http://www.cnblogs.com/babybluevino/archive/2012/11/29/2794732.html

>>> FilterDispatcher <<< is deprecated!

在struts2.3.7下，web.xml中使用

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

會出現
***********************************************************************
*?????????????????????????????? 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，從Struts 2.1.3起已被標注為過時的，改用StrutsPrepareAndExecuteFilter
解決方法，將web.xml上述代碼改為：

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

?

?

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