From 6a0d65b570ee34d0e746dbc30baf0aef76809944 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 18 Mar 2016 13:50:14 -0400
Subject: [PATCH] Remove Metadata on reload

Metadata is not meant to persist reload as things break badly with non primitive types
This will remove metadata on reload so it does not crash everything if a plugin uses it.

diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 29244e1..9ed9fbb 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -729,6 +729,14 @@ public final class CraftServer implements Server {
             world.paperConfig.init(); // Paper
         }
 
+        // Paper start
+        for (Plugin plugin : pluginManager.getPlugins()) {
+            entityMetadata.removeAll(plugin);
+            worldMetadata.removeAll(plugin);
+            playerMetadata.removeAll(plugin);
+        }
+        // Paper end
+
         pluginManager.clearPlugins();
         commandMap.clearCommands();
         resetRecipes();
-- 
2.8.0