为什么我运行的时候总是报500错误
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8" isErrorPage="true"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
<h1>exception内置对象</h1>
异常的消息是：<%=exception.getMessage() %><br>
异常的字符串描述：<%=exception.toString() %>
</body>
</html>
