Tomcat7/8/8.5三种版本的redis-session-manager的jar和xml配置均不同

chexagon/redis-session-manager: A tomcat8 session manager providing session replication via persistence to redis
https://github.com/chexagon/redis-session-manager

jcoleman/tomcat-redis-session-manager: Redis-backed non-sticky session store for Apache Tomcat
https://github.com/jcoleman/tomcat-redis-session-manager

Best option for Session management in Java - Stack Overflow
https://stackoverflow.com/questions/1700390/best-option-for-session-management-in-java

数据为王
https://gitsea.com/

Tomcat8.0.36 上通过redis来进行session共享（chexagon/redis-session-manager） - 一个烂人的随手笔记 - CSDN博客
https://blog.csdn.net/remote_roamer/article/details/51974347

tomcat 7 session 共享 redis | 数据为王
https://gitsea.com/2015/11/04/tomcat-7-session-%e5%85%b1%e4%ba%ab-redis/

Tomcat7基于Redis的Session共享实战一 - Ruthless - 博客园
https://www.cnblogs.com/linjiqin/p/5761281.html