我正在尝试使用Java Websocket API（1.0）-JSR 356中指定的带注释的终结点在tomcat
7.0.50上实现websocket。下面是我编写代码的简要步骤1）使用@ServerEndpoint注释编写一个websocket终结点2）实现@onOpen和@onMessage方法3）在google
chrome上使用javascript打开websocket。

请按顺序查找与上述步骤对应的代码

1）步骤1和2-编写Websocket服务器端点：

        package com.jkweb.websocket;

       import java.io.IOException;
       import java.util.HashMap;
       import java.util.List;
       import java.util.Map;

       import javax.websocket.EndpointConfig;
       import javax.websocket.OnMessage;
       import javax.websocket.OnOpen;
       import javax.websocket.Session;
       import javax.websocket.server.PathParam;
       import javax.websocket.server.ServerEndpoint;

       import org.slf4j.Logger;
       import org.slf4j.LoggerFactory;

  @ServerEndpoint(value="/websocket/fileuploadtracker")

@OnOpen 
public void open(Session session,EndpointConfig config) {
    ......
}
@OnMessage
public void onMessage(Session session, String msg) {
    try {
        session.getBasicRemote().sendText(msg);
    } catch (IOException e) {
        logger.error(e.getMessage());
    }
}

public static void sendMessage(String uniqueTocken,String msg){
    try {
        Session wsSession = socketConnectionMap.get(uniqueTocken);
        wsSession.getBasicRemote().sendText(msg);
    } catch (IOException e) {
        logger.error(e.getMessage());
    }
}

}

2）第3步-使用Chrome中的javascript API打开websocket：

      wsurl =  "ws://localhost:8080/jkweb/websocket/fileuploadtracker",
        ws; 
        ws = new WebSocket(wsurl);
         ws.onopen = function()
         {
            // Web Socket is connected, send data using send()
            ws.send("Sending first Message");
            alert("Message is sent...");
         };
         ws.onmessage = function (evt) 
         { 
            var received_msg = evt.data;
            alert("Message is received...");
         };
         ws.onclose = function(evt)
         { 
            // websocket is closed.
            alert("Connection is closed..."+evt.code + ":"+evt.reason ); 
         };

我正在使用以下版本的软件：1）Tomcat-7.0.50 2）Java-1.7.45 3）Servlet-3.0
4）包含以下Maven依赖项5）Chrome-32.0.1700.107m

     <dependency>
     <groupId>javax.websocket</groupId>
     <artifactId>javax.websocket-api</artifactId>
     <version>1.0</version>
         <scope>provided</scope>
</dependency>

但是我收到以下错误，Chrome控制台中的连接被1066错误代码关闭：

      WebSocket connection to 'ws://localhost:8080/jkweb/websocket/fileuploadtracker' failed: Error during WebSocket handshake: Unexpected response code: 404

有没有我遗漏的配置。我尝试搜索很多，但是找不到任何东西。请我尽快解决此问题。