Exception report
message /dologin.jsp (line: 4, column: 0) The value for the useBean class attribute com.lo.User is invalid.
The value for the useBean class attribute com.lo.User is invalid.
这个是什么意思?以下是dologin前四行。包名类名检查均无错
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ page import="com.dao.*,com.lo.*" %>
<jsp:useBean id="loginUser" class="com.lo.User" scope="page"/>
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