From 0af0d6c5f9da52e0366ab4c85748c4c3999a794a Mon Sep 17 00:00:00 2001
From: Lixfel <agga-games@gmx.de>
Date: Sat, 11 Mar 2023 17:12:45 +0100
Subject: [PATCH] Fix rare TinyProtocol issues

---
 .../src/com/comphenix/tinyprotocol/TinyProtocol.java         | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/SpigotCore_Main/src/com/comphenix/tinyprotocol/TinyProtocol.java b/SpigotCore_Main/src/com/comphenix/tinyprotocol/TinyProtocol.java
index b1bbb00..7957a0f 100644
--- a/SpigotCore_Main/src/com/comphenix/tinyprotocol/TinyProtocol.java
+++ b/SpigotCore_Main/src/com/comphenix/tinyprotocol/TinyProtocol.java
@@ -80,7 +80,7 @@ public class TinyProtocol implements Listener {
 	}
 
 	public void addFilter(Class<?> packetType, BiFunction<Player, Object, Object> filter) {
-		packetFilters.computeIfAbsent(packetType, c -> new ArrayList<>(1)).add(filter);
+		packetFilters.computeIfAbsent(packetType, c -> Collections.synchronizedList(new ArrayList<>(1))).add(filter);
 	}
 
 	public void removeFilter(Class<?> packetType, BiFunction<Player, Object, Object> filter) {
@@ -128,6 +128,9 @@ public class TinyProtocol implements Listener {
 				return new SecurityException("Could not find channel for player " + player.getName());
 			}));
 
+			if(!channel.isActive())
+				return;
+
 			synchronized (playerInterceptors) {
 				playerInterceptors.put(player, this);
 			}
-- 
2.39.2