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https://issues.apache.org/jira/browse/SOLR-6372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Miller resolved SOLR-6372.
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Resolution: Fixed
Thanks Greg!
> HdfsDirectoryFactory should use supplied Configuration for communicating with
> secure kerberos
> ---------------------------------------------------------------------------------------------
>
> Key: SOLR-6372
> URL: https://issues.apache.org/jira/browse/SOLR-6372
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.4, 5.0
> Reporter: Gregory Chanan
> Assignee: Mark Miller
> Fix For: 5.0, 4.10
>
> Attachments: SOLR-6372.patch
>
>
> When setting the UserGroupInformation's Configuration, HdfsDirectorFactory
> creates a new Configuration, see here:
> https://github.com/apache/lucene-solr/blob/44f0dd7599901ba4d3625b5da8b998858e198d67/solr/core/src/java/org/apache/solr/core/HdfsDirectoryFactory.java#L306
> The issue with this is when it's used to set the UserGroupInformation
> configuration, it can overwrite any existing configuration, which may have
> other (server) settings like kerberos rules. Ideally there would be separate
> client/servers interfaces so this wouldn't be an issue. But lacking that,
> using the passed in Configuration allows the user to always specify all
> necessary settings.
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