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Apache Spark commented on SPARK-34682: -------------------------------------- User 'andygrove' has created a pull request for this issue: https://github.com/apache/spark/pull/31793 > Regression in "operating on canonicalized plan" check in > CustomShuffleReaderExec > -------------------------------------------------------------------------------- > > Key: SPARK-34682 > URL: https://issues.apache.org/jira/browse/SPARK-34682 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 3.1.1 > Reporter: Andy Grove > Priority: Minor > Fix For: 3.2.0, 3.1.2 > > > In Spark 3.0.2 if I attempt to execute on a canonicalized version of > CustomShuffleReaderExec I get an error "operating on canonicalized plan", as > expected. > There is a regression in Spark 3.1.1 where this check can never be reached > because of a new call to sendDriverMetrics that was added prior to the check. > This method will fail if operating on a canonicalized plan because it assumes > the existence of metrics that do not exist if this is a canonicalized plan. > {code:java} > private lazy val shuffleRDD: RDD[_] = { > sendDriverMetrics() > shuffleStage.map { stage => > stage.shuffle.getShuffleRDD(partitionSpecs.toArray) > }.getOrElse { > throw new IllegalStateException("operating on canonicalized plan") > } > }{code} > The specific error looks like this: > {code:java} > java.util.NoSuchElementException: key not found: numPartitions > at scala.collection.immutable.Map$EmptyMap$.apply(Map.scala:101) > at scala.collection.immutable.Map$EmptyMap$.apply(Map.scala:99) > at > org.apache.spark.sql.execution.adaptive.CustomShuffleReaderExec.sendDriverMetrics(CustomShuffleReaderExec.scala:122) > at > org.apache.spark.sql.execution.adaptive.CustomShuffleReaderExec.shuffleRDD$lzycompute(CustomShuffleReaderExec.scala:182) > at > org.apache.spark.sql.execution.adaptive.CustomShuffleReaderExec.shuffleRDD(CustomShuffleReaderExec.scala:181) > at > org.apache.spark.sql.execution.adaptive.CustomShuffleReaderExec.doExecuteColumnar(CustomShuffleReaderExec.scala:196) > {code} > I think the fix is simply to avoid calling sendDriverMetrics if the plan is > canonicalized and I am planning on creating a PR to fix this. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org