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https://issues.apache.org/jira/browse/SPARK-8489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15188894#comment-15188894
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Apache Spark commented on SPARK-8489:
-------------------------------------

User 'dongjoon-hyun' has created a pull request for this issue:
https://github.com/apache/spark/pull/11630

> Add regression tests for SPARK-8470
> -----------------------------------
>
>                 Key: SPARK-8489
>                 URL: https://issues.apache.org/jira/browse/SPARK-8489
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL, Tests
>    Affects Versions: 1.4.0
>            Reporter: Andrew Or
>            Assignee: Andrew Or
>            Priority: Critical
>             Fix For: 1.4.1, 1.5.0
>
>
> See SPARK-8470 for more detail. Basically the Spark Hive code silently 
> overwrites the context class loader populated in SparkSubmit, resulting in 
> certain classes missing when we do reflection in `SQLContext#createDataFrame`.
> That issue is already resolved in https://github.com/apache/spark/pull/6891, 
> but we should add a regression test for the specific manifestation of the bug 
> in SPARK-8470.



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