From d4bba011cc5bf54a7d019ad34f872138609bf300 Mon Sep 17 00:00:00 2001
From: Daniel Templeton <templedf@apache.org>
Date: Tue, 21 Mar 2017 14:15:40 -0700
Subject: [PATCH] YARN-6284. hasAlreadyRun should be final in
 ResourceManager.StandByTransitionRunnable (Contributed by Laura Adams via
 Daniel Templeton)

(cherry picked from commit 0a05c5c5989edeba2cffe16e80350245778cefce)
---
 .../hadoop/yarn/server/resourcemanager/ResourceManager.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
index 7c38a9bf289..827e6a3dfe6 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
@@ -798,7 +798,7 @@ public void handleTransitionToStandByInNewThread() {
   private class StandByTransitionRunnable implements Runnable {
     // The atomic variable to make sure multiple threads with the same runnable
     // run only once.
-    private AtomicBoolean hasAlreadyRun = new AtomicBoolean(false);
+    private final AtomicBoolean hasAlreadyRun = new AtomicBoolean(false);
 
     @Override
     public void run() {