WebSocket handshake: Unexpected response code: 404 -

Question

I am learning about websockets and followed the instructions here: http://www.oracle.com/webfolder/technetwork/tutorials/obe/java/HomeWebsocket/WebsocketHome.html

I\

Answer 1

I also had the same problem. Try removing the unwanted jars which contains websocket in your $JAVA_HOME/lib folder. and then add only what you are importing in serverendpoint file.