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  1. Spark
  2. SPARK-19959

df[java.lang.Long].collect throws NullPointerException if df includes null

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.2.0
    • Fix Version/s: 2.0.3, 2.1.1, 2.2.0
    • Component/s: SQL
    • Labels:
      None

      Description

      The following program throws NullPointerException during the execution of Java code generated by the wholestage codegen.

      sparkContext.parallelize(Seq[java.lang.Long](0L, null, 2L), 1).toDF.collect
      
      Caused by: java.lang.NullPointerException
      	at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIterator.processNext(generated.java:37)
      	at org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
      	at org.apache.spark.sql.execution.WholeStageCodegenExec$$anonfun$8$$anon$1.hasNext(WholeStageCodegenExec.scala:394)
      	at org.apache.spark.sql.execution.SparkPlan$$anonfun$2.apply(SparkPlan.scala:231)
      	at org.apache.spark.sql.execution.SparkPlan$$anonfun$2.apply(SparkPlan.scala:225)
      	at org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$25.apply(RDD.scala:827)
      	at org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$25.apply(RDD.scala:827)
      	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
      	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)
      	at org.apache.spark.rdd.RDD.iterator(RDD.scala:287)
      	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
      	at org.apache.spark.scheduler.Task.run(Task.scala:108)
      	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:317)
      	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)
      

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            • Assignee:
              kiszk Kazuaki Ishizaki
              Reporter:
              kiszk Kazuaki Ishizaki
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              Dates

              • Created:
                Updated:
                Resolved: