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/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index ea275587cbe06f5624b4a5d05095e6d0964ea9b9..a4e93985d2db37d1f597878cfb5069fbc7233aa4 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -1913,7 +1913,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
 
     @Override
     protected boolean isFrozen() {
-        return super.isFrozen() || !getBukkitEntity().isOnline();
+        return super.isFrozen() || (this.playerConnection != null && this.playerConnection.isDisconnected()); // Paper
     }
 
     @Override
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 406303f75b5bead76ab6b8c7f26614544f5236d8..0f1757a114278c461b149a8ec91ef3949ea2df16 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -2658,7 +2658,7 @@ 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