From 932aed64d77edcc8483a95c1ce31a4c9ae679446 Mon Sep 17 00:00:00 2001
From: Akira Ajisaka <aajisaka@apache.org>
Date: Fri, 8 Jul 2016 14:39:11 -0700
Subject: [PATCH] HDFS-10336. TestBalancer failing intermittently because of
 not reseting UserGroupInformation completely. Contributed by Yiqun Lin.

---
 .../org/apache/hadoop/hdfs/server/balancer/TestBalancer.java     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java
index 1cfd488c10d..788f1e5c4b9 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java
@@ -1956,6 +1956,7 @@ public class TestBalancer {
       });
     } finally {
       // Reset UGI so that other tests are not affected.
+      UserGroupInformation.reset();
       UserGroupInformation.setConfiguration(new Configuration());
     }
   }