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https://issues.apache.org/jira/browse/SOLR-8538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15107033#comment-15107033
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Erick Erickson commented on SOLR-8538:
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Thanks for letting us know what the resolution was!
> Kerberos ticket is not renewed automatically when storing index on secured
> HDFS
> -------------------------------------------------------------------------------
>
> Key: SOLR-8538
> URL: https://issues.apache.org/jira/browse/SOLR-8538
> Project: Solr
> Issue Type: Bug
> Components: Hadoop Integration, hdfs, security
> Affects Versions: 5.2.1
> Environment: HDP 2.3
> Reporter: Andrew Bumstead
>
> It seems that when Solr is configured to stores its index files on a
> Kerberized HDFS, there is no built in mechanism by which Solr will renew its
> Kerberos ticket before it expires.
> The impact is that after the default ticket lifetime has elapsed (typically
> 24 hours) Solr becomes unable to connect to HDFS to read/write and requires a
> restart or a manual kinit command to be run.
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