From 8bcefb102c8f17cebb46ad3930d1d8aaf4799654 Mon Sep 17 00:00:00 2001
From: yoyosource <yoyosource@nidido.de>
Date: Mon, 18 Jul 2022 16:19:48 +0200
Subject: [PATCH] Update ArenaCommand

---
 src/de/steamwar/bungeecore/commands/ArenaCommand.java | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/de/steamwar/bungeecore/commands/ArenaCommand.java b/src/de/steamwar/bungeecore/commands/ArenaCommand.java
index b73d6d29..83558aed 100644
--- a/src/de/steamwar/bungeecore/commands/ArenaCommand.java
+++ b/src/de/steamwar/bungeecore/commands/ArenaCommand.java
@@ -30,6 +30,7 @@ import net.md_5.bungee.api.config.ServerInfo;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
 import java.util.Collection;
+import java.util.List;
 import java.util.stream.Collectors;
 
 public class ArenaCommand extends SWCommand {
@@ -62,10 +63,10 @@ public class ArenaCommand extends SWCommand {
 
             @Override
             public Collection<String> tabCompletes(CommandSender sender, String[] previousArguments, String s) {
-                return ProxyServer.getInstance().getServersCopy().values().stream().filter(server -> {
-                    Subserver subserver = Subserver.getSubserver(server);
-                    return subserver != null && subserver.getType() == Servertype.ARENA;
-                }).map(ServerInfo::getName).collect(Collectors.toList());
+                List<Subserver> subserverList = Subserver.getServerList();
+                synchronized (subserverList) {
+                    return subserverList.stream().filter(subserver -> subserver.getType() == Servertype.ARENA).map(subserver -> subserver.getServer().getName()).collect(Collectors.toList());
+                }
             }
         };
     }