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https://issues.apache.org/jira/browse/SPARK-27937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcelo Vanzin resolved SPARK-27937.
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Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 24785
[https://github.com/apache/spark/pull/24785]
> Revert changes introduced as a part of Automatic namespace discovery
> [SPARK-24149]
> ----------------------------------------------------------------------------------
>
> Key: SPARK-27937
> URL: https://issues.apache.org/jira/browse/SPARK-27937
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.4.3
> Reporter: Dhruve Ashar
> Assignee: Dhruve Ashar
> Priority: Major
> Fix For: 3.0.0
>
>
> Spark fails to launch for a valid deployment of HDFS while trying to get
> tokens for a logical nameservice instead of an actual namenode (with HDFS
> federation enabled).
> On inspecting the source code closely, it is unclear why we were doing it and
> based on the context from SPARK-24149, it solves a very specific use case of
> getting the tokens for only those namenodes which are configured for HDFS
> federation in the same cluster. IMHO these are better left to the user to
> specify explicitly.
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