...

src/main/java/cn/com/qmth/examcloud/ws/config/WebSocketServerEndpoint.java

@@ -15,21 +15,24 @@ public class WebSocketServerEndpoint {
 
 	@OnOpen
 	public void onOpen(Session session) {
-
+		System.out.println("onOpen; session=" + session);
 	}
 
 	@OnClose
 	public void onClose(Session session) {
-
+		System.out.println("onClose; session=" + session);
 	}
 
 	@OnMessage
 	public void onMessage(Session session, String message) {
-
+		System.out.println("onMessage; session=" + session);
+		System.out.println("onMessage; message=" + message);
 	}
 
 	@OnError
 	public void onError(Session session, Throwable t) {
+		System.out.println("onError; session=" + session);
+		t.printStackTrace();
 	}
 
 }