@EventHandler
    public void onEntityDamage(final EntityDamageEvent event)
    {
        if (!(event.getEntity() instanceof Player)) {
            Player player = (Player) event.getEntity();
            World w = player.getWorld();
            return;

            if (w.getName().equalsIgnoreCase("hub")) {
                if ((event.getCause().equals(EntityDamageEvent.DamageCause.FALL))) {
                    event.setCancelled(true);
                }
            }
        }
    }