<?xml version="1.0" encoding="UTF-8"?><web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"    version="2.4">    <display-name>vi</display-name>    <description>整理一下验证码，生成不同形式的验证码</description>    <icon>        <!-- 这个没什么意义，可以查看index.html页面那个icon，那个挺酷 -->        <small-icon>/images/logo.gif</small-icon>    </icon>    <!-- 可以使用distributable元素来告诉servlet/JSP容器，编写将在分布式Web容器中部署的应用 --><!--     <distributable /> -->    <context-param>        <param-name>jdbcDriver</param-name>        <param-value>com.mysql.jdbc.Driver</param-value>    </context-param>    <!-- 验证码1 -->    <servlet>        <servlet-name>validateImage1</servlet-name>        <servlet-class>com.xue0610.common.ValidateImage1</servlet-class>    </servlet>    <servlet-mapping>        <servlet-name>validateImage1</servlet-name>        <url-pattern>v1/*</url-pattern>    </servlet-mapping>    <!-- 验证码2 -->    <servlet>        <servlet-name>validateImage2</servlet-name>        <servlet-class>com.xue0610.common.ValidateImage2</servlet-class>    </servlet>    <servlet-mapping>        <servlet-name>validateImage2</servlet-name>        <url-pattern>v2/*</url-pattern>    </servlet-mapping>    <filter>        <filter-name>TimeFilter</filter-name>        <filter-class>com.xue0610.common.TimeFilter</filter-class>    </filter>    <filter-mapping>        <filter-name>TimeFilter</filter-name>        <servlet-name>*</servlet-name>    </filter-mapping>    <!-- 欢迎页面 -->    <welcome-file-list>        <welcome-file>index.jsp</welcome-file>        <welcome-file>index.html</welcome-file>        <welcome-file>index.htm</welcome-file>    </welcome-file-list>    <!-- 错误页面 -->    <error-page>        <error-code>404</error-code>        <location>/error/404.html</location>    </error-page>    <error-page>        <error-code>500</error-code>        <location>/error/500.html</location>    </error-page></web-app>