From a0b7f09252b234e4a9f514201a8c1714363ee029 Mon Sep 17 00:00:00 2001
From: Janmm14 <Janmm14@users.noreply.github.com>
Date: Tue, 18 May 2021 10:34:53 +0000
Subject: [PATCH] #3087: Force-enable multi-release jar file support for JDK9+
 via System property

---
 proxy/src/main/java/net/md_5/bungee/BungeeCordLauncher.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/proxy/src/main/java/net/md_5/bungee/BungeeCordLauncher.java b/proxy/src/main/java/net/md_5/bungee/BungeeCordLauncher.java
index 01ec0caec..7281d6b2c 100644
--- a/proxy/src/main/java/net/md_5/bungee/BungeeCordLauncher.java
+++ b/proxy/src/main/java/net/md_5/bungee/BungeeCordLauncher.java
@@ -20,6 +20,11 @@ public class BungeeCordLauncher
     {
         Security.setProperty( "networkaddress.cache.ttl", "30" );
         Security.setProperty( "networkaddress.cache.negative.ttl", "10" );
+        // For JDK9+ we force-enable multi-release jar file support #3087
+        if ( System.getProperty( "jdk.util.jar.enableMultiRelease" ) == null )
+        {
+            System.setProperty( "jdk.util.jar.enableMultiRelease", "force" );
+        }
 
         OptionParser parser = new OptionParser();
         parser.allowsUnrecognizedOptions();