jsp 编程问题 null 值

来源：百度知道 编辑：UC知道 时间：2024/05/14 19:38:52
exception

org.apache.jasper.JasperException: Unable to compile class for JSP

An error occurred at line: 10 in the jsp file: /login_confirm.jsp

Generated servlet error:
[javac] Compiling 1 source file

D:\jsp相关软件\tomcat5.0\tomcat5.0\Tomcat 5.0\work\Catalina\localhost\190Site\org\apache\jsp\login_005fconfirm_jsp.java:65: cannot resolve symbol
symbol : class connData
location: class connData.connData
connData.connData loginBean = null;
^

An error occurred at line: 10 in the jsp file: /login_confirm.jsp

Generated servlet error:
D:\jsp相关软件\tomcat5.0\tomcat5.0\Tomcat 5.0\work\Catalina\localhost\190Site\org\apache\jsp\login_005fconfirm_jsp.java:67: cannot resolve symbol
symbol : class connData
location: class connData.connData
loginBean = (connData.connD

把你的jsp代码贴出来看下
我把我的jsp代码先给你,你可以对比下,我的用的是sql server自带的类,可以直接编译运行
============================================================
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=pubs";
String user="sa";
String password="sa";
Connection conn= DriverManager.getConnection(url,user,password);
Statement stmt=conn.createStatement();
String sql="select * from jobs";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
<%}%>
<%rs.close();
stmt.close();
conn.close();
%>