From 18660b67f133ee9c2afc344d0344208bb10082b6 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 c3c4803..3661821 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -740,6 +740,14 @@ 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();
-- 
2.9.3