求助：Spring + WebSocket 握手失败 Unexpected response code: 400

Arshle 2017-04-21 08:18:20

求助各位大神，现在我的WebSocket是这么配置的：
注册类：



/**

 * WebSocket注册类

 *

 * @author zhangdanji

 * 

 */

@Configuration

@EnableWebMvc

@EnableWebSocket

public class DataPresentationWebSocketConfig extends WebMvcConfigurerAdapter implements WebSocketConfigurer

{

	private Logger logger = LoggerFactory.getLogger(DataPresentationWebSocketConfig.class);

	

	/**

	 * 注册WebSocketHandler

	 *

	 * @author zhangdanji

	 * @param registry

	 * 

	 */

	@Override

	public void registerWebSocketHandlers(WebSocketHandlerRegistry registry)

	{

		logger.info("---Begin Invoke:DataPresentationWebSocketConfig.registerWebSocketHandlers---");

		registry.addHandler(dataPresentationWebSocketHandler(), "/dataPresentationWebSocketServer.do").addInterceptors(new DataPresentationWebSocketInterceptor());

	}

	

	@Bean

	public WebSocketHandler dataPresentationWebSocketHandler(){

		return new DataPresentationWebSocketHandler();

	}

}

handler：



/**

 * WebSocketHandler类

 *

 * @author zhangdanji

 * 

 */

public class DataPresentationWebSocketHandler extends TextWebSocketHandler

{



	private Logger logger = LoggerFactory.getLogger(DataPresentationWebSocketHandler.class);

	public static final List<WebSocketSession> LOGIN_USERS = Collections.synchronizedList(new ArrayList<WebSocketSession>());  

	

	@Autowired

	private DataPresentationService dataPresentationService;

	

	/**

	 * WebSocket连接创建

	 *

	 * @author zhangdanji

	 * @param session

	 * 

	 */

	@Override

	public void afterConnectionEstablished(WebSocketSession session) throws Exception

	{

		logger.info("---Begin Invoke:DataPresentationWebSocketHandler.afterConnectionEstablished---");

		LOGIN_USERS.add(session); //将登录的WebSocketSession放入缓存中

		logger.info("---用户" + WebSocketUtil.getSysUserFromWebSocketSession(session).getName() + "WebSocket连接已建立---");

	}



	/**

	 * WebSocket接受消息并发送

	 *

	 * @author zhangdanji

	 * @param session

	 * 		  message

	 * 

	 */

	@Override

	protected void handleTextMessage(WebSocketSession session, TextMessage message) throws Exception

	{

		logger.info("---Begin Invoke:DataPresentationWebSocketHandler.handleTextMessage{message:" + message.getPayload() + "}---");

		//根据页面消息设置工作标识

		if("WEBSOCKET_IS_WORK".equals(message.getPayload())){

			//WebSocket启动工作

			WebSocketUtil.setWebSocketWorkFlag(session, true);

			logger.info("---用户" + WebSocketUtil.getSysUserFromWebSocketSession(session).getName() + "WebSocket开始工作---");

		}else if("WEBSOCKET_STOP_WORK".equals(message.getPayload())){

			//WebSocket停止工作

			WebSocketUtil.setWebSocketWorkFlag(session, false);

			logger.info("---用户" + WebSocketUtil.getSysUserFromWebSocketSession(session).getName() + "WebSocket停止工作---");

		}else if(message.getPayload().startsWith("WEBSOCKET_BIND_USER")){

			//绑定WebSocketSession用户

			String bindUserId = message.getPayload().substring(message.getPayload().indexOf(":") + 1);

			if(StringUtils.isEmpty(bindUserId) || !StringUtils.isInteger(bindUserId)){

				throw new RuntimeException("绑定的用户ID不存在或不是整数类型");

			}

			WebSocketUtil.setWebSocketBindUser(session, Integer.parseInt(bindUserId));

			

		}else if(message.getPayload().startsWith("WEBSOCKET_REFRESH_ALL_DATA")){

			//刷新所有数据

			String updateUserId = message.getPayload().substring(message.getPayload().indexOf(":") + 1);

			logger.info("---用户" + WebSocketUtil.getSysUserFromWebSocketSession(session).getName() + "刷新用户" + updateUserId + "所有数据---");

			if(StringUtils.isEmpty(updateUserId) || !StringUtils.isInteger(updateUserId)){

				throw new RuntimeException("更新数据的用户ID不存在或不是整数类型");

			}

			SysUser updateUser = new SysUser(Integer.parseInt(updateUserId));

			dataPresentationService.updateDataPresentation(updateUser, 0);

