webscoket 配置

```java

@Configuration

@EnableWebSocket

@EnableWebSocketMessageBroker

public class WebSocketConfiguration implements WebSocketMessageBrokerConfigurer {

@Override

public void registerStompEndpoints(StompEndpointRegistry registry) {

registry.addEndpoint("/notification/notify/sockjs")

.setAllowedOrigins("*")

.withSockJS();

registry.addEndpoint("/notification/notify")

.setAllowedOrigins("*");

}

@Override

public void configureMessageBroker(MessageBrokerRegistry registry) {

ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();

taskScheduler.setPoolSize(1);

taskScheduler.setThreadNamePrefix("wss-heartbeat-thread-");

taskScheduler.initialize();

registry.enableSimpleBroker("/topic", "/user").setHeartbeatValue(new long[]{10000, 10000}).setTaskScheduler(taskScheduler);

}

}

```

错误信息