SILLY ERRORS

package me.Rocketboy901.Milk;

import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.Sound;
import me.Rocketboy901.Milk.FireworkEffectPlayer;


public class Main extends JavaPlugin implements Listener {
    FireworkEffectPlayer fplayer = new FireworkEffectPlayer();


    public void addEffects(Player player) {
        player.addPotionEffect(new PotionEffect(PotionEffectType.NIGHT_VISION, 20*20, 1));
        player.addPotionEffect(new PotionEffect(PotionEffectType.SPEED, 20*10, 1));
        player.addPotionEffect(new PotionEffect(PotionEffectType.HUNGER, 20*4, 1));
        player.addPotionEffect(new PotionEffect(PotionEffectType.CONFUSION, 20*4, 1));
        player.addPotionEffect(new PotionEffect(PotionEffectType.FAST_DIGGING, 20*10, 20));
        player.addPotionEffect(new PotionEffect(PotionEffectType.DAMAGE_RESISTANCE, 20*10, 2));
    }


     @Override
     public void onEnable(){
         Bukkit.getServer().getPluginManager().registerEvents(this, this);
     }
     @EventHandler(priority=EventPriority.HIGH)
      public void onInteract(PlayerInteractEvent event)
      {
        Player player = event.getPlayer();

        if (((event.getAction() == Action.RIGHT_CLICK_BLOCK) || (event.getAction() == Action.RIGHT_CLICK_AIR)) && (player.getItemInHand().getType() == Material.MILK_BUCKET)) {
          event.setCancelled(true);
          player.getInventory().setItemInHand(new ItemStack(Material.BUCKET, 1));
          try{
          fplayer.playFirework(event.getPlayer().getWorld(), event.getPlayer.getLocation(), Util.getRandomFireworkEffect());
          }
          catch(Exception e){

          }
          addEffects(player);



        }
      }



}