scala.reflect.runtime.ReflectError: value reflect is not a package

DataStax JIRA | Russell Spitzer | 2 years ago
  1. 0

    Running a small multithreaded example like {code} scala> val thread1 = new Thread(new Runnable { def run() { println(sc.cassandraTable[(Int, String)]("multi_threaded", "test").collect.size) } }) thread1: Thread = Thread[Thread-38,5,main] scala> val thread2 = new Thread(new Runnable { def run() { println(sc.cassandraTable[(Int, String)]("multi_threaded", "test").collect.size) } }) thread2: Thread = Thread[Thread-39,5,main] scala> thread1.start; thread2.start {code} Generates a reflection exception {code} scala.reflect.runtime.ReflectError: value reflect is not a package at scala.reflect.runtime.JavaMirrors$JavaMirror.scala$reflect$runtime$JavaMirrors$$makeScalaPackage(JavaMirrors.scala:912) at scala.reflect.runtime.JavaMirrors$class.missingHook(JavaMirrors.scala:1296) at scala.reflect.runtime.JavaUniverse.missingHook(JavaUniverse.scala:12) at scala.reflect.internal.Mirrors$RootsBase.universeMissingHook(Mirrors.scala:77) at scala.reflect.internal.Mirrors$RootsBase.missingHook(Mirrors.scala:79) at scala.reflect.internal.pickling.UnPickler$Scan.readExtSymbol$1(UnPickler.scala:226) at scala.reflect.internal.pickling.UnPickler$Scan.readSymbol(UnPickler.scala:250) at scala.reflect.internal.pickling.UnPickler$Scan.readSymbolRef(UnPickler.scala:783) at scala.reflect.internal.pickling.UnPickler$Scan.readExtSymbol$1(UnPickler.scala:200) at scala.reflect.internal.pickling.UnPickler$Scan.readSymbol(UnPickler.scala:250) at scala.reflect.internal.pickling.UnPickler$Scan.readSymbolRef(UnPickler.scala:783) at scala.reflect.internal.pickling.UnPickler$Scan.readType(UnPickler.scala:346) at scala.reflect.internal.pickling.UnPickler$Scan$$anonfun$readTypeRef$1.apply(UnPickler.scala:792) at scala.reflect.internal.pickling.UnPickler$Scan$$anonfun$readTypeRef$1.apply(UnPickler.scala:792) at scala.reflect.internal.pickling.UnPickler$Scan.at(UnPickler.scala:171) at scala.reflect.internal.pickling.UnPickler$Scan.readTypeRef(UnPickler.scala:792) at scala.reflect.internal.pickling.UnPickler$Scan.readType(UnPickler.scala:366) at scala.reflect.internal.pickling.UnPickler$Scan$LazyTypeRef$$anonfun$34.apply(UnPickler.scala:855) at scala.reflect.internal.pickling.UnPickler$Scan$LazyTypeRef$$anonfun$34.apply(UnPickler.scala:855) at scala.reflect.internal.pickling.UnPickler$Scan.at(UnPickler.scala:171) at scala.reflect.internal.pickling.UnPickler$Scan$LazyTypeRef.complete(UnPickler.scala:855) at scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1231) at scala.reflect.internal.Symbols$Symbol.initialize(Symbols.scala:1374) at scala.reflect.internal.Symbols$Symbol.annotations(Symbols.scala:1581) at scala.reflect.internal.Symbols$Symbol.addAnnotation(Symbols.scala:1600) at scala.reflect.internal.pickling.UnPickler$Scan.readSymbolAnnotation(UnPickler.scala:491) at scala.reflect.internal.pickling.UnPickler$Scan.run(UnPickler.scala:88) at scala.reflect.internal.pickling.UnPickler.unpickle(UnPickler.scala:37) at scala.reflect.runtime.JavaMirrors$JavaMirror.unpickleClass(JavaMirrors.scala:565) at scala.reflect.runtime.SymbolLoaders$TopClassCompleter.complete(SymbolLoaders.scala:32) at scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1231) at scala.reflect.internal.Symbols$Symbol.initialize(Symbols.scala:1374) at scala.reflect.internal.Symbols$Symbol.hasFlag(Symbols.scala:607) at scala.reflect.internal.Symbols$TermSymbol.isTermMacro(Symbols.scala:2453) at scala.reflect.internal.Symbols$Symbol.symbolKind(Symbols.scala:2263) at