java 로 간단히 udp server 를 만들고 테스트 해보았다. public static void main(String[] args) { try { String udpPort = "55551"; byte[] receiveData = new byte[1024]; String receiveMessage = ""; DatagramSocket udpSocket = new DatagramSocket(Integer.parseInt(udpPort)); DatagramPacket receivePacket; while(true){ receivePacket = new DatagramPacket(receiveData, receiveData.length); udpSocket.receive(receivePacket); by..