From 1965a544cbb4b446ce06d4667343947641ca4f8b Mon Sep 17 00:00:00 2001
From: Lixfel <agga-games@gmx.de>
Date: Sun, 29 Dec 2019 11:21:41 +0100
Subject: [PATCH] Increasing thread safety

---
 src/de/steamwar/bungeecore/Subserver.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/de/steamwar/bungeecore/Subserver.java b/src/de/steamwar/bungeecore/Subserver.java
index 79270c1..797de0c 100644
--- a/src/de/steamwar/bungeecore/Subserver.java
+++ b/src/de/steamwar/bungeecore/Subserver.java
@@ -151,7 +151,9 @@ public class Subserver implements Runnable {
             fatalError();
             Thread.currentThread().interrupt();
         } finally {
-            serverList.remove(this);
+            synchronized (serverList){
+                serverList.remove(this);
+            }
             ProxyServer.getInstance().getServers().remove(serverName);
             shutdownCallback.run();
         }