@Override
        public void mapEvicted(@Nonnull final NodeID nodeID) {
            final Map<String, Collection<String>> entry = directedPresenceAddressingByClusterNode.get(nodeID);
            if (entry != null) {
                entry.clear();
            }
        }
EntryListener implementation tracks events for caches of c2s sessions.
xmppserver/src/main/java/org/jivesoftware/openfire/handler/PresenceUpdateHandler.java