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https://issues.apache.org/jira/browse/HADOOP-10982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14139616#comment-14139616
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Alejandro Abdelnur commented on HADOOP-10982:
---------------------------------------------

OK, testpatch is gaga, the KMS tests do not fail (from the console):

{code}
Running org.apache.hadoop.crypto.key.kms.server.TestKMSACLs
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.503 sec - in 
org.apache.hadoop.crypto.key.kms.server.TestKMSACLs
Running org.apache.hadoop.crypto.key.kms.server.TestKMSWithZK
Running org.apache.hadoop.crypto.key.kms.server.TestKeyAuthorizationKeyProvider
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.129 sec - in 
org.apache.hadoop.crypto.key.kms.server.TestKeyAuthorizationKeyProvider
Running org.apache.hadoop.crypto.key.kms.server.TestKMS
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 20.122 sec - 
in org.apache.hadoop.crypto.key.kms.server.TestKMS
Running org.apache.hadoop.crypto.key.kms.server.TestKMSAudit
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.489 sec - in 
org.apache.hadoop.crypto.key.kms.server.TestKMSAudit
{code}

The failing test is

{code}
Failed tests: 
  TestMetricsSystemImpl.testMultiThreadedPublish:235 Metric not collected!
{code}

I'll commit this JIRA momentarily and create one for the testcase part. 

> KMS: Support for multiple Kerberos principals
> ---------------------------------------------
>
>                 Key: HADOOP-10982
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10982
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 3.0.0
>            Reporter: Andrew Wang
>            Assignee: Alejandro Abdelnur
>         Attachments: HADOOP-10982.patch, HADOOP-10982.patch, 
> HADOOP-10982.patch, HADOOP-10982.patch
>
>
> The Key Management Server should support multiple Kerberos principals.
> This is required for KMS multi instance setups behind a  VIP. In such 
> scenarios there must a principal with the VIP hostname and one with the 
> actual hostname of the KMS instance. Regular users will use the VIP entry 
> point, monitoring agents must hit a specific instance.



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