Attempt to fix server hanging on shutdown

Server/src/main/java/core/game/system/SystemTermination.java

@@ -4,6 +4,7 @@ import core.game.ge.GrandExchangeDatabase;
 import core.game.interaction.object.dmc.DMCHandler;
 import core.game.node.entity.player.Player;
 import core.game.node.entity.player.info.login.PlayerParser;
+import rs09.Server;
 import rs09.ServerConstants;
 import rs09.game.ge.OfferManager;
 import rs09.game.system.SystemLogger;
@@ -57,6 +58,7 @@ public final class SystemTermination {
 		if (!file.isDirectory()) {
 			file.mkdirs();
 		}
+		Server.getReactor().terminate();
 		for (Iterator<Player> it = Repository.getPlayers().iterator(); it.hasNext();) {
 			try {
 				Player p = it.next();

Server/src/main/kotlin/rs09/Server.kt

@@ -40,6 +40,7 @@ object Server {
     /**
      * The NIO reactor.
      */
+    @JvmStatic
     var reactor: NioReactor? = null
 
     /**
@@ -72,7 +73,8 @@ object Server {
         Runtime.getRuntime().addShutdownHook(ServerConstants.SHUTDOWN_HOOK)
         SystemLogger.logInfo("Starting networking...")
         try {
-            NioReactor.configure(43594 + GameWorld.settings?.worldId!!).start()
+            reactor = NioReactor.configure(43594 + GameWorld.settings?.worldId!!)
+            reactor!!.start()
         } catch (e: BindException) {
             SystemLogger.logErr("Port " + (43594 + GameWorld.settings?.worldId!!) + " is already in use!")
             throw e