From 020876f38ef6c3f42085f0c960438e085d458582 Mon Sep 17 00:00:00 2001
From: Bukkit/Spigot <noreply+git-bukkit@papermc.io>
Date: Sat, 30 Dec 2017 07:00:16 +1100
Subject: [PATCH] SPIGOT-3723: Delegate PluginClassLoader back to parent

By: md_5 <git@md-5.net>
---
 .../java/org/bukkit/plugin/java/PluginClassLoader.java    | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/paper-api/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java b/paper-api/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
index 3be5634123..9fc6bd7721 100644
--- a/paper-api/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
+++ b/paper-api/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
@@ -116,10 +116,14 @@ final class PluginClassLoader extends URLClassLoader {
                     CodeSource source = new CodeSource(url, signers);
 
                     result = defineClass(name, classBytes, 0, classBytes.length, source);
+                }
 
+                if (result == null) {
+                    result = super.findClass(name);
+                }
+
+                if (result != null) {
                     loader.setClass(name, result);
-                } else {
-                    throw new ClassNotFoundException(name);
                 }
             }