scala.reflect.internal.Symbols$Symbol.sanitizedKindString(Symbols.scala:2297) at scala.reflect.internal.Symbols$Symbol.kindString(Symbols.scala:2305) at scala.reflect.internal.Symbols$Symbol.toString(Symbols.scala:2350) at java.lang.String.valueOf(String.java:2847) at scala.collection.mutable.StringBuilder.append(StringBuilder.scala:197) at scala.collection.TraversableOnce$$anonfun$addString$1.apply(TraversableOnce.scala:322) at scala.collection.immutable.List.foreach(List.scala:318) at scala.collection.TraversableOnce$class.addString(TraversableOnce.scala:320) at scala.collection.AbstractTraversable.addString(Traversable.scala:105) at scala.collection.TraversableOnce$class.mkString(TraversableOnce.scala:286) at scala.collection.AbstractTraversable.mkString(Traversable.scala:105) at scala.collection.TraversableLike$class.toString(TraversableLike.scala:639) at scala.collection.SeqLike$class.toString(SeqLike.scala:646) at scala.collection.AbstractSeq.toString(Seq.scala:40) at java.lang.String.valueOf(String.java:2847) at scala.collection.mutable.StringBuilder.append(StringBuilder.scala:197) at scala.reflect.internal.Symbols$Symbol.suchThat(Symbols.scala:1678) at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:44) at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:61) at scala.reflect.internal.Mirrors$RootsBase.staticModuleOrClass(Mirrors.scala:72) at scala.reflect.internal.Mirrors$RootsBase.staticModule(Mirrors.scala:161) at scala.reflect.internal.Mirrors$RootsBase.staticModule(Mirrors.scala:21) at $line23.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anon$1$$typecreator1$1.apply(<console>:55) at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe$lzycompute(TypeTags.scala:231) at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe(TypeTags.scala:231) at com.datastax.spark.connector.rdd.reader.LowPriorityRowReaderFactoryImplicits$$typecreator1$1.apply(RowReaderFactory.scala:46) at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe$lzycompute(TypeTags.scala:231) at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe(TypeTags.scala:231) at com.datastax.spark.connector.rdd.reader.AnyObjectFactory.<init>(AnyObjectFactory.scala:22) at com.datastax.spark.connector.rdd.reader.ClassBasedRowReader.<init>(ClassBasedRowReader.scala:21) at com.datastax.spark.connector.rdd.reader.ClassBasedRowReaderFactory.rowReader(ClassBasedRowReader.scala:147) at com.datastax.spark.connector.rdd.reader.ClassBasedRowReaderFactory.rowReader(ClassBasedRowReader.scala:145) at com.datastax.spark.connector.rdd.CassandraTableRowReaderProvider$class.rowReader(CassandraTableRowReaderProvider.scala:46) at com.datastax.spark.connector.rdd.CassandraTableScanRDD.rowReader$lzycompute(CassandraTableScanRDD.scala:56) at com.datastax.spark.connector.rdd.CassandraTableScanRDD.rowReader(CassandraTableScanRDD.scala:56) at com.datastax.spark.connector.rdd.CassandraTableRowReaderProvider$class.verify(CassandraTableRowReaderProvider.scala:163) at com.datastax.spark.connector.rdd.CassandraTableScanRDD.verify(CassandraTableScanRDD.scala:56) at com.datastax.spark.connector.rdd.CassandraTableScanRDD.getPartitions(CassandraTableScanRDD.scala:115) at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:222) at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:220) at scala.Option.getOrElse(Option.scala:120) at org.apache.spark.rdd.RDD.partitions(RDD.scala:220) at org.apache.spark.SparkContext.runJob(SparkContext.scala:1367) at org.apache.spark.rdd.RDD.collect(RDD.scala:797) at $line23.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anon$1.run(<console>:55) at java.lang.Thread.run(Thread.java:745) {code}

