以下信息配置于工程的web.xml中
<?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">
<!--配置struts2-->
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!--use for jsp application porject access-->
<!-- used like appliction.getInitParameter -->
<context-param>
<param-name>username</param-name>
<param-value>fengqt</param-value>
</context-param>
<!--配置错误页面-->
<error-page>
<error-code>500</error-code>
<location>/html/500.jsp</location>
</error-page>
</web-app>