private void evictCachedUsersForGroup(String groupName)
    {
        try {
            evictCachedUsersForGroup( getGroup(groupName) );
        } catch ( GroupNotFoundException e ) {
            Log.debug("Unable to evict cached users for group '{}': this group does not exist.", groupName, e);
        }
    }
Evict from cache all cached user entries that relate to the provided group.

This method ignores group names for which a group cannot be found.

@param groupName The name of a group for which to evict cached user entries (cannot be null).
xmppserver/src/main/java/org/jivesoftware/openfire/group/GroupManager.java