shiro only provide the support of ehcache and concurrentHashMap. Here is an implement of redis cache can be used by shiro. Hope it will help you!
'org.crazycake:shiro-redis:2.4.2-RELEASE'
<dependency> <groupId>org.crazycake</groupId> <artifactId>shiro-redis</artifactId> <version>2.4.2-RELEASE</version> </dependency>
<dependency org="org.crazycake" name="shiro-redis" rev="2.4.2-RELEASE"/>
"org.crazycake", "shiro-redis", "2.4.2-RELEASE"