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[1.19.2] Duplicate Capability Key


Darkorg69

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I have some problems making a Capability work.

Upon joining a world this happens:

Capture.png

Console says:

Spoiler
[03:57:02] [Server thread/ERROR] [ne.mi.ev.EventBus/EVENTBUS]: Exception caught during firing event: Duplicate Capability Key: levelup:playerclass darkorg.levelup.capability.PlayerClassProvider@7ed5e585
	Index: 2
	Listeners:
		0: NORMAL
		1: ASM: darkorg.levelup.event.CapabilityEvents@5752e08e onAttachCapabilities(Lnet/minecraftforge/event/AttachCapabilitiesEvent;)V
		2: ASM: darkorg.levelup.event.CapabilityEvents@33e25462 onAttachCapabilities(Lnet/minecraftforge/event/AttachCapabilitiesEvent;)V
		3: ASM: darkorg.levelup.event.CapabilityEvents@115c5e72 onAttachCapabilities(Lnet/minecraftforge/event/AttachCapabilitiesEvent;)V
		4: ASM: darkorg.levelup.event.CapabilityEvents@76cc5f97 onAttachCapabilities(Lnet/minecraftforge/event/AttachCapabilitiesEvent;)V
		5: ASM: darkorg.levelup.event.CapabilityEvents@2104cf21 onAttachCapabilities(Lnet/minecraftforge/event/AttachCapabilitiesEvent;)V
java.lang.IllegalStateException: Duplicate Capability Key: levelup:playerclass darkorg.levelup.capability.PlayerClassProvider@7ed5e585
	at TRANSFORMER/[email protected]/net.minecraftforge.event.AttachCapabilitiesEvent.addCapability(AttachCapabilitiesEvent.java:57)
	at TRANSFORMER/[email protected]/darkorg.levelup.event.CapabilityEvents.onAttachCapabilities(CapabilityEvents.java:22)
	at TRANSFORMER/[email protected]/darkorg.levelup.event.__CapabilityEvents_onAttachCapabilities_AttachCapabilitiesEvent.invoke(.dynamic)
	at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73)
	at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.EventBus.post(EventBus.java:315)
	at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.EventBus.post(EventBus.java:296)
	at TRANSFORMER/[email protected]/net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:510)
	at TRANSFORMER/[email protected]/net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:504)
	at TRANSFORMER/[email protected]/net.minecraftforge.common.capabilities.CapabilityProvider.doGatherCapabilities(CapabilityProvider.java:72)
	at TRANSFORMER/[email protected]/net.minecraftforge.common.capabilities.CapabilityProvider.gatherCapabilities(CapabilityProvider.java:67)
	at TRANSFORMER/[email protected]/net.minecraftforge.common.capabilities.CapabilityProvider.gatherCapabilities(CapabilityProvider.java:51)
	at TRANSFORMER/[email protected]/net.minecraft.world.entity.Entity.<init>(Entity.java:260)
	at TRANSFORMER/[email protected]/net.minecraft.world.entity.LivingEntity.<init>(LivingEntity.java:236)
	at TRANSFORMER/[email protected]/net.minecraft.world.entity.player.Player.<init>(Player.java:179)
	at TRANSFORMER/[email protected]/net.minecraft.server.level.ServerPlayer.<init>(ServerPlayer.java:246)
	at TRANSFORMER/[email protected]/net.minecraft.server.players.PlayerList.getPlayerForLogin(PlayerList.java:417)
	at TRANSFORMER/[email protected]/net.minecraft.server.network.ServerLoginPacketListenerImpl.handleAcceptedLogin(ServerLoginPacketListenerImpl.java:142)
	at TRANSFORMER/[email protected]/net.minecraft.server.network.ServerLoginPacketListenerImpl.tick(ServerLoginPacketListenerImpl.java:76)
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection.tick(Connection.java:274)
	at TRANSFORMER/[email protected]/net.minecraft.server.network.ServerConnectionListener.tick(ServerConnectionListener.java:160)
	at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:910)
	at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:836)
	at TRANSFORMER/[email protected]/net.minecraft.client.server.IntegratedServer.tickServer(IntegratedServer.java:90)
	at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:672)
	at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:244)
	at java.base/java.lang.Thread.run(Thread.java:833)