    DataStax JIRA | 2 years ago | Russell Spitzer
    scala.reflect.runtime.ReflectError: value reflect is not a package
  2. 0

    Running a small multithreaded example like {code} scala> val thread1 = new Thread(new Runnable { def run() { println(sc.cassandraTable[(Int, String)]("multi_threaded", "test").collect.size) } }) thread1: Thread = Thread[Thread-38,5,main] scala> val thread2 = new Thread(new Runnable { def run() { println(sc.cassandraTable[(Int, String)]("multi_threaded", "test").collect.size) } }) thread2: Thread = Thread[Thread-39,5,main] scala> thread1.start; thread2.start {code} Generates a reflection exception {code} scala.reflect.runtime.ReflectError: value reflect is not a package at scala.reflect.runtime.JavaMirrors$JavaMirror.scala$reflect$runtime$JavaMirrors$$makeScalaPackage(JavaMirrors.scala:912) at scala.reflect.runtime.JavaMirrors$class.missingHook(JavaMirrors.scala:1296) at scala.reflect.runtime.JavaUniverse.missingHook(JavaUniverse.scala:12) at scala.reflect.internal.Mirrors$RootsBase.universeMissingHook(Mirrors.scala:77) at scala.reflect.internal.Mirrors$RootsBase.missingHook(Mirrors.scala:79) at scala.reflect.internal.pickling.UnPickler$Scan.readExtSymbol$1(UnPickler.scala:226) at scala.reflect.internal.pickling.UnPickler$Scan.readSymbol(UnPickler.scala:250) at scala.reflect.internal.pickling.UnPickler$Scan.readSymbolRef(UnPickler.scala:783) at scala.reflect.internal.pickling.UnPickler$Scan.readExtSymbol$1(UnPickler.scala:200) at scala.reflect.internal.pickling.UnPickler$Scan.readSymbol(UnPickler.scala:250) at scala.reflect.internal.pickling.UnPickler$Scan.readSymbolRef(UnPickler.scala:783) at scala.reflect.internal.pickling.UnPickler$Scan.readType(UnPickler.scala:346) at scala.reflect.internal.pickling.UnPickler$Scan$$anonfun$readTypeRef$1.apply(UnPickler.scala:792) at scala.reflect.internal.pickling.UnPickler$Scan$$anonfun$readTypeRef$1.apply(UnPickler.scala:792) at scala.reflect.internal.pickling.UnPickler$Scan.at(UnPickler.scala:171) at scala.reflect.internal.pickling.UnPickler$Scan.readTypeRef(UnPickler.scala:792) at scala.reflect.internal.pickling.UnPickler$Scan.readType(UnPickler.scala:366) at scala.reflect.internal.pickling.UnPickler$Scan$LazyTypeRef$$anonfun$34.apply(UnPickler.scala:855) at scala.reflect.internal.pickling.UnPickler$Scan$LazyTypeRef$$anonfun$34.apply(UnPickler.scala:855) at scala.reflect.internal.pickling.UnPickler$Scan.at(UnPickler.scala:171) at scala.reflect.internal.pickling.UnPickler$Scan$LazyTypeRef.complete(UnPickler.scala:855) at scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1231) at scala.reflect.internal.Symbols$Symbol.initialize(Symbols.scala:1374) at scala.reflect.internal.Symbols$Symbol.annotations(Symbols.scala:1581) at scala.reflect.internal.Symbols$Symbol.addAnnotation(Symbols.scala:1600) at scala.reflect.internal.pickling.UnPickler$Scan.readSymbolAnnotation(UnPickler.scala:491) at scala.reflect.internal.pickling.UnPickler$Scan.run(UnPickler.scala:88) at scala.reflect.internal.pickling.UnPickler.unpickle(UnPickler.scala:37) at scala.reflect.runtime.JavaMirrors$JavaMirror.unpickleClass(JavaMirrors.scala:565) at scala.reflect.runtime.SymbolLoaders$TopClassCompleter.complete(SymbolLoaders.scala:32) at scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1231) at scala.reflect.internal.Symbols$Symbol.initialize(Symbols.scala:1374) at scala.reflect.internal.Symbols$Symbol.hasFlag(Symbols.scala:607) at scala.reflect.internal.Symbols$TermSymbol.isTermMacro(Symbols.scala:2453) at scala.reflect.internal.Symbols$Symbol.symbolKind(Symbols.scala:2263) at