luhuachao created HDFS-13626:
--------------------------------

             Summary: When the setOwner operation was denied,The logging 
username is not appropriate
                 Key: HDFS-13626
                 URL: https://issues.apache.org/jira/browse/HDFS-13626
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
    Affects Versions: 3.0.0-alpha2, 2.7.4, 2.8.0
         Environment: hadoop 2.8.2
            Reporter: luhuachao


when do the chown operation on target file /tmp/test with user 'root' to user 
'hive', the log displays 'User hive is not a super user' ;This appropriate log 
here should be 'User root is not a super user'

[root@lhccmh1 ~]# hdfs dfs -ls /tmp/test
 -rw-r--r-- 3 root hdfs 0 2018-05-28 10:33 /tmp/test
 [root@lhccmh1 ~]# hdfs dfs -chown hive /tmp/test
 chown: changing ownership of '/tmp/test': User hive is not a super user 
(non-super user cannot change owner).

The last version patch of issue HDFS-10455 use username but not pc.getUser() in 
logs;

       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.isMemberOfGroup(group)) {
-          throw new AccessControlException("User does not belong to " + group);
+          throw new AccessControlException(
+              "User " + username + " does not belong to " + group);
         }
       }
 

 

 



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