在“我的世界”bukkit插件中找不到主类

name: MyPlugin
main: com.example.MyPlugin

package com.example;

import org.bukkit.plugin.java.JavaPlugin;

public class MyPlugin extends JavaPlugin {
    public MyPlugin() {
        // 构造函数
    }

    @Override
    public void onEnable() {
        // 插件启动时的代码
    }

    @Override
    public void onDisable() {
        // 插件关闭时的代码
    }
}

package com.example;

import org.bukkit.plugin.java.JavaPlugin;

public class MyPlugin extends JavaPlugin {
    @Override
    public void onEnable() {
        getLogger().info("MyPlugin has been enabled!");
    }

    @Override
    public void onDisable() {
        getLogger().info("MyPlugin has been disabled!");
    }
}

name: MyPlugin
version: 1.0
main: com.example.MyPlugin
description: A simple Bukkit plugin example.