Room events (e.g. room created, occupant joined, occupant left, etc.) should only be triggered in the node where the event took place. We are currently triggering it in each cluster node and that has two important consequences and one minor.
1) Reduce MUC scalability since a lot more MUC events are flooding the cluster
2) Triggers cluster errors since it produces chain of events across cluster nodes using the coherence listener thread
1) Fills up logs with messages like: Found occupant that left the room but was not in the room