在jsp中使用javaBeans标记的类名无效
下面是错误消息 org.apache.jasper.JasperException:/Task2/ProcessAuthor.jsp(行:[4],列:[0])useBean类属性[lab6.com.Task2.author]的值无效。 org.apache.jasper.compiler.DefaultErrorHandler.jsperor(DefaultErrorHandler.java:42) org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:292) org.apache.jasper.compiler.ErrorDispatcher.jsperor(ErrorDispatcher.java:115) org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1387) org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1188) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2391) org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2443) org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2449) org.apache.jasper.compiler.Node$Root.accept(Node.java:472) org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2391) org.apache.jasper.compiler.Generator.generate(Generator.java:3620) org.apache.jasper.compiler.compiler.generateJava(compiler.java:258) org.apache.jasper.compiler.compiler.compile(compiler.java:392) org.apache.jasper.compiler.compiler.compile(compiler.java:368) org.apache.jasper.compiler.compiler.compile(compiler.java:352) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:603) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:400) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327) jakarta.servlet.http.HttpServlet.service(HttpServlet.java:770) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) 我尝试运行使用javaBeans的jsp文件,代码如下在jsp中使用javaBeans标记的类名无效,jsp,javabeans,Jsp,Javabeans,下面是错误消息 org.apache.jasper.JasperException:/Task2/ProcessAuthor.jsp(行:[4],列:[0])useBean类属性[lab6.com.Task2.author]的值无效。 org.apache.jasper.compiler.DefaultErrorHandler.jsperor(DefaultErrorHandler.java:42) org.apache.jasper.compiler.ErrorDispatcher.dispa
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ page import="java.sql.*" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Task 2</title>
</head>
<body>
<h1>Lab 6 - Task 1 - Perform creating and retrieving records via JSP page</h1>
<jsp:useBean id="author" class="lab6.com.task2.author" scope="request"/>
<jsp:setProperty name="author" property="*"/>
任务2
实验6-任务1-通过JSP页面创建和检索记录