struts2升级报ActionContextCleanUp<<is deprecated。Please use the new filters

把web.xml中配置struts.xml的文件改成

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" 
 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 
 http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  <!--
  <filter>
   <filter-name>struts2</filter-name>
   <filter-class>
     org.apache.struts2.dispatcher.FilterDispatcher
   </filter-class>
 </filter>
 <filter-mapping>
   <filter-name>struts2</filter-name>
   <url-pattern>/*</url-pattern>
 </filter-mapping>
 
  -->
  <filter>
         <filter-name>struts-prepare</filter-name>
         <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter</filter-class>
     </filter>
  <filter-mapping>
         <filter-name>struts-prepare</filter-name>
         <url-pattern>/*</url-pattern>
     </filter-mapping>
    
     <filter>
         <filter-name>struts-execute</filter-name>
         <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter</filter-class>
     </filter>
     <filter-mapping>
         <filter-name>struts-execute</filter-name>
         <url-pattern>/*</url-pattern>
     </filter-mapping>
  
  
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>