JSP问题

<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*"  %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>个人信息查询</title>
<style type="text/css">
<!--
.STYLE1 {
font-size: 18px;
font-weight: bold;
}
-->
</style>
</head><body>
<div align="center">
  <img src="image/1_01.gif" width="770" height="111" />
  <table width="774" border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td width="774">&nbsp;</td>
    </tr>
  </table>
  <table width="773" border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td width="152" rowspan="2"><img src="image/1_02.gif" width="154" height="79" /></td>
      <td width="597" height="39">
  <%Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance(); 
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=TRSS"; 
String user="sa"; 
String password="123"; 
Connection conn= DriverManager.getConnection(url,user,password); 
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE); 
String Sname="select * from Stu where Sno='"+session.getAttribute("Sno")+"'";
ResultSet rs=stmt.executeQuery(Sname);
rs.next();
String ok=rs.getString(2); 
out.println(ok+"同学，欢迎，你好，欢迎进入web信息管理查询系统！"); 
  String information="select * from Stu where Sno='"+session.getAttribute("Sno")+"'";
  ResultSet rs1=stmt.executeQuery(information); 
  while(rs1.next()) {
  Sno=rs.getString("Sno");
  Sname=rs.getString("Sname");
  Sgender=rs.getString("Sgender");
  Birthday=rs.getString("Birthday");
  Shp=rs.getString("Shp");
  Sp=rs.getString("Sp");
  Sfzc=rs.getString("Sfzc");
  Sfa=rs.getString("Sfa");
  Sdept=rs.getString("Sdept");
  Classs=rs.getString("Class");
  Sidc=rs.getString("Sidc");}  
  String information="select * from Stu where Sno='"+session.getAttribute("Sno")+"'";
  ResultSet rs1=stmt.executeQuery(information); 
  while(rs1.next()) {
  Sno=rs.getString("Sno");
  Sname=rs.getString("Sname");
  Sgender=rs.getString("Sgender");
  Birthday=rs.getString("Birthday");
  Shp=rs.getString("Shp");
  Sp=rs.getString("Sp");
  Sfzc=rs.getString("Sfzc");
  Sfa=rs.getString("Sfa");
  Sdept=rs.getString("Sdept");
  Classs=rs.getString("Class");
  Sidc=rs.getString("Sidc");}%>
</td>
      <td width="24" rowspan="2" align="center"><img src="image/1_04.gif" width="18" height="79" /></td>
    </tr>
    <tr>
      <td height="38" valign="top"><img src="image/1_07.gif" width="597" height="38" /></td>
    </tr>
  </table>
  <table width="200" border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td><img src="image/1_08.gif" width="155" height="44" /></td>
      <td rowspan="9" valign="top"><table width="917" border="0" cellspacing="0" cellpadding="0">
        <tr>
          <td width="72" align="center"><p class="STYLE1">

          学号</p></td>
          <td width="66" align="center" class="STYLE1">姓名</td>
          <td width="64" align="center" class="STYLE1">性别</td>
          <td width="66" align="center" class="STYLE1">出生日期</td>
          <td width="69" align="center" class="STYLE1">生源地</td>
          <td width="68" align="center" class="STYLE1">政治面貌</td>
          <td width="68" align="center" class="STYLE1">家庭邮编</td>
          <td width="66" align="center" class="STYLE1">家庭地址</td>
          <td width="70" align="center" class="STYLE1">所在系</td>
          <td width="75" align="center" class="STYLE1">所在班级</td>
          <td width="71" align="center" class="STYLE1">身份证号</td>
          <td width="80" align="center" class="STYLE1">&nbsp;</td>
          <td width="82" align="center" class="STYLE1">&nbsp;</td>
        </tr>
        <tr>
          <td><%=Sno%></td>
          <td><%=Sname%></td>
          <td><%=Sgender%></td>
          <td><%=Birthday%></td>
          <td><%=Shp%></td>
          <td><%=Sp%></td>
          <td><%=Sfzc%></td>
          <td><%=Sfa%></td>
          <td><%=Sdept%></td>
          <td><%=Classs%></td>
          <td><%=Sidc%></td>
          <td></td>
          <td></td>
        </tr>
        <tr>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
        </tr>
        <tr>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
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          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
        </tr>
        <tr>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
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          <td>&nbsp;</td>
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          <td>&nbsp;</td>
        </tr>
        <tr>
          <td height="18">&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
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          <td>&nbsp;</td>
          <td>&nbsp;</td>
          <td>&nbsp;</td>
        </tr>
      </table></td>
      <td rowspan="9"><img src="image/1_11.gif" width="18" height="403" /></td>
    </tr>
    <tr>
      <td><img src="image/1_12.gif" width="154" height="39" /></td>
    </tr>
    <tr>
      <td><img src="image/1_14.gif" width="154" height="38" /></td>
    </tr>
    <tr>
      <td><img src="image/1_15.gif" width="154" height="39" /></td>
    </tr>
    <tr>
      <td><img src="image/1_16.gif" width="154" height="39" /></td>
    </tr>
    <tr>
      <td><img src="image/1_17.gif" width="154" height="39" /></td>
    </tr>
    <tr>
      <td><a href="updatec.jsp"><img src="image/1_18.gif" width="154" height="38" border="0" /></a></td>
    </tr>
    <tr>
      <td><a href="exit2.jsp"><img src="image/1_19.gif" width="154" height="39" border="0" /></a></td>
    </tr>
    <tr>
      <td><img src="image/1_20.gif" width="154" height="88" /></td>
    </tr>
  </table>
  <table width="200" border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td><img src="image/1_21.png" width="770" height="62" /></td>
    </tr>
  </table>
</div>
<p>&nbsp;</p>
</body>
</html>报错：~~~~~~~~~~~
描 述 服务器遇到内部错误，无法满足这个访问请求异 常 org.apache.jasper.JasperException: Unable to load class for JSP
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:512)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)是什么原因，我其他网页可以运行，这个就不行了，为啥？？