Question

我有这个WebSocket配置：

@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer {

    @Override
    public void configureMessageBroker(MessageBrokerRegistry config) {
        config.enableSimpleBroker("/topic");
        config.setApplicationDestinationPrefixes("/app");
    }

    @Override
    public void registerStompEndpoints(StompEndpointRegistry registry) {
        registry.addEndpoint("/portfolio").withSockJS();
    }

}

我通过SimpMessagingTemplate发送Kafka数据，如下所示：

public class KafkaReceiver {
    @Autowired
    private SimpMessagingTemplate simpMessagingTemplate;

    @KafkaListener(topics = "metrics", groupId = "metrics")
    public void receive(ConsumerRecord<?, ?> record) {
        MetricRecord m = new MetricRecord(new Long(record.offset()), record.key().toString(), record.value().toString());
        this.simpMessagingTemplate.convertAndSend("/topic/records", m.toString());
    }
}

我有这个客户：

function connect() {
    var socket = new SockJS('/portfolio/records');
    var stompClient = Stomp.over(socket);
    stompClient.connect({}, function (frame) {
        console.log('Connected: ' + frame);
        stompClient.subscribe('/topic/records', function (message) {
            console.log(message);
            console.log(JSON.parse(message.body));
        });
    });
}

当我在浏览器中运行时，我收到以下错误：

Opening Web Socket...

GET http://localhost:9999/portfolio/records/info?t=1507027267841 404 (Not Found)
r._start @ sockjs.min.js:2
(anonymous) @ sockjs.min.js:2
setTimeout (async)
r @ sockjs.min.js:2
r @ sockjs.min.js:3
r @ sockjs.min.js:2
r._getReceiver @ sockjs.min.js:2
r.doXhr @ sockjs.min.js:2
(anonymous) @ sockjs.min.js:2
setTimeout (async)
r @ sockjs.min.js:2
r @ sockjs.min.js:2
connect @ metricsApp.js:2
onclick @ VM53 metrics:1

Whoops! Lost connection to http://localhost:9999/portfolio/records

有什么想法吗？我找不到比我更有效的解决方案。提前谢谢。

Answer 1

检查此行：

var socket = new SockJS('/portfolio/records');

您应该将套接字连接到：

var socket = new SockJS('/${YourApplicationContextIfItExists}/${endPoint}')

假设您没有应用程序上下文，它应该是

var socket = new SockJS('/portfolio')

请注意可能还有其他问题，但我认为这可能会有所帮助。

Answer 2

registry.addEndpoint("/portfolio").setAllowedOrigins("*").withSockJS();

您在 StompEndpoint 创建时尝试过吗？

打开后丢失连接Spring Websocket

2 个答案: