1. 프로세스 (1) 서버가 실행되면서 websocket 준비 - setAllowedOrigins("*") 을 작성해야 wss 통신 가능public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) { registry.addHandler(videoDataHandler(), "/livevideo").setAllowedOrigins("*");} (2) 호출 ws (or) wss://domain:port/livevideovar wsketSrc = "";if(protocol == "https:") { wsketSrc = 'wss://' + domain + '8443/livevideo?DeviceId=' + device_id + '&Channel..