spring bootでwebsocketを繋ぐ際にエラーが出ます。

###前提・実現したいこと
websocketを使って双方向通信を実現したい。

###発生している問題・エラーメッセージ

GET http://192.168.0.2/hello/info?t=1512211666507 net::ERR_CONNECTION_REFUSED
AbstractXHRObject._start @ abstract-xhr.js:132
(anonymous) @ abstract-xhr.js:21
setTimeout (async)
AbstractXHRObject @ abstract-xhr.js:20
XHRCorsObject @ xhr-cors.js:8
InfoAjax @ info-ajax.js:19
InfoReceiver._getReceiver @ info-receiver.js:39
InfoReceiver.doXhr @ info-receiver.js:56
(anonymous) @ info-receiver.js:25
setTimeout (async)
InfoReceiver @ info-receiver.js:24
SockJS @ main.js:121
connect @ socket.html:18
onclick @ socket.html:57

###該当のソースコード

Java
1サーバーサイドのディレクトリ構造
2WebsocketBoot
3|-src
4   |-main
5      |-java
6         |-com.hal.springboot
7                |-WebsocketBootApplication.java
8                |-ServletInitializer.java
9                |-controller
10                    |-WebController.java
11                |-filter
12                    |-SimpleCORSFilter.java
13                |-websocket
14                    |-Greeting.java
15                    |-Message.java
16                    |-SampleWebsocket.java
17                    |-WebSocketConfig.java

Java
1package com.hal.springboot;
2
3import org.springframework.boot.SpringApplication;
4import org.springframework.boot.autoconfigure.SpringBootApplication;
5
6@SpringBootApplication
7public class WebsocketBootApplication{
8
9	public static void main(String[] args) {
10		SpringApplication.run(WebsocketBootApplication.class, args);
11	}
12}

java
1package com.hal.springboot.controller;
2
3@Controller
4public class WebController {
5	
6	/**
7     * メッセージテンプレートです。
8     */
9    @Autowired
10    private SimpMessagingTemplate simpMessagingTemplate;
11
12@RequestMapping(value = "/",method=RequestMethod.GET)
13	@ResponseBody
14	/**
15	 * @RequestParam String nameは送られてくる名前と一緒でなければならない
16	 * @param name
17	 * @param kind
18	 * @param sex
19	 * @param character
20	 * @return
21	 * @throws IOException
22	 * @throws ServletException
23	 */
24	public String index(@RequestParam String name,
25            @RequestParam String kind,@RequestParam String sex,
26            @RequestParam String character) throws IOException, ServletException{
27		// TODO 自動生成されたメソッド・スタブ
28		System.out.println(name);
29		Gson gson = new Gson();
30		ArrayList<String> strList = new ArrayList<String>();
31		strList.add(name);
32		strList.add(kind);
33		return gson.toJson(strList);
34	}
35	
36	
37	@MessageMapping("http://192.168.0.2/hello") // エンドポイントの指定
38	@SendTo("http://192.168.0.3/topic/greetings") // メッセージの宛先を指定
39	public Greeting greeting(Message message) throws InterruptedException {
40	    TimeUnit.SECONDS.sleep(3);
41	    return new Greeting("Hello, " + message.getName() + "!");
42	}
43
44}
45

Java
1package com.hal.springboot.filter;
2
3/**
4 * Servlet Filter implementation class SimpleCORSFilter
5 */
6//@WebFilter("/SimpleCORSFilter")
7@Component
8public class SimpleCORSFilter implements Filter {
9
10    /**
11     * Default constructor. 
12     */
13    public SimpleCORSFilter() {
14        // TODO Auto-generated constructor stub
15    }
16
17	/**
18	 * @see Filter#destroy()
19	 */
20    @Override
21	public void destroy() {
22		// TODO Auto-generated method stub
23	}
24
25	/**
26	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
27	 */
28	@Override
29	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
30//		System.out.println("done");
31		req.setCharacterEncoding("utf-8");
32		HttpServletResponse response = (HttpServletResponse) res;
33        response.setHeader("Access-Control-Allow-Origin", "*");//http://localhost
34        response.setHeader("Access-Control-Allow-Credentials", "true");
35        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
36        response.setHeader("Access-Control-Max-Age", "3600");
37        response.setHeader("Access-Control-Allow-Headers", "x-requested-with");
38		// pass the request along the filter chain
39		chain.doFilter(req, response);
40	}
41
42	/**
43	 * @see Filter#init(FilterConfig)
44	 */
45	@Override
46	public void init(FilterConfig fConfig) throws ServletException {
47		// TODO Auto-generated method stub
48	}
49
50}
51

