Davies Liu created SPARK-15791:
----------------------------------
Summary: NPE in ScalarSubquery
Key: SPARK-15791
URL: https://issues.apache.org/jira/browse/SPARK-15791
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Davies Liu
Assignee: Davies Liu
{code}
Job aborted due to stage failure: Task 0 in stage 146.0 failed 4 times, most
recent failure: Lost task 0.3 in stage 146.0 (TID 48828, 10.0.206.208):
java.lang.NullPointerException
at
org.apache.spark.sql.execution.ScalarSubquery.dataType(subquery.scala:45)
at
org.apache.spark.sql.catalyst.expressions.CaseWhenBase.dataType(conditionalExpressions.scala:103)
at
org.apache.spark.sql.catalyst.expressions.Alias.toAttribute(namedExpressions.scala:165)
at
org.apache.spark.sql.execution.ProjectExec$$anonfun$output$1.apply(basicPhysicalOperators.scala:33)
at
org.apache.spark.sql.execution.ProjectExec$$anonfun$output$1.apply(basicPhysicalOperators.scala:33)
at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
at scala.collection.immutable.List.foreach(List.scala:318)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
at scala.collection.AbstractTraversable.map(Traversable.scala:105)
at
org.apache.spark.sql.execution.ProjectExec.output(basicPhysicalOperators.scala:33)
at
org.apache.spark.sql.execution.WholeStageCodegenExec.output(WholeStageCodegenExec.scala:291)
at
org.apache.spark.sql.execution.DeserializeToObjectExec$$anonfun$2.apply(objects.scala:85)
at
org.apache.spark.sql.execution.DeserializeToObjectExec$$anonfun$2.apply(objects.scala:84)
at
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$24.apply(RDD.scala:775)
at
org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$24.apply(RDD.scala:775)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:318)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:282)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:318)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:282)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:70)
at org.apache.spark.scheduler.Task.run(Task.scala:85)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:274)
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)
{code}
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