From 371452e26005a483b069cc8d558ec1b4eb6f2e0e Mon Sep 17 00:00:00 2001
From: Prabhu Joseph <pjoseph@cloudera.com>
Date: Fri, 21 Jun 2019 17:02:54 -0700
Subject: [PATCH] HADOOP-15989. Synchronized at CompositeService#removeService
 is not required. Contributed by Prabhu Joseph.

Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>
---
 .../main/java/org/apache/hadoop/service/CompositeService.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/CompositeService.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/CompositeService.java
index a5e8c895c65..4aa2f23fad7 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/CompositeService.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/CompositeService.java
@@ -93,7 +93,8 @@ protected boolean addIfService(Object object) {
     }
   }
 
-  protected synchronized boolean removeService(Service service) {
+  protected boolean removeService(Service service) {
+    LOG.debug("Removing service {}", service.getName());
     synchronized (serviceList) {
       return serviceList.remove(service);
     }