Steve Loughran created SPARK-21697:

             Summary: NPE & ExceptionInInitializerError trying to load UTF from 
                 Key: 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

Reported on [the 
PR|] 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 {{}} 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, 

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