scala.reflect.internal.Symbols$Symbol.sanitizedKindString(Symbols.scala:2297) at scala.reflect.internal.Symbols$Symbol.kindString(Symbols.scala:2305) at scala.reflect.internal.Symbols$Symbol.toString(Symbols.scala:2350) at java.lang.String.valueOf(String.java:2847) at scala.collection.mutable.StringBuilder.append(StringBuilder.scala:197) at scala.collection.TraversableOnce$$anonfun$addString$1.apply(TraversableOnce.scala:322) at scala.collection.immutable.List.foreach(List.scala:318) at scala.collection.TraversableOnce$class.addString(TraversableOnce.scala:320) at scala.collection.AbstractTraversable.addString(Traversable.scala:105) at scala.collection.TraversableOnce$class.mkString(TraversableOnce.scala:286) at scala.collection.AbstractTraversable.mkString(Traversable.scala:105) at scala.collection.TraversableLike$class.toString(TraversableLike.scala:639) at scala.collection.SeqLike$class.toString(SeqLike.scala:646) at scala.collection.AbstractSeq.toString(Seq.scala:40) at java.lang.String.valueOf(String.java:2847) at scala.collection.mutable.StringBuilder.append(StringBuilder.scala:197) at scala.reflect.internal.Symbols$Symbol.suchThat(Symbols.scala:1678) at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:44) at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:61) at scala.reflect.internal.Mirrors$RootsBase.staticModuleOrClass(Mirrors.scala:72) at scala.reflect.internal.Mirrors$RootsBase.staticModule(Mirrors.scala:161) at scala.reflect.internal.Mirrors$RootsBase.staticModule(Mirrors.scala:21) at $line23.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anon$1$$typecreator1$1.apply(<console>:55) at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe$lzycompute(TypeTags.scala:231) at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe(TypeTags.scala:231) at com.datastax.spark.connector.rdd.reader.LowPriorityRowReaderFactoryImplicits$$typecreator1$1.apply(RowReaderFactory.scala:46) at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe$lzycompute(TypeTags.scala:231) at scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe(TypeTags.scala:231) at com.datastax.spark.connector.rdd.reader.AnyObjectFactory.<init>(AnyObjectFactory.scala:22) at com.datastax.spark.connector.rdd.reader.ClassBasedRowReader.<init>(ClassBasedRowReader.scala:21) at com.datastax.spark.connector.rdd.reader.ClassBasedRowReaderFactory.rowReader(ClassBasedRowReader.scala:147) at com.datastax.spark.connector.rdd.reader.ClassBasedRowReaderFactory.rowReader(ClassBasedRowReader.scala:145) at com.datastax.spark.connector.rdd.CassandraTableRowReaderProvider$class.rowReader(CassandraTableRowReaderProvider.scala:46) at com.datastax.spark.connector.rdd.CassandraTableScanRDD.rowReader$lzycompute(CassandraTableScanRDD.scala:56) at com.datastax.spark.connector.rdd.CassandraTableScanRDD.rowReader(CassandraTableScanRDD.scala:56) at com.datastax.spark.connector.rdd.CassandraTableRowReaderProvider$class.verify(CassandraTableRowReaderProvider.scala:163) at com.datastax.spark.connector.rdd.CassandraTableScanRDD.verify(CassandraTableScanRDD.scala:56) at com.datastax.spark.connector.rdd.CassandraTableScanRDD.getPartitions(CassandraTableScanRDD.scala:115) at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:222) at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:220) at scala.Option.getOrElse(Option.scala:120) at org.apache.spark.rdd.RDD.partitions(RDD.scala:220) at org.apache.spark.SparkContext.runJob(SparkContext.scala:1367) at org.apache.spark.rdd.RDD.collect(RDD.scala:797) at $line23.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anon$1.run(<console>:55) at java.lang.Thread.run(Thread.java:745) {code}

    DataStax JIRA | 2 years ago | Russell Spitzer
    scala.reflect.runtime.ReflectError: value reflect is not a package
  3. 0

    Scala reflection with aspectj

    Google Groups | 3 years ago | Stavros Kontopoulos
    scala.reflect.runtime.ReflectError: value **** is not a package
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    error reading Scala signature

    Google Groups | 3 years ago | andreak
    scala.reflect.runtime.ReflectError: value Predef is not a package
  6. 0

    Concurreny in reflection api

    GitHub | 4 years ago | hejfelix
    java.lang.reflect.InvocationTargetException

    Root Cause Analysis

    1. scala.reflect.runtime.ReflectError

      value reflect is not a package

      at scala.reflect.runtime.JavaMirrors$JavaMirror.scala$reflect$runtime$JavaMirrors$$makeScalaPackage()
    2. Scala
      Symbols$Symbol.toString
      1. scala.reflect.runtime.JavaMirrors$JavaMirror.scala$reflect$runtime$JavaMirrors$$makeScalaPackage(JavaMirrors.scala:912)
      2. scala.reflect.runtime.JavaMirrors$class.missingHook(JavaMirrors.scala:1296)
      3. scala.reflect.runtime.JavaUniverse.missingHook(JavaUniverse.scala:12)
      4. scala.reflect.internal.Mirrors$RootsBase.universeMissingHook(Mirrors.scala:77)
      5. scala.reflect.internal.Mirrors$RootsBase.missingHook(Mirrors.scala:79)
      6. scala.reflect.internal.pickling.UnPickler$Scan.readExtSymbol$1(UnPickler.scala:226)
      7. scala.reflect.internal.pickling.UnPickler$Scan.readSymbol(UnPickler.scala:250)
      8. scala.reflect.internal.pickling.UnPickler$Scan.readSymbolRef(UnPickler.scala:783)
      9. scala.reflect.internal.pickling.UnPickler$Scan.readExtSymbol$1(UnPickler.scala:200)
      10. scala.reflect.internal.pickling.UnPickler$Scan.readSymbol(UnPickler.scala:250)
      11. scala.reflect.internal.pickling.UnPickler$Scan.readSymbolRef(UnPickler.scala:783)
      12. scala.reflect.internal.pickling.UnPickler$Scan.readType(UnPickler.scala:346)
      13. scala.reflect.internal.pickling.UnPickler$Scan$$anonfun$readTypeRef$1.apply(UnPickler.scala:792)
      14. scala.reflect.internal.pickling.UnPickler$Scan$$anonfun$readTypeRef$1.apply(UnPickler.scala:792)
      15. scala.reflect.internal.pickling.UnPickler$Scan.at(UnPickler.scala:171)
      16. scala.reflect.internal.pickling.UnPickler$Scan.readTypeRef(UnPickler.scala:792)
      17. scala.reflect.internal.pickling.UnPickler$Scan.readType(UnPickler.scala:366)
      18. scala.reflect.internal.pickling.UnPickler$Scan$LazyTypeRef$$anonfun$34.apply(UnPickler.scala:855)
      19. scala.reflect.internal.pickling.UnPickler$Scan$LazyTypeRef$$anonfun$34.apply(UnPickler.scala:855)
      20. scala.reflect.internal.pickling.UnPickler$Scan.at(UnPickler.scala:171)
      21. scala.reflect.internal.pickling.UnPickler$Scan$LazyTypeRef.complete(UnPickler.scala:855)
      22. scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1231)
      23. scala.reflect.internal.Symbols$Symbol.initialize(Symbols.scala:1374)
      24. scala.reflect.internal.Symbols$Symbol.annotations(Symbols.scala:1581)
      25. scala.reflect.internal.Symbols$Symbol.addAnnotation(Symbols.scala:1600)
      26. scala.reflect.internal.pickling.UnPickler$Scan.readSymbolAnnotation(UnPickler.scala:491)
      27. scala.reflect.internal.pickling.UnPickler$Scan.run(UnPickler.scala:88)
      28. scala.reflect.internal.pickling.UnPickler.unpickle(UnPickler.scala:37)
      29. scala.reflect.runtime.JavaMirrors$JavaMirror.unpickleClass(JavaMirrors.scala:565)
      30. scala.reflect.runtime.SymbolLoaders$TopClassCompleter.complete(SymbolLoaders.scala:32)
      31. scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1231)
      32. scala.reflect.internal.Symbols$Symbol.initialize(Symbols.scala:1374)
      33. scala.reflect.internal.Symbols$Symbol.hasFlag(Symbols.scala:607)
      34. scala.reflect.internal.Symbols$TermSymbol.isTermMacro(Symbols.scala:2453)
      35. scala.reflect.internal.Symbols$Symbol.symbolKind(Symbols.scala:2263)
      36. scala.reflect.internal.Symbols$Symbol.sanitizedKindString(Symbols.scala:2297)
      37. scala.reflect.internal.Symbols$Symbol.kindString(Symbols.scala:2305)
      38. scala.reflect.internal.Symbols$Symbol.toString(Symbols.scala:2350)
      38 frames
    3. Java RT
      String.valueOf
      1. java.lang.String.valueOf(String.java:2847)
      1 frame
    4. Scala
      AbstractSeq.toString
      1. scala.collection.mutable.StringBuilder.append(StringBuilder.scala:197)
