在web.xml中添加以下红色段落配置,将struts.xml文件放入WEB-INF/config/目录之下：
<!-- struts2配置 -->
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
<init-param>
<param-name>config</param-name>
<param-value>struts-default.xml,struts-plugin.xml,/WEB-INF/config/struts.xml</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>原文：http://blog.51cto.com/1197822/2156641