shiro 无法获得ServletContext

用了apache-shiro以后，偶然发现servlet环境下(我开发时用的servlet3.0) HttpSession.getServletContext() 一直返回的是null
查看了ShiroHttpSession实现类的源代码，结合shiro官方文档。发现修改web.xml可以解决这个问题。

Xml代码 收藏代码
http://yingzhuo.iteye.com/blog/2001607

http://124444154-qq-com.iteye.com/blog/1832650

<?xml version="1.0" encoding="UTF-8"?> 

<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 

 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" 

 version="3.0"> 


 <!-- apache-shiro 核心拦截器 --> 

 <filter> 

 <filter-name>shiroFilter</filter-name> 

 <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class> 

 <init-param> 

 <param-name>targetFilterLifecycle</param-name> 

 <param-value>true</param-value> 

 </init-param> 

 </filter> 

 <filter-mapping> 

 <filter-name>shiroFilter</filter-name> 

 <url-pattern>/*</url-pattern> 

 </filter-mapping> 

</web-app> 



:)