Использование нескольких классов для команд в Bukkit?

Question

Недавно я запустил плагин Bukkit, и у меня проблемы с использованием двух классов (main и CommandExecutor). Я пробовал все, но когда я загружаю свой плагин, он выдает ошибку, которая находится в конце сообщения.

Main (называется ekits.java):

package me.mucapapipa.ekits; 

import org.bukkit.Bukkit; 
import org.bukkit.ChatColor; 
import org.bukkit.event.EventHandler; 
import org.bukkit.event.Listener; 
import org.bukkit.event.player.PlayerJoinEvent; 
import org.bukkit.plugin.java.JavaPlugin; 

public class ekits extends JavaPlugin implements Listener { 


@Override 
public void onEnable() { 
    System.out.println("Main plugin enabled"); 
    getCommand("pvp").setExecutor(new NormalPlayer(this)); 
    getServer().getPluginManager().registerEvents(this, this); 
} 
@Override 
public void onDisable() { 
    System.out.println("Main plugin disabled"); 
} 


} 

CommandExecutor (так называемый NormalPlayer):

package me.mucapapipa.ekits; 

import org.bukkit.ChatColor; 
import org.bukkit.Material; 
import org.bukkit.command.Command; 
import org.bukkit.command.CommandExecutor; 
import org.bukkit.command.CommandSender; 
import org.bukkit.entity.Player; 
import org.bukkit.inventory.ItemStack; 
import org.bukkit.plugin.java.JavaPlugin; 

public class NormalPlayer extends JavaPlugin implements CommandExecutor { 

@SuppressWarnings("unused") 
private ekits core; 
public NormalPlayer(ekits core) { 
     this.core = core; 
} 

private String kit; 

public boolean onCommand(CommandSender sender, Command cmd, String CommandLabel, String[] args) { 

    if (sender instanceof Player) { 
     Player player = (Player) sender; 
     if (cmd.getName().equalsIgnoreCase("pvp")) { 
      kit = "PvP"; 
      player.getInventory().clear(); 
      player.getInventory().addItem(new ItemStack(Material.DIAMOND_SWORD)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      player.getInventory().addItem(new ItemStack(Material.MUSHROOM_SOUP)); 
      /* We then set the armor */ 
      player.getInventory().setBoots(new ItemStack(Material.IRON_BOOTS)); 
      player.getInventory().setHelmet(new ItemStack(Material.IRON_HELMET)); 
      player.getInventory().setLeggings(new ItemStack(Material.IRON_LEGGINGS)); 
      player.getInventory().setChestplate(new ItemStack(Material.IRON_CHESTPLATE)); 

      player.sendMessage(ChatColor.GRAY + "~ " + ChatColor.AQUA + "Kit: " + kit); 
     } 
     else { 
      sender.sendMessage("The console should not play. It would be so OP."); 
     } 
    } 

    return true; } 
} 

plugin.yml:

name: EKits 
author: Mucapapipa 
main: me.mucapapipa.ekits.ekits 
version: 1.0 
description: The server's main plugin. 

commands: 
    pvp: 
    usage: /<command> 
    aliases: [kitpvp] 
    description: Uses the kit PvP. 

Ошибка:

[19:19:01 ERROR]: Error occurred while enabling EKits v1.0 (Is it up to date?) java.lang.IllegalArgumentException: Plugin already initialized! at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:98) ~[craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.plugin.java.JavaPlugin.(JavaPlugin.java:66) ~[craftbukkit.jar:git-Bukkit-7019900] at me.mucapapipa.ekits.NormalPlayer.(NormalPlayer.java:16) ~[?:?] at me.mucapapipa.ekits.ekits.onEnable(ekits.java:16) ~[?:?] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:327) [craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:404) [craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.craftbukkit.v1_8_R1.CraftServer.loadPlugin(CraftServer.java:341) [craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.craftbukkit.v1_8_R1.CraftServer.enablePlugins(CraftServer.java:313) [craftbukkit.jar:git-Bukkit-7019900] at net.minecraft.server.v1_8_R1.MinecraftServer.q(MinecraftServer.java:394) [craftbukkit.jar:git-Bukkit-7019900] at net.minecraft.server.v1_8_R1.MinecraftServer.k(MinecraftServer.java:362) [craftbukkit.jar:git-Bukkit-7019900] at net.minecraft.server.v1_8_R1.MinecraftServer.a(MinecraftServer.java:317) [craftbukkit.jar:git-Bukkit-7019900] at net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:190) [craftbukkit.jar:git-Bukkit-7019900] at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:484) [craftbukkit.jar:git-Bukkit-7019900] at java.lang.Thread.run(Unknown Source) [?:1.8.0_101] Caused by: java.lang.IllegalStateException: Initial initialization at org.bukkit.plugin.java.PluginClassLoader.initialize(PluginClassLoader.java:101) ~[craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.plugin.java.JavaPlugin.(JavaPlugin.java:66) ~[craftbukkit.jar:git-Bukkit-7019900] at me.mucapapipa.ekits.ekits.(ekits.java:10) ~[?:?] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_101] at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_101] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_101] at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_101] at java.lang.Class.newInstance(Unknown Source) ~[?:1.8.0_101] at org.bukkit.plugin.java.PluginClassLoader.(PluginClassLoader.java:52) ~[craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:328) ~[craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) ~[craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.craftbukkit.v1_8_R1.CraftServer.loadPlugins(CraftServer.java:288) ~[craftbukkit.jar:git-Bukkit-7019900] at org.bukkit.craftbukkit.v1_8_R1.CraftServer.(CraftServer.java:250) ~[craftbukkit.jar:git-Bukkit-7019900] at net.minecraft.server.v1_8_R1.PlayerList.(PlayerList.java:69) ~[craftbukkit.jar:git-Bukkit-7019900] at net.minecraft.server.v1_8_R1.DedicatedPlayerList.(SourceFile:14) ~[craftbukkit.jar:git-Bukkit-7019900] at net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:133) ~[craftbukkit.jar:git-Bukkit-7019900] ... 2 more

Answer 1

public class NormalPlayer extends JavaPlugin implements CommandExecutor

Почему ваш исполнитель команды расширяет основной класс плагина? Именно это вызывает двойной инициализации и удаление этого суперкласса, вероятно, исправит код.