罗彬 发表于 2008-3-29 11:25

JSP中bean加载问题

<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<%@ page import="shop.car.Book"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>
<body>
<jsp:useBean id="lu" scope="application" class="shop.car.test"/>
</body>
</html>


我运行的时候总是出现这个错误:
HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: org.apache.jasper.JasperException: Unable to load class for JSP
        org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:156)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:329)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


root cause

org.apache.jasper.JasperException: Unable to load class for JSP
        org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:600)
        org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:144)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:329)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


root cause

java.lang.ClassNotFoundException: org.apache.jsp.test1_jsp
        java.net.URLClassLoader$1.run(Unknown Source)
        java.security.AccessController.doPrivileged(Native Method)
        java.net.URLClassLoader.findClass(Unknown Source)
        org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:134)
        org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66)
        org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:598)
        org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:144)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:329)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


note The full stack trace of the root cause is available in the Apache Tomcat/6.0.16 logs.

我在WEB-INF目录下已经建好了classes\shop\car\test.class文件.为什么总是报这个错误

[[it] 本帖最后由 罗彬 于 2008-3-29 11:26 编辑 [/it]]

stader 发表于 2008-3-30 15:26

类加载错误

论坛元老 发表于 2008-4-1 11:33

路过,顶一下

pacocai 发表于 2008-4-1 19:54

编译了没有?

Starlove 发表于 2008-4-3 10:44

test里面怎么写 的

Ethip 发表于 2008-4-6 15:22

回复 1# 的帖子

重新启动服务器和加载配置

<jsp:useBean>不能单独使用的,应和setProperty或者getProperty一起使用才有意义。

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