diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 33544e0c38f..07c2666bdb2 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -241,6 +241,9 @@ Release 2.7.4 - UNRELEASED
     HDFS-11615. FSNamesystemLock metrics can be inaccurate due to millisecond precision.
     (Erik Krogen via zhz)
 
+    HDFS-10455. Logging the username when deny the setOwner operation.
+    (Tianyi Xu and Rakesh R via Brahma Reddy Battula)
+
 Release 2.7.3 - 2016-08-25
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java
index e35b1fb7214..8b4793caa7c 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java
@@ -78,10 +78,12 @@ public class FSDirAttrOp {
       fsd.checkOwner(pc, iip);
       if (!pc.isSuperUser()) {
         if (username != null && !pc.getUser().equals(username)) {
-          throw new AccessControlException("Non-super user cannot change owner");
+          throw new AccessControlException("User " + username
+              + " is not a super user (non-super user cannot change owner).");
         }
         if (group != null && !pc.containsGroup(group)) {
-          throw new AccessControlException("User does not belong to " + group);
+          throw new AccessControlException(
+              "User " + username + " does not belong to " + group);
         }
       }
       unprotectedSetOwner(fsd, src, username, group);