
    if (StringUtil.isEmpty(message)) {
      if (e instanceof ClassNotFoundException) {
        return className + ": Unresolved import";
      }
      return className;
    }
    if (!message.contains(className)) {
      return className + ": " + message;
    }
    return message;
  }
private static String getErrorMessage(Throwable e)