		}else{

			//WebSocket设置是否启用标识，若启用则发送消息

			Boolean isWork = WebSocketUtil.getWebSocketWorkFlag(session);

			if(isWork){

				session.sendMessage(new TextMessage(message.getPayload()));

			}else{

				logger.info("---INFO:用户" + WebSocketUtil.getSysUserFromWebSocketSession(session).getName() + "WebSocket未启用工作---");

			}

		}

	}



	/**

	 * WebSocket处理异常

	 *

	 * @author zhangdanji

	 * @param session

	 * 		  exception

	 * 

	 */

	@Override

	public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception

	{

		logger.info("---Begin Invoke:DataPresentationWebSocketHandler.handleTransportError{exception:" + exception.getMessage() + "}---");

		logger.info("---用户" + WebSocketUtil.getSysUserFromWebSocketSession(session).getName() + "WebSocket因异常关闭---");

		if(session.isOpen()){  

            session.close();  

        }  

        LOGIN_USERS.remove(session);  

	}



	/**

	 * WebSocket关闭连接

	 *

	 * @author zhangdanji

	 * @param session

	 * 		  closeStatus

	 * 

	 */

	@Override

	public void afterConnectionClosed(WebSocketSession session, CloseStatus closeStatus) throws Exception

	{

		logger.info("---Begin Invoke:DataPresentationWebSocketHandler.afterConnectionClosed{closeStatus:" + closeStatus + "}---");

		logger.info("---用户" + WebSocketUtil.getSysUserFromWebSocketSession(session).getName() + "WebSocket关闭---");

		LOGIN_USERS.remove(session); 

	}



	/**

	 * WebSocket局部消息

	 *

	 * @author zhangdanji

	 * 

	 */

	@Override

	public boolean supportsPartialMessages()

	{

		return false;

	}



}

interceptor：



/**

 * WebSocket拦截器

 *

 * @author zhangdanji

 * 

 */

public class DataPresentationWebSocketInterceptor extends HttpSessionHandshakeInterceptor

{

	private Logger logger = LoggerFactory.getLogger(DataPresentationWebSocketInterceptor.class);



	@Override

	public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler,

			Map<String, Object> attributes) throws Exception

	{

		logger.info("---Begin Invoke:DataPresentationWebSocketInterceptor.beforeHandshake---");

		if (request instanceof ServletServerHttpRequest) {

			//从request中获取user信息放入WebSocketSession中

			ServletServerHttpRequest servletRequest = (ServletServerHttpRequest) request;

		    HttpServletRequest req = servletRequest.getServletRequest();

		    SysUser user = UserUtil.getUser(req);

		    attributes.put("LOGIN_USER", user);

		}

		return super.beforeHandshake(request, response, wsHandler, attributes);

	}

	

}

js：



// WebSocket对象

var url = crmUrl.replace("http://","ws://") + "/dataPresentationWebSocketServer.do";

var _webSocket = {  

    socket : null,  // WebSocket连接对象  

    host : '',      // WebSocket连接 url  

    connect : function() {  // 连接服务器  

        window.WebSocket = window.WebSocket || window.MozWebSocket;  

        if (!window.WebSocket) {    // 检测浏览器支持  

        	top.showMsg("", "当前浏览器不支持WebSocket，无法更新数据", true, "warning");

            return;  

        }  

        this.socket = new WebSocket(this.host); // 创建连接并注册响应函数  

        this.socket.onopen = onOpenCallBack;  

        this.socket.onmessage = onMessageCallBack; 

        this.socket.onclose = function(){  

        	_webSocket.socket = null; // 清理  

        };  

    },  

    send : function(message) {  // 发送消息方法  

        if (this.socket) {  

            this.socket.send(message);  

            return true;  

        }  

        top.showMsg("", "WebSocket未连接！", true, "warning");

        return false;  

    }  

}; 

// 初始化WebSocket连接 url  

_webSocket.host = url;  



if(!_webSocket.socket){

	//建立WebSocket连接

	_webSocket.connect();

}

以上是代码，我在本机和sit环境测试的都没有问题，但是转测得时候由于域名格式不一样就有WebSocket connection to 'ws://crm.to3.mychebao.com/dataPresentationWebSocketServer.do' failed: Error during WebSocket handshake: Unexpected response code: 400这个问题
本机WebSocket地址是http://127.0.0.1:8080/crm-web/dataPresentationWebSocketServer.do
sit环境地址是http://boss.sit2.mychebao.com:8080/crm-web/dataPresentationWebSocketServer.do
转测之后地址是http://boss.to3.mychebao.com/dataPresentationWebSocketServer.do
转测之后的环境是把端口号、项目名全部集成在一个域名下，这个环境就会报这个错，求大神帮忙看一下！！

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