struts2中过滤器无法过滤action的原因

<filter>
<filter-name>trader_right</filter-name>
<filter-class>cn.silvernet.filter.TraderRightFilter</filter-class>
</filter>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>

<filter-mapping>
<filter-name>trader_right</filter-name>
<!-- <url-pattern>/Due2BankAction_add.do</url-pattern> -->
<url-pattern>/Due2BankAction_add.do</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>