Java
1package com.hal.springboot.websocket;
2
3public class Greeting {
4	private String content;
5    public Greeting(String content) {
6        this.content = content;
7    }
8    public String getContent() {
9        return content;
10    }
11}
12

java
1package com.hal.springboot.websocket;
2
3public class Message {
4	private String name;
5	
6    public String getName() {
7        return name;
8    }
9    public void setName(String name) {
10        this.name = name;
11    }
12
13}
14

java
1package com.hal.springboot.websocket;
2
3import javax.websocket.OnMessage;
4import javax.websocket.server.ServerEndpoint;
5
6@ServerEndpoint("/echo")
7public class SampleWebSocket {
8	@OnMessage
9    public String echo(String message) {
10        System.out.println(message);
11        return message;
12    }
13}
14

java
1package com.hal.springboot.websocket;
2
3/**
4 * WebSocket用のコンフィグです。
5 */
6@Configuration
7@EnableWebSocketMessageBroker
8public class WebSocketConfig extends  AbstractWebSocketMessageBrokerConfigurer  {
9    
10	@Override
11    public void registerStompEndpoints(StompEndpointRegistry registry) {
12        registry.addEndpoint("/hello").withSockJS(); // WebSocketのエンドポイント (接続時に指定するエンドポイント)を指定
13    }
14
15    @Override
16    public void configureMessageBroker(MessageBrokerRegistry registry) {
17        registry.setApplicationDestinationPrefixes("/app"); // アプリケーション(Controller)でハンドリングするエンドポイントのプレフィックス
18        registry.enableSimpleBroker("/topic", "/queue"); // Topic(Pub-Sub)とQueue(P2P)を有効化 >>> メッセージブローカーがハンドリングする
19    }
20
21}
22

html
1<!DOCTYPE html>
2<html>
3<head>
4    <title>Hello WebSocket</title>
5    <script src="assets/js/vender/sockjs.js"></script>
6    <script src="assets/js/vender/stomp.min.js"></script>
7    <script type="text/javascript">
8        var stompClient = null;
9
10        function setConnected(connected) {
11            document.getElementById('connect').disabled = connected;
12            document.getElementById('disconnect').disabled = !connected;
13            document.getElementById('conversationDiv').style.visibility = connected ? 'visible' : 'hidden';
14            document.getElementById('response').innerHTML = '';
15        }
16
17        function connect() {
18            var socket = new SockJS('http://192.168.0.2/hello'); // WebSocketに接続
19            stompClient = Stomp.over(socket);
20            stompClient.connect({}, function (frame) {
21                setConnected(true);
22                console.log('Connected: ' + frame);
23                stompClient.subscribe('/topic/greetings', function (greeting) { // 挨拶の応答(/topic/greetings)を購読する
24                    showGreeting(JSON.parse(greeting.body).content);
25                });
26            });
27        }
28
29        function disconnect() {
30            if (stompClient != null) {
31                stompClient.disconnect();
32            }
33            setConnected(false);
34            console.log("Disconnected");
35        }
36
37        function sendName() {
38            var name = document.getElementById('name').value;
39            stompClient.send("/app/hello", {}, JSON.stringify({'name': name})); // メッセージを送信
40        }
41
42        function showGreeting(message) {
43            var response = document.getElementById('response');
44            var p = document.createElement('p');
45            p.style.wordWrap = 'break-word';
46            p.appendChild(document.createTextNode(message));
47            response.appendChild(p);
48        }
49    </script>
50</head>
51<body onload="disconnect()">
52<noscript><h2 style="color: #ff0000">Seems your browser doesn't support Javascript! Websocket relies on Javascript being
53    enabled. Please enable
54    Javascript and reload this page!</h2></noscript>
55<div>
56    <div>
57        <button id="connect" onclick="connect();">Connect</button>
58        <button id="disconnect" disabled="disabled" onclick="disconnect();">Disconnect</button>
59    </div>
60    <div id="conversationDiv">
61        <label>What is your name?</label><input type="text" id="name"/>
62        <button id="sendName" onclick="sendName();">Send</button>
63        <p id="response"></p>
64    </div>
65</div>
66</body>
67</html>