      2. scala.collection.TraversableOnce$$anonfun$addString$1.apply(TraversableOnce.scala:322)
      3. scala.collection.immutable.List.foreach(List.scala:318)
      4. scala.collection.TraversableOnce$class.addString(TraversableOnce.scala:320)
      5. scala.collection.AbstractTraversable.addString(Traversable.scala:105)
      6. scala.collection.TraversableOnce$class.mkString(TraversableOnce.scala:286)
      7. scala.collection.AbstractTraversable.mkString(Traversable.scala:105)
      8. scala.collection.TraversableLike$class.toString(TraversableLike.scala:639)
      9. scala.collection.SeqLike$class.toString(SeqLike.scala:646)
      10. scala.collection.AbstractSeq.toString(Seq.scala:40)
      10 frames
    5. Java RT
      String.valueOf
      1. java.lang.String.valueOf(String.java:2847)
      1 frame
    6. Scala
      StringBuilder.append
      1. scala.collection.mutable.StringBuilder.append(StringBuilder.scala:197)
      1 frame
    7. Scala
      Mirrors$RootsBase.staticModule
      1. scala.reflect.internal.Symbols$Symbol.suchThat(Symbols.scala:1678)
      2. scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:44)
      3. scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:61)
      4. scala.reflect.internal.Mirrors$RootsBase.staticModuleOrClass(Mirrors.scala:72)
      5. scala.reflect.internal.Mirrors$RootsBase.staticModule(Mirrors.scala:161)
      6. scala.reflect.internal.Mirrors$RootsBase.staticModule(Mirrors.scala:21)
      6 frames
    8. $line23
      $read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anon$1$$typecreator1$1.apply
      1. $line23.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anon$1$$typecreator1$1.apply(<console>:55)
      1 frame
    9. Scala
      TypeTags$WeakTypeTagImpl.tpe
      1. scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe$lzycompute(TypeTags.scala:231)
      2. scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe(TypeTags.scala:231)
      2 frames
    10. spark-cassandra-connector
      LowPriorityRowReaderFactoryImplicits$$typecreator1$1.apply
      1. com.datastax.spark.connector.rdd.reader.LowPriorityRowReaderFactoryImplicits$$typecreator1$1.apply(RowReaderFactory.scala:46)
      1 frame
    11. Scala
      TypeTags$WeakTypeTagImpl.tpe
      1. scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe$lzycompute(TypeTags.scala:231)
      2. scala.reflect.api.TypeTags$WeakTypeTagImpl.tpe(TypeTags.scala:231)
      2 frames
    12. spark-cassandra-connector
      CassandraTableScanRDD.getPartitions
      1. com.datastax.spark.connector.rdd.reader.AnyObjectFactory.<init>(AnyObjectFactory.scala:22)
      2. com.datastax.spark.connector.rdd.reader.ClassBasedRowReader.<init>(ClassBasedRowReader.scala:21)
      3. com.datastax.spark.connector.rdd.reader.ClassBasedRowReaderFactory.rowReader(ClassBasedRowReader.scala:147)
      4. com.datastax.spark.connector.rdd.reader.ClassBasedRowReaderFactory.rowReader(ClassBasedRowReader.scala:145)
      5. com.datastax.spark.connector.rdd.CassandraTableRowReaderProvider$class.rowReader(CassandraTableRowReaderProvider.scala:46)
      6. com.datastax.spark.connector.rdd.CassandraTableScanRDD.rowReader$lzycompute(CassandraTableScanRDD.scala:56)
      7. com.datastax.spark.connector.rdd.CassandraTableScanRDD.rowReader(CassandraTableScanRDD.scala:56)
      8. com.datastax.spark.connector.rdd.CassandraTableRowReaderProvider$class.verify(CassandraTableRowReaderProvider.scala:163)
      9. com.datastax.spark.connector.rdd.CassandraTableScanRDD.verify(CassandraTableScanRDD.scala:56)
      10. com.datastax.spark.connector.rdd.CassandraTableScanRDD.getPartitions(CassandraTableScanRDD.scala:115)
      10 frames
    13. Spark
      RDD$$anonfun$partitions$2.apply
      1. org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:222)
      2. org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:220)
      2 frames
    14. Scala
      Option.getOrElse
      1. scala.Option.getOrElse(Option.scala:120)
      1 frame
    15. Spark
      RDD.collect
      1. org.apache.spark.rdd.RDD.partitions(RDD.scala:220)
      2. org.apache.spark.SparkContext.runJob(SparkContext.scala:1367)
      3. org.apache.spark.rdd.RDD.collect(RDD.scala:797)
      3 frames
    16. $line23
      $read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anon$1.run
      1. $line23.$read$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$iwC$$anon$1.run(<console>:55)
      1 frame
    17. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame