From 750458e491bd9a306875b284b8e1f42358116261 Mon Sep 17 00:00:00 2001
From: Ry Biesemeyer <ry.biesemeyer@elastic.co>
Date: Fri, 17 Apr 2026 15:54:31 +0000
Subject: [PATCH] fix forced-shutdown (double SIGINT) behaviour for JRuby 10

---
 logstash-core/src/main/java/org/logstash/Logstash.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/logstash-core/src/main/java/org/logstash/Logstash.java b/logstash-core/src/main/java/org/logstash/Logstash.java
index 94c25d3f40..e24d9b6491 100644
--- a/logstash-core/src/main/java/org/logstash/Logstash.java
+++ b/logstash-core/src/main/java/org/logstash/Logstash.java
@@ -117,7 +117,9 @@ public static void main(final String... args) {
 
     private static void installGlobalUncaughtExceptionHandler() {
         Thread.setDefaultUncaughtExceptionHandler((thread, e) -> {
-            if (e instanceof Error) {
+            if (e instanceof org.jruby.exceptions.SystemExit) {
+                halt(1);
+            } else if (e instanceof Error) {
                 handleFatalError("uncaught error (in thread " + thread.getName() + ")",  e);
             } else {
                 LOGGER.error("uncaught exception (in thread " + thread.getName() + ")", e);