PaperMC/patches/api/0240-Enable-multi-release-plugin-jars.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Kyle Wood <kyle@denwav.dev>
Date: Fri, 4 Dec 2020 15:53:19 -0800
Subject: [PATCH] Enable multi-release plugin jars


diff --git a/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java b/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
index 9e14c95deaca0044a3e9284ceefbb2b5c54ede07..c4ffe80bc7b4903eb8b8b2dbb18b5ff2d9877508 100644
--- a/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
+++ b/src/main/java/org/bukkit/plugin/java/PluginClassLoader.java
@@ -58,7 +58,7 @@ public final class PluginClassLoader extends URLClassLoader { // Spigot
         this.description = description;
         this.dataFolder = dataFolder;
         this.file = file;
-        this.jar = new JarFile(file);
+        this.jar = new JarFile(file, true, java.util.zip.ZipFile.OPEN_READ, JarFile.runtimeVersion()); // Paper - enable multi-release jars for Java 9+
         this.manifest = jar.getManifest();
         this.url = file.toURI().toURL();
         this.libraryLoader = libraryLoader;