From b41a1326c462ac928403cda0bf3c4d7a68d3b88b Mon Sep 17 00:00:00 2001
From: Sungho Moon <tellel@naver.com>
Date: Mon, 22 Nov 2021 17:09:29 +0900
Subject: [PATCH] shutdown unused ClientResources (#2060)

---
 .../redis/TraceLettuceClientResourcesBeanPostProcessor.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spring-cloud-sleuth-autoconfigure/src/main/java/org/springframework/cloud/sleuth/autoconfig/instrument/redis/TraceLettuceClientResourcesBeanPostProcessor.java b/spring-cloud-sleuth-autoconfigure/src/main/java/org/springframework/cloud/sleuth/autoconfig/instrument/redis/TraceLettuceClientResourcesBeanPostProcessor.java
index a53d44af8..a9a5865ca 100644
--- a/spring-cloud-sleuth-autoconfigure/src/main/java/org/springframework/cloud/sleuth/autoconfig/instrument/redis/TraceLettuceClientResourcesBeanPostProcessor.java
+++ b/spring-cloud-sleuth-autoconfigure/src/main/java/org/springframework/cloud/sleuth/autoconfig/instrument/redis/TraceLettuceClientResourcesBeanPostProcessor.java
@@ -66,7 +66,9 @@ public class TraceLettuceClientResourcesBeanPostProcessor implements BeanPostPro
 				if (log.isDebugEnabled()) {
 					log.debug("Lettuce ClientResources bean is auto-configured to enable tracing.");
 				}
-				return cr.mutate().tracing(new LazyTracing(this.beanFactory)).build();
+				ClientResources crWithTracing = cr.mutate().tracing(new LazyTracing(this.beanFactory)).build();
+				cr.shutdown();
+				return crWithTracing;
 			}
 			else if (log.isDebugEnabled()) {
 				log.debug(