From 8c92814119dc7ec8f893473304c5fdca7ef49cd1 Mon Sep 17 00:00:00 2001
From: Karl-Erik Enkelmann <playdohface@gmail.com>
Date: Tue, 16 Jun 2026 09:59:43 +0200
Subject: [PATCH] Prefer IPv4 in JVM launch args for JDTLS

---
 src/jdtls.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/jdtls.rs b/src/jdtls.rs
index 500480e..24ada2d 100644
--- a/src/jdtls.rs
+++ b/src/jdtls.rs
@@ -296,6 +296,7 @@ pub fn build_jdtls_launch_args(
         "-Dosgi.sharedConfiguration.area.readOnly=true".to_string(),
         "-Dosgi.configuration.cascaded=true".to_string(),
         "-Djava.import.generatesMetadataFilesAtProjectRoot=false".to_string(),
+        "-Djava.net.preferIPv4Stack=true".to_string(),
     ];
     {
         let mut min =