spring-boot . In your OnMessage Method (one inside the class which inherits from websocketbehaviour), just simply save the Websocket by using Context.Websocket. The handler class at server side will handle the message and return the greeting message as a response which will be shown in the browser as below: Alternative example: Client sends a message to the service, which will reply only to the original sender over the WebSocket connection. SimpMessageSendingOperations (Spring Framework 5.3.20 API) 2. In your OnMessage Method (one inside the class which inherits from websocketbehaviour), just simply save the Websocket by using Context.Websocket. Single TCP connection - The initial connection is using HTTP, then this connection gets upgraded to a socket based connection. Add the following implementations: @Override . Spring WebSocket - websocket bean scope - Cloudility.dev Add incoming session in @OnOpen to list. The default prefix is user, so we add / user prefix, which is also the core of messages sent to specific users. Remove session from the list in @OnClose. When a WebSocket handshake is made and a new WebSocket session is created, Spring's WebSocket support automatically propagates the java.security.Principal from the HTTP request to the WebSocket session. Starting with Spring 5.0.5.RELEASE, it isn't necessary to do any customization because of the improvement of @SendToUser annotation, that allows us to send a message to a user destination via "/user/{sessionId}/…" rather than "/user/{user}/…. In this post, we will learn to create a basic WebSocket application. The handler class at server side will handle the message and return the greeting message as a response which will be shown in the browser as below: using WebSocket in a Spring 5 web application - ZetCode . This is actually because we use the convertAndSendToUser source code of SimpMessaging Template. There are three main ways to say where messages are sent and how they are subscribed to using Spring WebSockets and STOMP: Topics - common conversations or chat topics open to any client or user. Let me know if you still want the code. Introduction to WebSocket with Spring Boot | SpringHow List<Session> socketSessions = Collections.synchronizedList(new ArrayList<Session>()); We will store the list in a SessionManager and add and . Updated on 19 January, 2022 in Spring Session. A specialization of MessageSendingOperations with methods for use with the Spring Framework support for Simple Messaging Protocols (like STOMP).. For more on user destinations see UserDestinationResolver. In this application, a user can see other online users and can send messages .