Bungge Error

package net.redgame;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;

import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.Sign;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.craftbukkit.v1_9_R1.entity.CraftPlayer;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.plugin.messaging.PluginMessageListener;

import com.google.common.io.ByteArrayDataOutput;
import com.google.common.io.ByteStreams;

import net.redgame.sign.Create;
import net.redgame.sign.Delete;

public class Main extends JavaPlugin implements Listener, PluginMessageListener {

    @Override
    public void onEnable() {
        this.getServer().getMessenger().registerOutgoingPluginChannel(this, "BungeeCord");
        this.getServer().getMessenger().registerIncomingPluginChannel(this, "BungeeCord", this);

        this.getServer().getMessenger().registerOutgoingPluginChannel(this, "InfoP");
        this.getServer().getMessenger().registerIncomingPluginChannel(this, "InfoP", this);

        PluginManager pm = Bukkit.getServer().getPluginManager();
        pm.registerEvents(this, this);
        pm.registerEvents(new Create(this), this);
        pm.registerEvents(new Delete(this), this);

        System.out.println("RedGame > enabled");
    }

    public void onDisable(){
        System.out.println("RedGame > disabled");
    }

    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
        Player p = (Player) sender;

        if(label.equalsIgnoreCase("lobby")) {
            p.sendMessage("cpicpou");
            ByteArrayDataOutput out = ByteStreams.newDataOutput();
            out.writeUTF("Connect");
            out.writeUTF("serverB");

            p.sendPluginMessage(Bukkit.getPluginManager().getPlugin("RedGame"), "BungeeCord", out.toByteArray());
        }

        if(label.equalsIgnoreCase("testt")) {
            p.sendMessage(((CraftPlayer) p).getHandle().ping+"");

            ByteArrayOutputStream b = new ByteArrayOutputStream();
            DataOutputStream out = new DataOutputStream(b);
            try{
                out.writeUTF("subchannel");
                p.sendMessage("sending...");
                p.sendPluginMessage(this, "InfoP", b.toByteArray());
                p.sendMessage("sent!");
            } catch(Exception e){
                e.printStackTrace();
            }

        }

        return false;
    }

    @EventHandler
    public void onPlayerInteract(PlayerInteractEvent e) {
        Player p = (Player) e.getPlayer();

        if(e.getAction() == Action.RIGHT_CLICK_BLOCK) {
            Block b = e.getClickedBlock();
            if(b.getType() == Material.SIGN || b.getType() == Material.SIGN_POST || b.getType() == Material.WALL_SIGN) {
                Sign s = (Sign) b.getState();
                String[] lines = s.getLines();

                if(lines[1].equals("§9[Join]")) {
                    Location loc = e.getClickedBlock().getLocation();
                    String path = getConfig().getString(loc.getBlockX()+"_"+loc.getBlockY()+"_"+loc.getBlockZ()+".server");

                    ByteArrayDataOutput out = ByteStreams.newDataOutput();
                    out.writeUTF("Connect");
                    out.writeUTF(path);

                    p.sendPluginMessage(this, "BungeeCord", out.toByteArray());
                }
            }
        }
    }

    @Override
    public void onPluginMessageReceived(String channel, Player p, byte[] message) {
        DataInputStream in = new DataInputStream(new ByteArrayInputStream(message));
        p.sendMessage("received");
        try{
            String msg = in.readUTF();
            Bukkit.broadcastMessage(msg);
        } catch(Exception e){
            e.printStackTrace();
        }
    }
}