Rajesh Balamohan created SPARK-14752:
----------------------------------------
Summary: LazilyGenerateOrdering throws NullPointerException with
TakeOrderedAndProject
Key: SPARK-14752
URL: https://issues.apache.org/jira/browse/SPARK-14752
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Rajesh Balamohan
codebase: spark master
DataSet: TPC-DS
Client: $SPARK_HOME/bin/beeline
Example query to reproduce the issue:
select i_item_id from item order by i_item_id limit 10;
Explain plan output
{noformat}
explain select i_item_id from item order by i_item_id limit 10;
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
|
plan
|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
| == Physical Plan ==
TakeOrderedAndProject(limit=10, orderBy=[i_item_id#1229 ASC],
output=[i_item_id#1229])
+- WholeStageCodegen
: +- Project [i_item_id#1229]
: +- Scan HadoopFiles[i_item_id#1229] Format: ORC, PushedFilters: [],
ReadSchema: struct<i_item_id:string> |
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--+
{noformat}
Exception:
{noformat}
TaskResultGetter: Exception while getting task result
com.esotericsoftware.kryo.KryoException: java.lang.NullPointerException
Serialization trace:
underlying (org.apache.spark.util.BoundedPriorityQueue)
at
com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:144)
at
com.esotericsoftware.kryo.serializers.FieldSerializer.read(FieldSerializer.java:551)
at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:790)
at com.twitter.chill.SomeSerializer.read(SomeSerializer.scala:25)
at com.twitter.chill.SomeSerializer.read(SomeSerializer.scala:19)
at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:790)
at
org.apache.spark.serializer.KryoSerializerInstance.deserialize(KryoSerializer.scala:312)
at
org.apache.spark.scheduler.DirectTaskResult.value(TaskResult.scala:87)
at
org.apache.spark.scheduler.TaskResultGetter$$anon$2$$anonfun$run$1.apply$mcV$sp(TaskResultGetter.scala:66)
at
org.apache.spark.scheduler.TaskResultGetter$$anon$2$$anonfun$run$1.apply(TaskResultGetter.scala:57)
at
org.apache.spark.scheduler.TaskResultGetter$$anon$2$$anonfun$run$1.apply(TaskResultGetter.scala:57)
at org.apache.spark.util.Utils$.logUncaughtExceptions(Utils.scala:1791)
at
org.apache.spark.scheduler.TaskResultGetter$$anon$2.run(TaskResultGetter.scala:56)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at
org.apache.spark.sql.catalyst.expressions.codegen.LazilyGeneratedOrdering.compare(GenerateOrdering.scala:157)
at
org.apache.spark.sql.catalyst.expressions.codegen.LazilyGeneratedOrdering.compare(GenerateOrdering.scala:148)
at scala.math.Ordering$$anon$4.compare(Ordering.scala:111)
at java.util.PriorityQueue.siftUpUsingComparator(PriorityQueue.java:669)
at java.util.PriorityQueue.siftUp(PriorityQueue.java:645)
at java.util.PriorityQueue.offer(PriorityQueue.java:344)
at java.util.PriorityQueue.add(PriorityQueue.java:321)
at
com.twitter.chill.java.PriorityQueueSerializer.read(PriorityQueueSerializer.java:78)
at
com.twitter.chill.java.PriorityQueueSerializer.read(PriorityQueueSerializer.java:31)
at com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:708)
at
com.esotericsoftware.kryo.serializers.ObjectField.read(ObjectField.java:125)
{noformat}
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