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Posted to issues@spark.apache.org by "Marcelo Vanzin (Jira)" <ji...@apache.org> on 2019/08/20 19:44:00 UTC

[jira] [Resolved] (SPARK-27937) Revert changes introduced as a part of Automatic namespace discovery [SPARK-24149]

     [ https://issues.apache.org/jira/browse/SPARK-27937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marcelo Vanzin resolved SPARK-27937.
------------------------------------
    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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