From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Alfie Cleveland <alfeh@me.com>
Date: Tue, 27 Dec 2016 01:57:57 +0000
Subject: [PATCH] Properly fix item duplication bug

Credit to prplz for figuring out the real issue

diff --git a/src/main/java/net/minecraft/server/level/EntityPlayer.java b/src/main/java/net/minecraft/server/level/EntityPlayer.java
index e6dacf68cd678d64547dcdc23b1175a4cfd279d1..5b2ae94ed7d499e401a058691eb6ed413b626150 100644
--- a/src/main/java/net/minecraft/server/level/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/level/EntityPlayer.java
@@ -2069,8 +2069,8 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
     }
 
     @Override
-    public boolean isFrozen() {
-        return super.isFrozen() || !getBukkitEntity().isOnline();
+    protected boolean isFrozen() {
+        return super.isFrozen() || (this.playerConnection != null && this.playerConnection.isDisconnected()); // Paper
     }
 
     @Override
diff --git a/src/main/java/net/minecraft/server/network/PlayerConnection.java b/src/main/java/net/minecraft/server/network/PlayerConnection.java
index 15daf87d6a6d80b5ebce5360e6999fd604c66cb5..d507d050f9a1ebd65383adb2b21699a01d9b0385 100644
--- a/src/main/java/net/minecraft/server/network/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/network/PlayerConnection.java
@@ -2820,7 +2820,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
     }
 
     public final boolean isDisconnected() {
-        return !this.player.joining && !this.networkManager.isConnected();
+        return (!this.player.joining && !this.networkManager.isConnected()) || this.processedDisconnect; // Paper
     }
     // CraftBukkit end