login.jsp页面的代码

 <div id="container">

      <div class="logo">

         <a herf="dologin.jsp"><img src="assets/006.jpg" alt="" /></a>

      </div>

      <div id="box">

         <form action="#" method="post">

         <p class="main">

             <label>用户名:</label>

             <input name="username" value="" />

             <label>密码：</label>

             <input type="password" name="passsword" />

         </p>

         <p class="space">

            <input type="submit" value="登录" class="login" style=""/>

         </p>

         </form>

      </div>

   </div>

dologin.jsp页面的代码

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

String username="";

String password="";

request.setCharacterEncoding("UTF-8");

username=request.getParameter("username");

password=request.getParameter("password");

//如果用户名和密码都等于admin，则登录成功；

if("admin".equals(username)&&"admin".equals("password"))

{

  request.getRequestDispatcher("login_sucess.jsp").forward(request,response);

}else{

  response.sendRedirect("login_failure.jsp");

}

%>

登陆跳转的时候却出错了