There is no Action mapped for namespace [/] and action name [login] associated with context path [/struts2]是什么意思，求教大神
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "
http://struts.apache.org/dtds/struts-2.0.dtd" >
<struts>
<package name="login" namespace="/" extends="struts-default">
<action name="login" class="com.zhb.struts2.action.LoginAction">
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>
</struts>
