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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 12 Aug 2018 02:33:39 -0400
Subject: [PATCH] Use a Queue for Queueing Commands

Lists are bad as Queues mmmkay.

diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 0944d339c76b09f183b3a1e191955300fc24cd97..b23905e5d2d1e8300c710df2aeb370fd4af8ac76 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -74,7 +74,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
     static final Logger LOGGER = LogUtils.getLogger();
     private static final int CONVERSION_RETRY_DELAY_MS = 5000;
     private static final int CONVERSION_RETRIES = 2;
-    private final List<ConsoleInput> consoleInput = Collections.synchronizedList(Lists.newArrayList());
+    private final java.util.Queue<ConsoleInput> serverCommandQueue = new java.util.concurrent.ConcurrentLinkedQueue<>(); // Paper - use a proper queuemmands
     @Nullable
     private QueryThreadGs4 queryThreadGs4;
     public final RconConsoleSource rconConsoleSource;
@@ -446,13 +446,15 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
             return;
         }
         // Paper end - rewrite chunk system
-        this.consoleInput.add(new ConsoleInput(command, commandSource));
+        this.serverCommandQueue.add(new ConsoleInput(command, commandSource)); // Paper - use proper queue
     }
 
     public void handleConsoleInputs() {
         MinecraftTimings.serverCommandTimer.startTiming(); // Spigot
-        while (!this.consoleInput.isEmpty()) {
-            ConsoleInput servercommand = (ConsoleInput) this.consoleInput.remove(0);
+        // Paper start - use proper queue
+        ConsoleInput servercommand;
+        while ((servercommand = this.serverCommandQueue.poll()) != null) {
+            // Paper end
 
             // CraftBukkit start - ServerCommand for preprocessing
             ServerCommandEvent event = new ServerCommandEvent(console, servercommand.msg);