/reload したときに、getResourceAsStream がnullになるかどうかの確認

TestPlugin2.java

/*
 * @author     ucchy
 * @license    All Rights Reserved
 * @copyright  Copyright ucchy 2014
 */
package test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.bukkit.plugin.java.JavaPlugin;

/**
 * @author ucchy
 */
public class TestPlugin2 extends JavaPlugin {

    private static Class<? extends TestPlugin2> c;
    
    /**
     * @see org.bukkit.plugin.java.JavaPlugin#onEnable()
     */
    @Override
    public void onEnable() {
        
        if ( c == null ) {
            c = this.getClass();
        }
        InputStream is = c.getResourceAsStream("plugin.yml");
        BufferedReader r = new BufferedReader(new InputStreamReader(is));
        
        try {
            while ( r.ready() ) {
                System.out.println(r.readLine());
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if ( r != null ) {
                try {
                    r.close();
                } catch (IOException e) {
                    // do nothing.
                }
            }
        }
    }
}

/reload してみたけど問題ないっすね。