merge -r 1396705:1396706 from branch-2. FIXES: HDFS-3824

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1396707 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -21,6 +21,9 @@ Release 0.23.5 - UNRELEASED
     HDFS-3829. TestHftpURLTimeouts fails intermittently with JDK7  (Trevor
     Robinson via tgraves)
 
+    HDFS-3824. TestHftpDelegationToken fails intermittently with JDK7 (Trevor
+    Robinson via tgraves)
+
 Release 0.23.4 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHftpDelegationToken.java

@@ -43,6 +43,8 @@ public class TestHftpDelegationToken {
 
   @Test
   public void testHdfsDelegationToken() throws Exception {
+    SecurityUtilTestHelper.setTokenServiceUseIp(true);
+
     final Configuration conf = new Configuration();
     conf.set(HADOOP_SECURITY_AUTHENTICATION, "kerberos");
     UserGroupInformation.setConfiguration(conf);