Add debug output to TinyProtocol

SpigotCore/SpigotCore_Main/src/com/comphenix/tinyprotocol/TinyProtocol.java

@@ -423,6 +423,7 @@ public class TinyProtocol {
      */
     public final void close() {
         if (!closed) {
+            System.out.println("Close TinyProtocol");
             closed = true;
 
             // Remove our handlers

SpigotCore/SpigotCore_Main/src/de/steamwar/core/CheckpointUtilsJ9.java

@@ -24,7 +24,6 @@ import de.steamwar.Reflection;
 import de.steamwar.sql.internal.Statement;
 import io.netty.channel.ChannelFuture;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.server.network.ServerConnectionListener;
 import org.bukkit.Bukkit;
 import org.bukkit.craftbukkit.CraftWorld;
@@ -112,7 +111,6 @@ class CheckpointUtilsJ9 {
         ServerConnectionListener serverConnection = MinecraftServer.getServer().getConnection();
         List<?> channels = channelFutures.get(serverConnection);
         for (Object future : channels) {
-            System.out.println(((ChannelFuture) future).channel() + ": " + ((ChannelFuture) future).channel().pipeline().names());
             ((ChannelFuture) future).channel().close().syncUninterruptibly();
         }
         channels.clear();
@@ -148,15 +146,10 @@ class CheckpointUtilsJ9 {
         // Reopen socket
         serverConnection.startTcpServerListener(InetAddress.getLoopbackAddress(), port);
         for (Object future : channels) {
-            System.out.println(((ChannelFuture) future).channel() + ": " + ((ChannelFuture) future).channel().pipeline().names());
             ((ChannelFuture) future).channel().config().setAutoRead(true);
         }
 
         Bukkit.getPluginManager().callEvent(new CRIUWakeupEvent());
         Core.getInstance().getLogger().log(Level.INFO, "Checkpoint restored");
-
-        for (ServerPlayer player : MinecraftServer.getServer().getPlayerList().players) {
-            System.out.println(player);
-        }
     }
 }