HttpSession attributes containing unmodifiable collections of immutable objects trigger unnecessary replication --------------------------------------------------------------------------------------------------------------- Key: WFLY-7801 URL: https://issues.jboss.org/browse/WFLY-7801 Project: WildFly Issue Type: Bug Components: Clustering Affects Versions: 10.1.0.Final Reporter: Paul Ferraro Assignee: Paul Ferraro Unmodifiable collections include: Collections.empty*(); Collections.singleton*(); Collections.unmodifiable*(); where the collection contents are also immutable.