web.xml：内容

<?xml version="1.0" encoding="UTF-8"?><web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <welcome-file-list> <welcome-file>a.html</welcome-file> </welcome-file-list></web-app>

二：

修改端口号为80端口号：

--> <Connector port="80" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />

修改虚拟路径：

<Host name="www.systest.com" appBase="d:\home"> <Context path="" docBase="d:\home\mail"/> </Host>

添加host

# Localhost (DO NOT REMOVE) Start#127.0.0.1 localhost127.0.0.1 www.systest.com

启动tomcat: