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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2015/09/03 21:57:45 UTC

[jira] [Resolved] (SPARK-9596) Avoid reloading Hadoop classes like UserGroupInformation

     [ https://issues.apache.org/jira/browse/SPARK-9596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Armbrust resolved SPARK-9596.
-------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.6.0

Issue resolved by pull request 7931
[https://github.com/apache/spark/pull/7931]

> Avoid reloading Hadoop classes like UserGroupInformation
> --------------------------------------------------------
>
>                 Key: SPARK-9596
>                 URL: https://issues.apache.org/jira/browse/SPARK-9596
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Tao Wang
>            Assignee: Tao Wang
>             Fix For: 1.6.0
>
>
> Some hadoop classes contains global information such as authentication in UserGroupInformation. If we load them again in `IsolatedClientLoader`, the message they carry will be dropped.
> So we should treat hadoop classes as "shared" too.



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