WARNING!!!
>>> FilterDispatcher <<< is deprecated! Please use the new filters!
This can be a source of unpredictable problems!
Please refer to the docs for more details!
http://struts.apache.org/2.x/docs/webxml.html
在使用Struts时如果出现上面的错误,表示你的过滤器已经过时了
我们可以打开提示中的URL进行查看
发现新的web.xml 配置过滤器已经更改
<web-app id="WebApp_9" 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.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> <init-param> <param-name>actionPackages</param-name> <param-value>com.mycompany.myapp.actions</param-value> </init-param> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- ... --> </web-app>
新的过滤器地址 org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
我们往下看有说明
Changed Filter Structure in Struts >= 2.1.3
原来从2.1.3版本开始,旧的过滤器就已经失效拉。。。
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