为什么我下面的程序会出错啊?
<%@ page contentType="text/html;charset=GB2312"%>
<%@ page import="java.sql.*"%>
<%!
    String DBDRIVER="sun.jdbc.odbc.JdbcOdbcDriver";
    String DBURL="jdbc:odbc:mldn";
    Connection conn=null;
    Statement pstmt=null;
    String sql=null;
    ResultSet rs=null;
%>
<%
        //加载驱动程序
        try
        {
                Class.forName(DBDRIVER);
        }
        catch(Exception e)
        {
                out.println("数据驱动程序加载失败");
        }
        //连接数据库
        try
        {
                conn=DriverManager.getConnection(DBURL);
        }
        catch(Exception e)
        {
                out.println("连接数据库失败");
        }
        //操作数据库
        try
        {
            sql="SELECT id,name,password,age FROM person";
                pstmt=conn.createStatement();
                rs=pstmt.executeQuery(sql);
              while(rs.next())
              {
                  if(rs.getInt("id")==8)
                  {
                      int id=rs.getInt("id");
                      String name=rs.getString("name");
                      String password=rs.getString("password");
                      int age=rs.getInt("age");
%>
                      <h1>ID:<%=id%>,姓名:<%=name%>,密码:<%=password%>,年龄:<%=age%></h1>
<%    
                  }
              }
        }
        catch(Exception e)
        {
                out.println("操作数据库失败");
        }
        //关闭数据库
        try
        {
            rs.close();
                pstmt.close();
                conn.close();
        }
        catch(Exception e)
        {
                out.println("关闭数据库失败");
        }
%>