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https://issues.apache.org/jira/browse/SPARK-7364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vyacheslav Baranov resolved SPARK-7364.
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Resolution: Duplicate
> 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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