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https://issues.apache.org/jira/browse/SPARK-21588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17350898#comment-17350898
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Apache Spark commented on SPARK-21588:
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User 'vinodkc' has created a pull request for this issue:
https://github.com/apache/spark/pull/18852
> SQLContext.getConf(key, null) should return null, but it throws NPE
> -------------------------------------------------------------------
>
> Key: SPARK-21588
> URL: https://issues.apache.org/jira/browse/SPARK-21588
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.2.0
> Reporter: Burak Yavuz
> Assignee: Vinod KC
> Priority: Minor
> Fix For: 2.1.2, 2.2.1, 2.3.0
>
>
> SQLContext.get(key) for a key that is not defined in the conf, and doesn't
> have a default value defined, throws a NoSuchElementException. In order to
> avoid that, I used a null as the default value, which threw a NPE instead. If
> it is null, it shouldn't try to parse the default value in `getConfString`
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