javax.websocket.DeploymentException: The HTTP response from the server [404] did not permit the HTTP
解决办法：少两个文件：文章来源：https://www.toymoban.com/news/detail-615999.html
WebSocketConfig.java
@Configuration
public class WebSocketConfig {
/**
* 注入一个ServerEndpointExporter,该Bean会自动注册使用@ServerEndpoint注解申明的websocket endpoint
*/
@Bean
public ServerEndpointExporter serverEndpointExporter() {
return new ServerEndpointExporter();
}
}
和
WebSocketManager.java
@Component
public class WebSocketManager {
private static final Map<String, List<Session>> sessionsMap = new ConcurrentHashMap<>();
public static void addSession(String sid, Session session) {
sessionsMap.computeIfAbsent(sid, k -> new CopyOnWriteArrayList<>()).add(session);
}
public static void removeSession(String sid, Session session) {
List<Session> sessionList = sessionsMap.get(sid);
if (sessionList != null) {
sessionList.remove(session);
if (sessionList.isEmpty()) {
sessionsMap.remove(sid);
}
}
}
public static List<Session> getSessions(String sid) {
return sessionsMap.getOrDefault(sid, Collections.emptyList());
}
public static void sendToAll(String sid, String message) throws IOException {
for (Session session : getSessions(sid)) {
session.getBasicRemote().sendText(message);
}
}
}
加上这两个文件，就可以了文章来源地址https://www.toymoban.com/news/detail-615999.html
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