Question

我已经解决了这个问题，这段代码帮我自动检测服务器是https还是http。然后Javascript只是创建正确的链接SockJS来订阅服务器Web套接字。

代码如下：

var protocol = location.protocol;
var hostname = location.hostname;
var port = location.port;
var url_prefix = protocol + "//" + hostname + (port === '' ? '' : ':' + port) + contextPath;
var sock = new SockJS(url_prefix + '/connectsocket');

Spring websocket在localhost上运行正常：

var socket = new SockJS('http: //localhost:9091/connect/sockjs');

Spring websocket在bics.cfapps.io上运行错误：

var socket = new SockJS('http: //bics.cfapps.io/connect/sockjs');

错误消息console.log ：

WebSocket connection to 'ws://bics.cfapps.io/connect/sockjs/376/7o5_41y7/websocket' failed: Error during WebSocket handshake: Unexpected response code: 400

sockjs-0.3.4.js:807 POST http: //bics.cfapps.io/connect/sockjs/376/colrrwci/xhr_streaming 500 (Internal Server Error)

Whoops! Lost connection to undefined

添加端口4443，但在bics.cfapps.io上仍有错误：

var socket = new SockJS('http: //bics.cfapps.io:4443/connect/sockjs');

错误消息console.log ：

XMLHttpRequest cannot load http: //bics.cfapps.io:4443/connect/sockjs/info. No 'Access-Control-Allow-Origin' header is present on the requested resource.

Origin 'http: //bics.cfapps.io' is therefore not allowed access. The response had HTTP status code 408.

Whoops! Lost connection to undefined

添加端口4443＆amp;但它仍然是bics.cfapps.io上的错误：

var socket = new WebSocket('ws://bics.cfapps.io:4443/connect/sockjs');

错误消息console.log ：

WebSocket connection to 'ws://bics.cfapps.io:4443/connect/sockjs' failed: Error during WebSocket handshake: Unexpected response code: 408

Whoops! Lost connection to ws://bics.cfapps.io:4443/connect/sockjs

我的代码配置：

@Configuration
@EnableWebSocket
@EnableWebSocketMessageBroker
public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer {
    @Override
    public void configureMessageBroker(MessageBrokerRegistry config) {
        config.enableSimpleBroker("/topic");
        config.setApplicationDestinationPrefixes("/bics");
    }
    @Override
    public void registerStompEndpoints(StompEndpointRegistry registry) {
        registry.addEndpoint("/connect/sockjs").withSockJS();
    }
}

Answer 1

在评论中指出gregturn给出的答案是正确的：

PWS通过ws: 不支持普通的websockets，但仅通过wss:支持安全的websockets。此外，它们可以在非标准端口4443上工作。

请参阅PWS release notes June 2016

弹簧的WebSocket - 运行 - 错误 - 上cloudfoundry-枢纽 - 网络服务

1 个答案: