How to use

setCloseException

method

in

org.kaazing.gateway.transport.wsn.WsnSession

@Override
protected void doExceptionCaught(IoSessionEx session, Throwable cause) throws Exception {
  if (logger.isDebugEnabled()) {
    String message = format("Error on WebSocket connection, closing connection: %s", cause);
    if (logger.isTraceEnabled()) {
      // note: still debug level, but with extra detail about the exception
      logger.debug(message, cause);
    } else {
      logger.debug(message);
    }
  }
  WsnSession wsnSession = SESSION_KEY.get(session);
  if (wsnSession != null) {
    wsnSession.setCloseException(cause);
  }
  session.close(true);
}

@Override
protected void doExceptionCaught(IoSessionEx session, Throwable cause) throws Exception {
  if (logger.isDebugEnabled()) {
    String message = format("Error on WebSocket connection: %s", cause);
    if (logger.isTraceEnabled()) {
      // note: still debug level, but with extra detail about the exception
      logger.debug(message, cause);
    }
    else {
      logger.debug(message);
    }
  }
  WsnSession wsnSession = SESSION_KEY.get(session);
  if (wsnSession != null) {
    wsnSession.setCloseException(cause);
  }
  session.close(true);
  ConnectFuture wsnConnectFuture = WSN_CONNECT_FUTURE_KEY.remove(session);
  if (wsnConnectFuture != null) {
    wsnConnectFuture.setException(cause);
  }
}