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https://issues.apache.org/jira/browse/SPARK-12312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17026245#comment-17026245
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John Lonergan commented on SPARK-12312:
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@nabacg funnily enough we came up with almost the same solution but for oracle
which so has this issue.
Btw oracle is hideous as it tramples all over the static jaas config, wiping it
out, which btw msoft also used to do but has fixed recently.
At least msoft open sourced the jdbc driver which surely encourages healthy
debate and fixes. Come on oracle !!!!
> JDBC connection to Kerberos secured databases fails on remote executors
> -----------------------------------------------------------------------
>
> Key: SPARK-12312
> URL: https://issues.apache.org/jira/browse/SPARK-12312
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.5.2, 2.4.2
> Reporter: nabacg
> Priority: Minor
>
> When loading DataFrames from JDBC datasource with Kerberos authentication,
> remote executors (yarn-client/cluster etc. modes) fail to establish a
> connection due to lack of Kerberos ticket or ability to generate it.
> This is a real issue when trying to ingest data from kerberized data sources
> (SQL Server, Oracle) in enterprise environment where exposing simple
> authentication access is not an option due to IT policy issues.
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