From 7078ebe55bd90363fe6c8eaa7626f2b94fd722e1 Mon Sep 17 00:00:00 2001
From: Odrepa <ordrepa@gmail.com>
Date: Sat, 13 Nov 2021 14:53:51 -0600
Subject: [PATCH] Reset UserGroupInformation after tests run

---
 .../org/apache/hadoop/registry/secure/TestSecureRegistry.java   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hadoop-common-project/hadoop-registry/src/test/java/org/apache/hadoop/registry/secure/TestSecureRegistry.java b/hadoop-common-project/hadoop-registry/src/test/java/org/apache/hadoop/registry/secure/TestSecureRegistry.java
index 27d32ea9d2672..0f02c0191eb24 100644
--- a/hadoop-common-project/hadoop-registry/src/test/java/org/apache/hadoop/registry/secure/TestSecureRegistry.java
+++ b/hadoop-common-project/hadoop-registry/src/test/java/org/apache/hadoop/registry/secure/TestSecureRegistry.java
@@ -19,6 +19,7 @@
 package org.apache.hadoop.registry.secure;
 
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.service.ServiceOperations;
 import org.apache.hadoop.registry.client.impl.zk.ZKPathDumper;
 import org.apache.hadoop.registry.client.impl.zk.CuratorService;
@@ -52,6 +53,7 @@ public void beforeTestSecureZKService() throws Throwable {
   public void afterTestSecureZKService() throws Throwable {
     disableKerberosDebugging();
     RegistrySecurity.clearZKSaslClientProperties();
+    UserGroupInformation.reset();
   }
 
   @Test