I have integrated with Hazelcast for my CAS 4.1.9 overlay, but seeing this message.
2016-08-18 19:19:31,850 INFO [org.jasig.cas.ticket.registry.support.DefaultTicketRegistryCleaner] - Beginning ticket cleanup.
2016-08-18 19:19:31,867 INFO [com.hazelcast.partition.InternalPartitionService] - [
dcasde01.dev.medplus.com]:5701 [dev] [3.5] Initializing cluster partition table first arrangement...
2016-08-18 19:19:31,932 INFO [com.hazelcast.map.impl.operation.QueryOperation] - [
dcasde01.dev.medplus.com]:5701 [dev] [3.5] Partition assignments changed while executing query: TruePredicate{}
2016-08-18 19:19:31,936 INFO [org.jasig.cas.ticket.registry.support.DefaultTicketRegistryCleaner] - 0 expired tickets found to be removed.
2016-08-18 19:19:31,936 INFO [org.jasig.cas.ticket.registry.support.DefaultTicketRegistryCleaner] - Finished ticket cleanup.