[keycloak-user] Clustering not working properly.

Hi, I am using keycloak 1.5.0 and i am facing an issue with the clustering of it. I have two instances of keycloak behind a load balancer and i made the following changes to keycloak-server.json on both the instances. Added: "realmCache": { "provider": "infinispan" }, "userCache": { "provider": "infinispan" } ,t "userSessions": { "provider": "infinispan" } and ran the following command: ./standalone.sh --server-config=standalone-ha.xml -b=172.31.7.132. The server is starting but when i try to access admin console, it first gives me this error: type=LOGIN_ERROR, realmId=master, clientId=null, userId=null, ipAddress=172.31.18.200, error=expired_code, restart_after_timeout=true and redirects me to the login page again and then if i try to login in again, it gives me another again: type=LOGIN_ERROR, realmId=master, clientId=null, userId=null, ipAddress=172.31.25.198, error=invalid_code and exits saying 'try login using your application'. What am i doing that is causing this ?? Any config changes i need to do??