Struts2+Acegi整合的问题

Question

最近做个项目，整合了SSH和Acegi，在web.xml中配置了Acegi的拦截器在Struts2拦截器之前，现在其他一切都正常，只有一个问题：就是Acegi在验证权限失败后（也就是请求的url资源不是当前用户权限范围内的）转向的页面中不能有struts2的标签，只要有Struts2的标签，就会报错：The Struts dispatcher cannot be found.  This is usually caused by using Struts tags without the associated filter. web.xml配置片段如下：
<!-- Acegi拦截器 -->
<filter>
<filter-name>AcegiFilterChainProxy</filter-name>
<filter-class>
org.acegisecurity.util.FilterToBeanProxy
</filter-class>
<init-param>
<param-name>targetClass</param-name>
<param-value>
org.acegisecurity.util.FilterChainProxy
</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>AcegiFilterChainProxy</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping> <!-- Struts2拦截器 -->
<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>Acegi验证权限失败的配置片段如下：
<bean id="exceptionTranslationFilter"
class="org.acegisecurity.ui.ExceptionTranslationFilter">
<property name="authenticationEntryPoint">
<ref bean="authenticationProcessingFilterEntryPoint" />
</property>
<property name="accessDeniedHandler">
<bean
class="org.acegisecurity.ui.AccessDeniedHandlerImpl">
<property name="errorPage" value="/accessDenied.jsp" />
</bean>
</property>
</bean>

Answer 1

没法子，servlet-2.4以后，filter默认只拦截request，想拦截forward必须手工添加上。
<filter>
    <filter-name>TestFilter</filtername>
    <filter-class>anni.TestFilter</filter-class>
</filter>
<filter-mapping>
    <filter-name>TestFilter</filtername>
    <url-pattern>/*</url-pattern>
    <dispatcher>REQUEST</dispatcher>
    <dispatcher>FORWARD</dispatcher>
    <dispatcher>INCLUDE</dispatcher>
    <dispatcher>EXCEPTION</dispatcher>
</filter-mapping>