PaperMC/Spigot-Server-Patches/0206-Flag-to-disable-the-channel-limit.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sat, 31 Mar 2018 17:04:26 +0100
Subject: [PATCH] Flag to disable the channel limit

In some enviroments, the channel limit set by spigot can cause issues,
e.g. servers which allow and support the usage of mod packs.

provide an optional flag to disable this check, at your own risk.

diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index cddba4763f11ad51807693a07484511c473ffadf..785682d7b932693ff0c437563c9f53f32136e75e 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -141,6 +141,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     // Paper start
     private org.bukkit.event.player.PlayerResourcePackStatusEvent.Status resourcePackStatus;
     private String resourcePackHash;
+    private static final boolean DISABLE_CHANNEL_LIMIT = System.getProperty("paper.disableChannelLimit") != null; // Paper - add a flag to disable the channel limit
     // Paper end
 
     public CraftPlayer(CraftServer server, EntityPlayer entity) {
@@ -1576,7 +1577,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     }
 
     public void addChannel(String channel) {
-        Preconditions.checkState(channels.size() < 128, "Cannot register channel '%s'. Too many channels registered!", channel);
+        Preconditions.checkState(DISABLE_CHANNEL_LIMIT || channels.size() < 128, "Cannot register channel '%s'. Too many channels registered!", channel); // Paper - flag to disable channel limit
         channel = StandardMessenger.validateAndCorrectChannel(channel);
         if (channels.add(channel)) {
             server.getPluginManager().callEvent(new PlayerRegisterChannelEvent(this, channel));