Mah codee

package me.forhavumahea.BuildCrew;

import java.util.logging.Logger;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;

public class BuildCrew extends JavaPlugin {
	Logger log = Logger.getLogger("Minecraft");
	private BuildCrewCommandExecutor myExecutor;

    public void onEnable() {

    	getServer().getPluginManager().registerEvents(this, this);
		log.info("BuildCrew Plugin enabled.");
		PluginManager pm = this.getServer().getPluginManager();

    	myExecutor = new BuildCrewCommandExecutor(this);
    	getCommand("goal").setExecutor(myExecutor);

    }
	public void onDisable(){
		log.info("BuildCrew Plugin disabled.");
	}
}

Error: "The method registerEvents(BuildCrew, BuildCrew) is undefined for the type PluginManager"