Bukkit.getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
    public void run() {
            for (Player p: getServer().getOnlinePlayers())
                 if (p.isBlocking()) {
                	 Item item = p.getWorld().dropItem(p.getEyeLocation(), new ItemStack(Material.FIRE));

                	 item.setVelocity(p.getLocation().getDirection().normalize().multiply(2));
                	 p.getWorld().playSound(p.getLocation(),Sound.GHAST_FIREBALL,1, 1);



                 }}

}, 0, 1 * 1);