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Posted to issues@spark.apache.org by "Song Jun (JIRA)" <ji...@apache.org> on 2017/02/28 02:20:45 UTC
[jira] [Created] (SPARK-19761) create InMemoryFileIndex with empty
rootPaths when set PARALLEL_PARTITION_DISCOVERY_THRESHOLD to zero
Song Jun created SPARK-19761:
--------------------------------
Summary: create InMemoryFileIndex with empty rootPaths when set PARALLEL_PARTITION_DISCOVERY_THRESHOLD to zero
Key: SPARK-19761
URL: https://issues.apache.org/jira/browse/SPARK-19761
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.2.0
Reporter: Song Jun
if we create a InMemoryFileIndex with an empty rootPaths when set PARALLEL_PARTITION_DISCOVERY_THRESHOLD to zero, it will throw an exception:
{code}
Positive number of slices required
java.lang.IllegalArgumentException: Positive number of slices required
at org.apache.spark.rdd.ParallelCollectionRDD$.slice(ParallelCollectionRDD.scala:119)
at org.apache.spark.rdd.ParallelCollectionRDD.getPartitions(ParallelCollectionRDD.scala:97)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:252)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:250)
at scala.Option.getOrElse(Option.scala:121)
at org.apache.spark.rdd.RDD.partitions(RDD.scala:250)
at org.apache.spark.rdd.MapPartitionsRDD.getPartitions(MapPartitionsRDD.scala:35)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:252)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:250)
at scala.Option.getOrElse(Option.scala:121)
at org.apache.spark.rdd.RDD.partitions(RDD.scala:250)
at org.apache.spark.rdd.MapPartitionsRDD.getPartitions(MapPartitionsRDD.scala:35)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:252)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:250)
at scala.Option.getOrElse(Option.scala:121)
at org.apache.spark.rdd.RDD.partitions(RDD.scala:250)
at org.apache.spark.SparkContext.runJob(SparkContext.scala:2084)
at org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:936)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
at org.apache.spark.rdd.RDD.withScope(RDD.scala:362)
at org.apache.spark.rdd.RDD.collect(RDD.scala:935)
at org.apache.spark.sql.execution.datasources.PartitioningAwareFileIndex$.org$apache$spark$sql$execution$datasources$PartitioningAwareFileIndex$$bulkListLeafFiles(PartitioningAwareFileIndex.scala:357)
at org.apache.spark.sql.execution.datasources.PartitioningAwareFileIndex.listLeafFiles(PartitioningAwareFileIndex.scala:256)
at org.apache.spark.sql.execution.datasources.InMemoryFileIndex.refresh0(InMemoryFileIndex.scala:74)
at org.apache.spark.sql.execution.datasources.InMemoryFileIndex.<init>(InMemoryFileIndex.scala:50)
at org.apache.spark.sql.execution.datasources.FileIndexSuite$$anonfun$9$$anonfun$apply$mcV$sp$2.apply$mcV$sp(FileIndexSuite.scala:186)
at org.apache.spark.sql.test.SQLTestUtils$class.withSQLConf(SQLTestUtils.scala:105)
at org.apache.spark.sql.execution.datasources.FileIndexSuite.withSQLConf(FileIndexSuite.scala:33)
at org.apache.spark.sql.execution.datasources.FileIndexSuite$$anonfun$9.apply$mcV$sp(FileIndexSuite.scala:185)
at org.apache.spark.sql.execution.datasources.FileIndexSuite$$anonfun$9.apply(FileIndexSuite.scala:185)
at org.apache.spark.sql.execution.datasources.FileIndexSuite$$anonfun$9.apply(FileIndexSuite.scala:185)
at org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
{code}
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