Help Mobs wont despawn // cast error

[Drazeal]

i get this error when i kill any creature IG, can someone help me resolve it? i tried to find whats wrong but there are no errors on eclipse and its the 1st time i run into it. 

 

Thanks.

 

Exception in thread "pool-2-thread-150" java.lang.ClassCastException: class org.l2jmobius.gameserver.model.actor.instance.MonsterInstance cannot be cast to class org.l2jmobius.gameserver.model.actor.instance.PlayerInstance (org.l2jmobius.gameserver.model.actor.instance.MonsterInstance and org.l2jmobius.gameserver.model.actor.instance.PlayerInstance are in unnamed module of loader 'app')
	at org.l2jmobius.gameserver.network.serverpackets.Die.<init>(Die.java:58)
	at org.l2jmobius.gameserver.ai.AbstractAI.clientNotifyDead(AbstractAI.java:660)
	at org.l2jmobius.gameserver.ai.CreatureAI.onEvtDead(CreatureAI.java:843)
	at org.l2jmobius.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:337)
	at org.l2jmobius.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:224)
	at org.l2jmobius.gameserver.model.actor.Creature.doDie(Creature.java:1620)
	at org.l2jmobius.gameserver.model.actor.Npc.doDie(Npc.java:893)
	at org.l2jmobius.gameserver.model.actor.Attackable.doDie(Attackable.java:294)
	at org.l2jmobius.gameserver.model.actor.status.CreatureStatus.reduceHp(CreatureStatus.java:188)
	at org.l2jmobius.gameserver.model.actor.status.NpcStatus.reduceHp(NpcStatus.java:57)
	at org.l2jmobius.gameserver.model.actor.status.AttackableStatus.reduceHp(AttackableStatus.java:65)
	at org.l2jmobius.gameserver.model.actor.Creature.reduceCurrentHp(Creature.java:4516)
	at org.l2jmobius.gameserver.model.actor.Attackable.reduceCurrentHp(Attackable.java:268)
	at org.l2jmobius.gameserver.model.actor.Creature.doAttack(Creature.java:4382)
	at org.l2jmobius.gameserver.model.actor.Creature.onHitTarget(Creature.java:3744)
	at org.l2jmobius.gameserver.model.actor.Creature.onFirstHitTimeForDual(Creature.java:3706)
	at org.l2jmobius.gameserver.model.actor.Creature.lambda$doAutoAttack$9(Creature.java:1120)
	at org.l2jmobius.commons.concurrent.RunnableWrapper.run(RunnableWrapper.java:38)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)

 

[An4rchy]

Show Die.java write() method so we know why it's trying to cast Monster to Player.

[Drazeal]

/*
 * This file is part of the L2J Mobius project.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.l2jmobius.gameserver.network.serverpackets;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.l2jmobius.commons.network.PacketWriter;
import org.l2jmobius.gameserver.instancemanager.CastleManager;
import org.l2jmobius.gameserver.instancemanager.FortManager;
import org.l2jmobius.gameserver.model.AccessLevel;
import org.l2jmobius.gameserver.model.SiegeClan;
import org.l2jmobius.gameserver.model.actor.Creature;
import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
import org.l2jmobius.gameserver.model.clan.Clan;
import org.l2jmobius.gameserver.model.entity.Castle;
import org.l2jmobius.gameserver.model.entity.Fort;
import org.l2jmobius.gameserver.model.entity.GameEvent;
import org.l2jmobius.gameserver.model.zone.ZoneId;
import org.l2jmobius.gameserver.network.OutgoingPackets;

/**
 * @author UnAfraid, Nos
 */
public class Die implements IClientOutgoingPacket
{
	private final int _objectId;
	private boolean _toVillage;
	private boolean _toClanHall;
	private boolean _toCastle;
	private boolean _toOutpost;
	private final boolean _isSweepable;
	private boolean _useFeather;
	private boolean _toFortress;
	private boolean _hideAnimation;
	private List<Integer> _items = null;
	private boolean _itemsEnabled;
	private AccessLevel _access;
	private final int _charObjId;
	private Clan _clan;
	Creature _activeChar;
	@SuppressWarnings("unused")
	private boolean _canTeleport;
	
	public Die(Creature creature)
	{
		_activeChar = creature;
		if (creature instanceof PlayerInstance)
		{
			PlayerInstance player = (PlayerInstance) creature;
			_access = player.getAccessLevel();
			_clan = player.getClan();
		}
		
		_charObjId = creature.getObjectId();
		_canTeleport = !(((creature instanceof PlayerInstance) && GameEvent.isOn() && GameEvent.isPlayerParticipant(_charObjId)) || creature.isPendingRevive());
		
		if (_activeChar.isOnEvent())
		{
			_canTeleport = false;
		}
		
		_objectId = creature.getObjectId();
		if (creature.isPlayer())
		{
			final Clan clan = creature.getActingPlayer().getClan();
			boolean isInCastleDefense = false;
			boolean isInFortDefense = false;
			SiegeClan siegeClan = null;
			final Castle castle = CastleManager.getInstance().getCastle(creature);
			final Fort fort = FortManager.getInstance().getFort(creature);
			if ((castle != null) && castle.getSiege().isInProgress())
			{
				siegeClan = castle.getSiege().getAttackerClan(clan);
				isInCastleDefense = (siegeClan == null) && castle.getSiege().checkIsDefender(clan);
			}
			else if ((fort != null) && fort.getSiege().isInProgress())
			{
				siegeClan = fort.getSiege().getAttackerClan(clan);
				isInFortDefense = (siegeClan == null) && fort.getSiege().checkIsDefender(clan);
			}
			_toVillage = creature.canRevive() && !creature.isPendingRevive();
			_toClanHall = (clan != null) && (clan.getHideoutId() > 0);
			_toCastle = ((clan != null) && (clan.getCastleId() > 0)) || isInCastleDefense;
			_toOutpost = ((siegeClan != null) && !isInCastleDefense && !isInFortDefense && !siegeClan.getFlag().isEmpty());
			_useFeather = creature.getAccessLevel().allowFixedRes() || creature.getInventory().haveItemForSelfResurrection();
			_toFortress = ((clan != null) && (clan.getFortId() > 0)) || isInFortDefense;
		}
		_isSweepable = creature.isAttackable() && creature.isSweepActive();
	}
	
	public void setHideAnimation(boolean value)
	{
		_hideAnimation = value;
	}
	
	public void addItem(int itemId)
	{
		if (_items == null)
		{
			_items = new ArrayList<>(8);
		}
		
		if (_items.size() < 8)
		{
			_items.add(itemId);
		}
		else
		{
			throw new IndexOutOfBoundsException("Die packet doesn't support more then 8 items!");
		}
	}
	
	public List<Integer> getItems()
	{
		return _items != null ? _items : Collections.emptyList();
	}
	
	public void setItemsEnabled(boolean value)
	{
		_itemsEnabled = value;
	}
	
	@Override
	public boolean write(PacketWriter packet)
	{
		OutgoingPackets.DIE.writeId(packet);
		
		packet.writeD(_objectId);
		if (_activeChar.isInsideZone(ZoneId.PVP_FLAG))
		{
			packet.writeD(0);
			packet.writeD(_canTeleport ? 0x01 : 0x00);
			packet.writeD(0);
			packet.writeD(0);
			packet.writeD(0);
			packet.writeD(0);
			packet.writeD(0);
			packet.writeD(0);
		}
		else
		{
			packet.writeD(_toVillage ? 0x01 : 0x00);
			packet.writeD(_toClanHall ? 0x01 : 0x00);
			packet.writeD(_toCastle ? 0x01 : 0x00);
			packet.writeD(_toOutpost ? 0x01 : 0x00);
			packet.writeD(_isSweepable ? 0x01 : 0x00);
			packet.writeD(_useFeather ? 0x01 : 0x00);
			packet.writeD(_toFortress ? 0x01 : 0x00);
			
			packet.writeD(0x00); // Disables use Feather button for X seconds
			packet.writeD(0x00); // Adventure's Song
			packet.writeC(_hideAnimation ? 0x01 : 0x00);
			
			packet.writeD(_itemsEnabled ? 0x01 : 0x00);
			packet.writeD(getItems().size());
			getItems().forEach(packet::writeD);
		}
		return true;
		
	}
}

12 minutes ago, An4rchy said:

Show Die.java write() method so we know why it's trying to cast Monster to Player.

 

[Mobius]

These sources are old AF.

Use latest?

From what hole you dug these up?

[Drazeal]

7 minutes ago, Mobius said:

These sources are old AF.

Use latest?

From what hole you dug these up?

i know that these are old but im working on something after a year and i want to get it done before i have to move everything to the newest release (trying to include solo leveling (manga) story/game system as best as posible)

 

Edited April 9, 2022 by Drazeal