How to use

getSessionRejectReason

method

in

quickfix.FieldException

  final String reason = SessionRejectReasonText.getMessage(e.getSessionRejectReason());
  final String errorMessage = "Invalid Logon message: " + reason + " (field " + e.getField() + ")";
  generateLogout(errorMessage);
  disconnect(errorMessage, true);
} else {
  generateReject(message, e.getSessionRejectReason(), e.getField());