FilterDispatcher is deprecated!

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FROM: http://blog.csdn.net/zzf112/article/details/41246665

在struts2.3.7下，web.xml中使用

<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>

会出现

***********************************************************************
*                               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            *
***********************************************************************

原因在于:

Class FilterDispatcher Deprecated. Since Struts 2.1.3, use StrutsPrepareAndExecuteFilter instead or StrutsPrepareFilterand StrutsExecuteFilter if needing using the ActionContextCleanUp filter in addition to this one..即，从Struts 2.1.3起已被标注为过时的，改用StrutsPrepareAndExecuteFilter
解决方法，将web.xml上述代码改为：

<filter><filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</filter-class>

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