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https://issues.apache.org/jira/browse/HDFS-12396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16274764#comment-16274764
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Xiao Chen commented on HDFS-12396:
----------------------------------

Thanks [~shahrs87] for fixing this and [~daryn] for reviews. Happy to see this 
gets fixed.

The latest patches LGTM and is fairly separate, good work!

I'm +1 pending a minor typo:
{code}
+@InterfaceAudience.Private
+@InterfaceStability.Evolving
+@InterfaceStability.Unstable
+public class HdfsKMSUtil {
{code}
No Evolving.

I feel the unit test could be more thorough: currently it tests webhdfs 
addDelegationTokens works. Ideally we'd want a higher level testing that these 
tokens can be used to successfully do HDFS operations. Can do this in the other 
subtasks or a follow-on.

> Webhdfs file system should get delegation token from kms provider.
> ------------------------------------------------------------------
>
>                 Key: HDFS-12396
>                 URL: https://issues.apache.org/jira/browse/HDFS-12396
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: encryption, kms, webhdfs
>            Reporter: Rushabh S Shah
>            Assignee: Rushabh S Shah
>         Attachments: HDFS-12396-branch-2.8.patch, HDFS-12396-branch-2.patch, 
> HDFS-12396.001.patch, HDFS-12396.002.patch, HDFS-12396.003.patch, 
> HDFS-12396.004.patch, HDFS-12396.005.patch, HDFS-12396.006.patch
>
>




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