404错误 错误描述：description The requested resource is not available.
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>dsadas</title>
</head>
<body>
<h1>第一课</h1>
</body>
</html>
代码如下。。怎么解决啊！