[03:57:02] [Server thread/ERROR] [minecraft/ServerLoginPacketListenerImpl]: Couldn't place player in world
java.lang.IllegalStateException: Duplicate Capability Key: levelup:playerclass darkorg.levelup.capability.PlayerClassProvider@7ed5e585
	at net.minecraftforge.event.AttachCapabilitiesEvent.addCapability(AttachCapabilitiesEvent.java:57) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23182%23189!/:?] {re:classloading,pl:eventbus:A}
	at darkorg.levelup.event.CapabilityEvents.onAttachCapabilities(CapabilityEvents.java:22) ~[%23188!/:?] {re:classloading}
	at darkorg.levelup.event.__CapabilityEvents_onAttachCapabilities_AttachCapabilitiesEvent.invoke(.dynamic) ~[%23188!/:?] {re:classloading,pl:eventbus:B}
	at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) ~[eventbus-6.0.3.jar%23107!/:?] {}
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.3.jar%23107!/:?] {}
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.3.jar%23107!/:?] {}
	at net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:510) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23182%23189!/:?] {re:classloading}
	at net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:504) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23182%23189!/:?] {re:classloading}
	at net.minecraftforge.common.capabilities.CapabilityProvider.doGatherCapabilities(CapabilityProvider.java:72) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23182%23189!/:?] {re:classloading}
	at net.minecraftforge.common.capabilities.CapabilityProvider.gatherCapabilities(CapabilityProvider.java:67) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23182%23189!/:?] {re:classloading}
	at net.minecraftforge.common.capabilities.CapabilityProvider.gatherCapabilities(CapabilityProvider.java:51) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23182%23189!/:?] {re:classloading}
	at net.minecraft.world.entity.Entity.<init>(Entity.java:260) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.world.entity.LivingEntity.<init>(LivingEntity.java:236) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading}
	at net.minecraft.world.entity.player.Player.<init>(Player.java:179) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.level.ServerPlayer.<init>(ServerPlayer.java:246) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.players.PlayerList.getPlayerForLogin(PlayerList.java:417) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading}
	at net.minecraft.server.network.ServerLoginPacketListenerImpl.handleAcceptedLogin(ServerLoginPacketListenerImpl.java:142) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.network.ServerLoginPacketListenerImpl.tick(ServerLoginPacketListenerImpl.java:76) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.network.Connection.tick(Connection.java:274) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading}
	at net.minecraft.server.network.ServerConnectionListener.tick(ServerConnectionListener.java:160) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading}
	at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:910) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:836) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.client.server.IntegratedServer.tickServer(IntegratedServer.java:90) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:672) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:244) ~[forge-1.19.2-43.1.3_mapped_parchment_2022.08.14-1.19.2-recomp.jar%23183!/:?] {re:classloading,pl:accesstransformer:B}
	at java.lang.Thread.run(Thread.java:833) [?:?] {}

 

This is my Capability class:

Spoiler
@AutoRegisterCapability
public class PlayerClassCapability implements IPlayerClassCapability {
    IPlayerClass playerClass;

    @Override
    public IPlayerClass getPlayerClass() {
        return this.playerClass;
    }

    @Override
    public void setPlayerClass(IPlayerClass pPlayerClass) {
        this.playerClass = pPlayerClass;
    }

    @Override
    public void resetPlayerClass() {
        this.playerClass = null;
    }

    @Override
    public void saveNBTData(@NotNull CompoundTag nbt) {
        if (this.playerClass != null) {
            nbt.putString("descriptionId", playerClass.getName());
            nbt.putBoolean("isActive", playerClass.isActive());
        }
    }

    @Override
    public void readNBTData(@NotNull CompoundTag nbt) {
        playerClass = PlayerClassUtil.getClassFromString(nbt.getString("pClass"));
        if (playerClass != null) {
            playerClass.setActive(nbt.getBoolean("isActive"));
        }
    }
}

 

This is my CapabilityProvider:

Spoiler
public class PlayerClassProvider implements ICapabilitySerializable<CompoundTag> {
    public static Capability<PlayerClassCapability> PLAYER_CLASS = CapabilityManager.get(new CapabilityToken<>() {
    });

    private PlayerClassCapability playerClassCapability = null;
    private final LazyOptional<PlayerClassCapability> optional = LazyOptional.of(this::createPlayerClass);

    private PlayerClassCapability createPlayerClass() {
        if (this.playerClassCapability == null) {
            this.playerClassCapability = new PlayerClassCapability();
        }
        return this.playerClassCapability;
    }

    @Override
    public @NotNull <T> LazyOptional<T> getCapability(@NotNull Capability<T> cap, @Nullable Direction side) {
        if (cap == PLAYER_CLASS) {
            return optional.cast();
        }
        return LazyOptional.empty();
    }

    @Override
    public CompoundTag serializeNBT() {
        CompoundTag nbt = new CompoundTag();
        createPlayerClass().saveNBTData(nbt);
        return nbt;
    }

    @Override
    public void deserializeNBT(CompoundTag nbt) {
        createPlayerClass().readNBTData(nbt);
    }
}

 

AttachCapabilities event:

Spoiler
        @SubscribeEvent
        public void onAttachCapabilities(@NotNull AttachCapabilitiesEvent<Entity> event) {
            if (event.getObject() instanceof Player player) {
                if (!player.getCapability(PlayerClassProvider.PLAYER_CLASS).isPresent()) {
                    event.addCapability(new ResourceLocation(LevelUp.MOD_ID, "playerclass"), new PlayerClassProvider());
                }
            }
        }

 

Edited by Darkorg69
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