From ef440adcb9e263901028407fe1ad0d2e02f2435c 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 e77307c35..4d761d32a 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -741,6 +741,14 @@ 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();
-- 
2.12.2