我的 Bukkit 插件命令抛出异常

Question

当我运行我的 Bukkit 插件命令总是抛出异常。

当我输入命令时：/config set（它应该将信息保存到 file/config），我在聊天中收到此错误：

An internal error occurred while attemping to perform this command.

为什么会这样？

控制台日志：

[13:23:24 INFO]: whispereq issued server command: /config set
[13:23:24 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'config' in plugin registyPlayer v1.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:175) ~[src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:683) ~[src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:952) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1
        at whispereq.saver.onCommand(saver.java:14) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[src.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
        ... 13 more

我的代码来自 saver class:

package whispereq;
import org.bukkit.Bukkit;
import org.bukkit.GameMode;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

public class saver implements CommandExecutor {
    @Override
    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
        if (cmd.getName().equalsIgnoreCase("config")) {
            if (sender instanceof Player) {
                if (args.length == 1) {
                    if (args[1].equalsIgnoreCase("set")) {
                        sender.sendMessage("§6Registering player§c " + args[0] + "§6 to Server....");
                        Player p = (Player) sender;
                        String nick = p.getName().toLowerCase();
                        String uid = p.getUniqueId().toString();
                        boolean op = p.isOp();
                        GameMode gm = p.getGameMode();
                        GameMode dgm = Bukkit.getDefaultGameMode();
                        float exp = p.getExp();
                        float explvl = p.getExpToLevel();
                        Main.getInst().getConfig().set("players." + nick + ".uuid", uid);
                        Main.getInst().getConfig().set("players." + nick + ".isOpped", op);
                        Main.getInst().getConfig().set("players." + nick + ".CurrentGameMode", gm);
                        Main.getInst().getConfig().set("players." + nick + ".DefaultGameMode", dgm);
                        Main.getInst().getConfig().set("players." + nick + ".Exp", exp);
                        Main.getInst().getConfig().set("players." + nick + ".ExpLevel", explvl);
                        Main.getInst().saveConfig();
                        sender.sendMessage("§6Finished!, yours Current in-game Status was SUccesfully registered to the config.yml File in Plugin's Directory. use  §c/registy getMe§6 to view your Property.");
                        return true;
                    } else if (args[1].equalsIgnoreCase("get")) {
                        Player p = (Player) sender;
                        String nick = p.getName().toLowerCase();
                        if (Main.getInst().getConfig().get("players." + nick) != null) {
                            p.sendMessage("§8_____________________________________________________");
                            p.sendMessage(Main.getInst().getConfig().getString("players." + nick + ".uuid"));
                            p.sendMessage(Main.getInst().getConfig().getString("players." + nick + ".isOpped"));
                            p.sendMessage(Main.getInst().getConfig().getString("players." + nick + ".CurrentGameMode"));
                            p.sendMessage(Main.getInst().getConfig().getString("players." + nick + ".DefaultGameMode"));
                            p.sendMessage(Main.getInst().getConfig().getString("players." + nick + ".Exp"));
                            p.sendMessage(Main.getInst().getConfig().getString("players." + nick + "ExpLevel"));
                            p.sendMessage("§8_____________________________________________________");
                        }
                    }
                }
            }
        }
        return false;
    }
}

Main class:

package whispereq;

import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin {
    public static Main instance;

    public void onEnable() {
        instance = this;
        System.out.println("Loading RegistyPlayer ..");
        getCommand("config").setExecutor(new saver());
        saveDefaultConfig();
    }

    public static Main getInst() {
        return instance;
    }
}

配置文件（空）：

#-----------------------------------------------------------#

plugin.yml:

name: registyPlayer
version: 1.0
main: whispereq.Main
commands:
  config:

Craftbukkit：1.7.2 R03

布基特 API：1.7.2 R03

服务器 Craftbukkit：1.7.2 R03

Answer 1

数组总是从索引 0 开始。因此，要访问播放器指定的是 "get" 还是 "set"，您应该替换

args[1].equalsIgnoreCase("set")
args[1].equalsIgnoreCase("get")

和

args[0].equalsIgnoreCase("set")
args[0].equalsIgnoreCase("get")

另外，不确定你在用这条线做什么

 sender.sendMessage("§6Registering player§c " + args[0] + "§6 to Server....");

args[0] 指的是 "get" 或 "set"。据推测，您应该将其替换为 "nick" 并在

之后插入该行

String nick = p.getName().toLowerCase();

我的 Bukkit 插件命令抛出异常

My Bukkit plugin command throws an exception

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minecraft