struts2的namespace的問題

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
??? <include file="struts-default.xml"></include>
??? <constant name="struts.custom.i18n.resources" value="message"></constant>
???
???? <package name="systemManager" extends="struts-default" >
??????? <action name="loginAction" class="com.hwadee.ssh.action.LoginAction">
??????????? <result name="success">/index.jsp</result>
??????????? <result name="error">/rbac/user/register.jsp</result>
??????? </action>
???????
??????? <action name="userAction" class="com.hwadee.ssh.action.UserAction">
???????????
??????? </action>
??? </package>
???
? <!--?? <package name="userManager" extends="struts-default" ?namespace="/rbac/user">
???????
??? </package> -->
???
???
</struts>???

---

如果把userAction放在后面那個包里面就會報找不到/namespace，找不到action錯誤？這是為什么

?

原因：訪問時要加上添加的命名空間，/rbac/user