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https://issues.apache.org/jira/browse/SPARK-25294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16598975#comment-16598975
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Marcelo Vanzin commented on SPARK-25294:
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It might be hard to cover all cases since kerberos is, well, complicated. But
there's a lot of ground we can cover by using Hadoop's {{MiniKdc}} in our
tests. This has been on my "things to take a look at sometime" list for a few
years...
> Add integration test for Kerberos
> ----------------------------------
>
> Key: SPARK-25294
> URL: https://issues.apache.org/jira/browse/SPARK-25294
> Project: Spark
> Issue Type: Test
> Components: Tests
> Affects Versions: 2.4.0
> Reporter: Yuming Wang
> Priority: Major
>
> Some changes may cause Kerberos issues, such as {{Yarn}}, {{Hive}}, {{HDFS}}.
> we should add tests.
> https://issues.apache.org/jira/browse/SPARK-23789
> https://github.com/apache/spark/pull/21987#issuecomment-417560077
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