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javaEE:7
javaSE:1.8
JSTL:1.2.2
server:tomcat 8.5
browser:Chrome/Firefox
os:windows7 x64
ide:MyEclipse 2017
参考链接:http://www.cnblogs.com/avenxia/archive/2012/02/15/2353076.html
部分转载:
???<error-page></error-page> 用来处理错误代码或异常的页面,有三个子元素: ???<error-code></error-code> 指定错误代码 ???<exception-type></exception-type> 指定一个JAVA异常类型 ???<location></location> 指定在web站台内的相关资源路径比如:<error-page> ???<error-code>404</error-code> ???<location>/error404.jsp</location></error-page><error-page> ???<exception-type>java.lang.Exception</exception-type> ???<location>/exception.jsp</location></error-page>
工程目录结构
web.xml
<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1"> ?<display-name>Day12</display-name> ?<welcome-file-list> ???<welcome-file>index.html</welcome-file> ???<welcome-file>index.htm</welcome-file> ???<welcome-file>index.jsp</welcome-file> ???<welcome-file>default.html</welcome-file> ???<welcome-file>default.htm</welcome-file> ???<welcome-file>default.jsp</welcome-file> ?</welcome-file-list> ?????<servlet> ?<servlet-name>VerifyCodeServlet</servlet-name> ?<servlet-class>com.jizuiku.servlet.VerifyCodeServlet</servlet-class> ?</servlet> ???<servlet-mapping> ?<servlet-name>VerifyCodeServlet</servlet-name> ?<url-pattern>/VerifyCodeServlet</url-pattern> ?</servlet-mapping> ???<error-page> ?<exception-type>java.lang.ArithmeticException</exception-type> ?<location>/error/ForRuntimeException.jsp</location> ?</error-page> ???<error-page> ?<error-code>404</error-code> ?<location>/error/NotFoundError.jsp</location> ?</error-page> ?</web-app>
MyJsp.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> ?<head> ???<base href="<%=basePath%>"> ???????<title>My JSP ‘MyJsp.jsp‘ starting page</title> ???<meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"> ???<meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--> ?</head> ???<body> ?<% ??int n = (1 / 0); ???%> ???This is my JSP page. <br> ?</body></html>
NotFoundError.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> ?<head> ???<base href="<%=basePath%>"> ???????<title>My JSP ‘NotFoundError.jsp‘ starting page</title> ???<meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"> ???<meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--> ?</head> ???<body> ???访问的页面居然不存在<br /> ?</body></html>
ForRuntimeException.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> ?<head> ???<base href="<%=basePath%>"> ???????<title>My JSP ‘ForRuntimeException.jsp‘ starting page</title> ???<meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"> ???<meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--> ?</head> ???<body> ???请稍后访问。。。┭┮﹏┭┮<br /> ?</body></html>
访问不存在的页面
访问MyJsp.jsp
扩展
标题:web.xml配置错误页面不起作用
链接:http://blog.sina.com.cn/s/blog_4d1498f10100nmvs.html
部分转载
但怎么也跳转不了,我检查了几遍配置文件,确实没有问题,这下开始郁闷了,
就开始google了,但网上答案各异,实在是看的我眼花缭乱,最后换了个浏览器好了,
那这肯定是ie的原因了,就打开ie的选项看看是不是有什么特别设置的,恰好google的时候
一篇文章说有可能跟ie选项中的友好http错误提示有关,最后问题终于解决了,呵呵。
在IE工具->Internet选项->高级中将显示友好http错误提示的前面的勾取消,ok了。
java优秀,值得学习。
学习资源:博文头部的参考链接 + 清净的心地。
tomcat8.5基础 web.xml 抛出指定异常时,转到指定的页面
原文地址:http://www.cnblogs.com/jizuiku/p/7991963.html