Spring session + Spring web socket. Send message to specific client based on session id
问题 I have followed Quetion1 and Quetion2 from stack overflow to send messages to specific client, based on its sessionId but could not find success. Below is my sample RestController class @RestController public class SpringSessionTestApi { @Autowired public SimpMessageSendingOperations messagingTemplate; @MessageMapping("/messages") public void greeting(HelloMessage message, SimpMessageHeaderAccessor headerAccessor) throws Exception { String sessionId = (String) headerAccessor