From c458153c55df0207a428c27c0db3ad5802d59beb Mon Sep 17 00:00:00 2001
From: bstorozhuk <storozhuk.b.m@gmail.com>
Date: Thu, 7 Mar 2019 00:04:20 +0200
Subject: [PATCH] #351 - this change should fix bug that prevents JVM shutdown

---
 .../circuitbreaker/internal/AutoTransitioner.java   | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/resilience4j-circuitbreaker/src/main/java/io/github/resilience4j/circuitbreaker/internal/AutoTransitioner.java b/resilience4j-circuitbreaker/src/main/java/io/github/resilience4j/circuitbreaker/internal/AutoTransitioner.java
index eb0ff9bd4b..bd68a2def1 100644
--- a/resilience4j-circuitbreaker/src/main/java/io/github/resilience4j/circuitbreaker/internal/AutoTransitioner.java
+++ b/resilience4j-circuitbreaker/src/main/java/io/github/resilience4j/circuitbreaker/internal/AutoTransitioner.java
@@ -13,8 +13,7 @@
  */
 public class AutoTransitioner {
 
-    private static final Lazy<ScheduledExecutorService> executorService = Lazy.of(
-            Executors::newSingleThreadScheduledExecutor);
+    private static final Lazy<ScheduledExecutorService> executorService = Lazy.of(AutoTransitioner::autoTransitionerSchedulerFactory);
 
     private AutoTransitioner() {
     }
@@ -25,4 +24,12 @@ public static void scheduleAutoTransition(Runnable transition, Duration waitDura
                 waitDurationInOpenState.toMillis(),
                 TimeUnit.MILLISECONDS);
     }
-}
\ No newline at end of file
+
+    private static ScheduledExecutorService autoTransitionerSchedulerFactory() {
+        return Executors.newSingleThreadScheduledExecutor(threadTask -> {
+            Thread thread = new Thread(threadTask, "AutomaticTransitionerFromOpenToHalfOpen");
+            thread.setDaemon(true);
+            return thread;
+        });
+    }
+}