PaperMC/Spigot-API-Patches/0104-Close-Plugin-Class-Loaders-on-Disable.patch

From e4a7a489ad86b9da9571249c189003c39be8bc9d Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 1 May 2018 21:33:35 -0400
Subject: [PATCH] Close Plugin Class Loaders on Disable

This should close more memory leaks from /reload and disabling plugins,
by closing the class loader and the jar file.

diff --git a/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java b/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
index 40fd71dc..1ea695d5 100644
--- a/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
+++ b/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
@@ -355,6 +355,14 @@ public final class JavaPluginLoader implements PluginLoader {
                 for (String name : names) {
                     removeClass(name);
                 }
+                // Paper start - close Class Loader on disable
+                try {
+                    loader.close();
+                } catch (IOException e) {
+                    server.getLogger().log(Level.WARNING, "Error closing the Plugin Class Loader for " + plugin.getDescription().getFullName());
+                    e.printStackTrace();
+                }
+                // Paper end
             }
         }
     }
-- 
2.17.0