Willi Raschkowski created SPARK-39044: -----------------------------------------
Summary: AggregatingAccumulator with TypedImperativeAggregate throwing NullPointerException Key: SPARK-39044 URL: https://issues.apache.org/jira/browse/SPARK-39044 Project: Spark Issue Type: Bug Components: SQL Affects Versions: 3.2.1 Reporter: Willi Raschkowski We're using a custom TypedImperativeAggregate inside an AggregatingAccumulator (via {{observe()}} and get this error below: {code} Caused by: java.io.IOException: java.lang.NullPointerException at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1435) at org.apache.spark.scheduler.DirectTaskResult.writeExternal(TaskResult.scala:51) at java.base/java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1460) at java.base/java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1179) at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:349) at org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:46) at org.apache.spark.serializer.JavaSerializerInstance.serialize(JavaSerializer.scala:114) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:633) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ... 1 more Caused by: java.lang.NullPointerException at org.apache.spark.sql.catalyst.expressions.aggregate.TypedImperativeAggregate.getBufferObject(interfaces.scala:638) at org.apache.spark.sql.catalyst.expressions.aggregate.TypedImperativeAggregate.getBufferObject(interfaces.scala:599) at org.apache.spark.sql.catalyst.expressions.aggregate.TypedImperativeAggregate.serializeAggregateBufferInPlace(interfaces.scala:621) at org.apache.spark.sql.execution.AggregatingAccumulator.withBufferSerialized(AggregatingAccumulator.scala:205) at org.apache.spark.sql.execution.AggregatingAccumulator.withBufferSerialized(AggregatingAccumulator.scala:33) at org.apache.spark.util.AccumulatorV2.writeReplace(AccumulatorV2.scala:186) at jdk.internal.reflect.GeneratedMethodAccessor49.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at java.base/java.io.ObjectStreamClass.invokeWriteReplace(ObjectStreamClass.java:1235) at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1137) at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:349) at org.apache.spark.scheduler.DirectTaskResult.$anonfun$writeExternal$2(TaskResult.scala:55) at org.apache.spark.scheduler.DirectTaskResult.$anonfun$writeExternal$2$adapted(TaskResult.scala:55) at scala.collection.Iterator.foreach(Iterator.scala:943) at scala.collection.Iterator.foreach$(Iterator.scala:943) at scala.collection.AbstractIterator.foreach(Iterator.scala:1431) at scala.collection.IterableLike.foreach(IterableLike.scala:74) at scala.collection.IterableLike.foreach$(IterableLike.scala:73) at scala.collection.AbstractIterable.foreach(Iterable.scala:56) at org.apache.spark.scheduler.DirectTaskResult.$anonfun$writeExternal$1(TaskResult.scala:55) at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23) at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1428) ... 11 more {code} -- This message was sent by Atlassian Jira (v8.20.7#820007) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org