From 605fdcbb81687c73ba91a3bd0d607cabd3dc5a67 Mon Sep 17 00:00:00 2001
From: Steve Loughran <stevel@apache.org>
Date: Wed, 16 Mar 2016 14:35:13 +0000
Subject: [PATCH] YARN-4593 Deadlock in AbstractService.getConfig() (stevel)

---
 .../main/java/org/apache/hadoop/service/AbstractService.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/AbstractService.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/AbstractService.java
index a7691f63b0..132768386a 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/AbstractService.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/AbstractService.java
@@ -399,7 +399,7 @@ public String getName() {
   }
 
   @Override
-  public synchronized Configuration getConfig() {
+  public Configuration getConfig() {
     return config;
   }