Hilfe

Konsole:

[19:52:04 INFO]: Turboman3000 issued server command: /test
[19:52:04 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'test' in plugin Test v1.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) ~[spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_161]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_161]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_161]
Caused by: java.lang.IllegalArgumentException: Cannot make player fly if getAllowFlight() is false
        at org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer.setFlying(CraftPlayer.java:1146) ~[spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        at de.turbocrew.api.game.spectator.Toggle(spectator.java:42) ~[?:?]
        at de.turbocrew.test.main.onCommand(main.java:23) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot_1.8.8.jar:git-Spigot-db6de12-18fbb24]
        ... 15 more

Code:

package de.turbocrew.api.game;

import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;

import de.turbocrew.api.player.PlayerName;

public class spectator implements Listener {

    //BackToLobby Item
    public static ItemStack BackToLobbyItem = new ItemStack(Material.BED);
    public static ItemMeta BackToLobbyItemMETA = BackToLobbyItem.getItemMeta();

    //Player Item
    public static ItemStack PlayerItem = new ItemStack(Material.COMPASS);
    public static ItemMeta PlayerMETA = BackToLobbyItem.getItemMeta();

    public static void Toggle(Player player) {
        BackToLobbyItemMETA.setDisplayName("§cZurück zur Lobby");
        BackToLobbyItemMETA.spigot().setUnbreakable(true);
        BackToLobbyItem.setItemMeta(BackToLobbyItemMETA);

        PlayerMETA.setDisplayName("§6Spieler");
        PlayerMETA.spigot().setUnbreakable(true);
        PlayerItem.setItemMeta(PlayerMETA);

        player.setCanPickupItems(false);
        player.setAllowFlight(true);
        player.setFlying(true);
        player.addPotionEffect(new PotionEffect(PotionEffectType.INVISIBILITY, 99999, 255));
        player.getInventory().setItem(8, BackToLobbyItem);
        player.getInventory().setItem(4, PlayerItem);
        PlayerName.ResetNickName(player);
    }

    @EventHandler
    public void onPlayerUse(PlayerInteractEvent event){
        Player p = event.getPlayer();

        if(p.getItemInHand() == BackToLobbyItem){
            if(BackToLobbyItem.getItemMeta().getDisplayName() == "§cZurück zur Lobby") {
                p.sendMessage("TEST!!!");
                event.setCancelled(true);
            }
        }

        if(p.getItemInHand() == PlayerItem){
            if(BackToLobbyItem.getItemMeta().getDisplayName() == "§6Spieler") {
                p.sendMessage("TEST!!!");
                event.setCancelled(true);
            }
        }
    }
}