A sample project to see the behaviour of Spring Security Concurrency Control mechanism with Hazelcast HTTP session clustering and reproduce the behaviour mentioned in below Hazelcast Google group and GitHub issue. https://groups.google.com/forum/#!topic/hazelcast/5LgM9LE-V_M hazelcast/hazelcast#3049
It's a basic Spring MVC project with Spring Security, created using Spring Tool Suite templates.
After deploying the project to your web container, go to the URL: http://localhost:YOUR_SERVER_PORT/test/admin and login with credentials -> user/password
Try logging out and logging in again and there should be no problem.