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https://issues.apache.org/jira/browse/SPARK-21697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun closed SPARK-21697.
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> NPE & ExceptionInInitializerError trying to load UDF from HDFS
> --------------------------------------------------------------
>
> Key: SPARK-21697
> URL: https://issues.apache.org/jira/browse/SPARK-21697
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.1
> Environment: Spark Client mode, Hadoop 2.6.0
> Reporter: Steve Loughran
> Priority: Minor
> Labels: bulk-closed
>
> Reported on [the
> PR|https://github.com/apache/spark/pull/17342#issuecomment-321438157] for
> SPARK-12868: trying to load a UDF of HDFS is triggering an
> {{ExceptionInInitializerError}}, caused by an NPE which should only happen if
> the commons-logging {{LOG}} log is null.
> Hypothesis: the commons logging scan for {{commons-logging.properties}} is
> happening in the classpath with the HDFS JAR; this is triggering a D/L of the
> JAR, which needs to force in commons-logging, and, as that's not inited yet,
> NPEs
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