MyEndpoint.java

@Component
public class MyEndpoint extends Endpoint {

	@Autowired
	MyService myService;
	
	@Override
	public void onOpen(Session session, EndpointConfig config) {
		
		session.addMessageHandler(new MyMessageHandler(session));
	}
	

	class MyMessageHandler implements MessageHandler.Whole<String> {

		final Session session;
		
		public MyMessageHandler(Session session) {
			this.session = session;
		}
		
		@Override
		public void onMessage(String message) {
			try {
				String greeting = myService.getGreeting();
				session.getBasicRemote().sendText(greeting + ", got your message (" + message + "). Thanks ! (session: " + session.getId() + ")");
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}

sir,what can i do for this
[ERROR] Failed to execute goal org.codehaus.mojo:webstart-maven-plugin:1.0-beta-7:jnlp-download-servlet (default) on project websocket-server: Could not obtain key store location at D:\Temp\websocket-test-master${keystore.dir}${keystore.file} -> [Help 1]