Fix CheckpointUtilsJ9

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

@@ -19,8 +19,8 @@
 
 package de.steamwar.core;
 
-import de.steamwar.Reflection;
 import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.Reflection;
 import de.steamwar.sql.internal.Statement;
 import io.netty.channel.ChannelFuture;
 import org.bukkit.Bukkit;
@@ -143,7 +143,6 @@ class CheckpointUtilsJ9 {
         }
 
         Bukkit.getPluginManager().callEvent(new CRIUWakeupEvent());
-        Thread.sleep(300);
         Core.getInstance().getLogger().log(Level.INFO, "Checkpoint restored");
     }
 }

VelocityCore/Persistent/src/de/steamwar/persistent/Subserver.java

@@ -221,6 +221,7 @@ public class Subserver {
             if (checkpoint) {
                 start(process.getErrorStream(), line -> line.contains("Restore finished successfully."));
                 start(process.getInputStream(), line -> line.contains("Checkpoint restored"));
+                Thread.sleep(100);
             } else {
                 start(process.getInputStream(), line -> {
                     if (line.contains("Loading libraries, please wait"))