[jira] [Created] (SPARK-7364) NPE when reading null DATE columns from JDBC

["Vyacheslav Baranov (JIRA)" <ji...@apache.org>]

Vyacheslav Baranov created SPARK-7364:
-----------------------------------------

             Summary: NPE when reading null DATE columns from JDBC
                 Key: SPARK-7364
                 URL: https://issues.apache.org/jira/browse/SPARK-7364
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.4.0
            Reporter: Vyacheslav Baranov


NullPointerException occurs when attempting to read DATE column with NULL from JDBC data source
{noformat}
java.lang.NullPointerException
	at org.apache.spark.sql.types.DateUtils$.javaDateToDays(DateUtils.scala:40)
	at org.apache.spark.sql.types.DateUtils$.fromJavaDate(DateUtils.scala:54)
	at org.apache.spark.sql.jdbc.JDBCRDD$$anon$1.getNext(JDBCRDD.scala:367)
	at org.apache.spark.sql.jdbc.JDBCRDD$$anon$1.hasNext(JDBCRDD.scala:428)
	at scala.collection.Iterator$$anon$14.hasNext(Iterator.scala:388)
	at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
	at scala.collection.Iterator$class.foreach(Iterator.scala:727)
	at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
	at scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48)
	at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103)
	at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47)
	at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273)
	at scala.collection.AbstractIterator.to(Iterator.scala:1157)
	at scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265)
	at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157)
	at scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252)
	at scala.collection.AbstractIterator.toArray(Iterator.scala:1157)
	at org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$14.apply(RDD.scala:869)
	at org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$14.apply(RDD.scala:869)
	at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1679)
	at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1679)
	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:63)
	at org.apache.spark.scheduler.Task.run(Task.scala:70)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:213)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
{noformat}



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