Struts2异常拦截器的配置

<package name="sysManageServices" namespace="/" extends="struts-default">
  <interceptors>
    <interceptor name="requestCheck" class="com.RequestInterceptor"/>
      <interceptor-stack name="teamwareStack">
        <interceptor-ref name="requestCheck"/>
        <interceptor-ref name="defaultStack"/>
      </interceptor-stack>
  </interceptors>
  <global-results>
    <result name="allException">/page/result.jsp</result>
  </global-results>
  <global-exception-mappings>  
    <exception-mapping result="allException" exception="java.lang.Exception">  
    </exception-mapping>
  </global-exception-mappings>
  <action name="searchUserInfo" class="com.SearchUserInfoAction">
    <interceptor-ref name="defaultStack"/>
      <result name="success">/page/userManage.jsp</result>
      <result name="error">/page/result.jsp</result>
  </action>
</package>