sbt.ForkMain$ForkError: java.lang.OutOfMemoryError: Java heap space
sbt.ForkMain$ForkError: sbt.ForkMain$ForkError: java.lang.OutOfMemoryError: Java heap space
at scala.reflect.ManifestFactory$$anon$9.newArray(Manifest.scala:117)
at scala.reflect.ManifestFactory$$anon$9.newArray(Manifest.scala:115)
at org.apache.spark.util.collection.OpenHashSet.rehash(OpenHashSet.scala:236)
at org.apache.spark.util.collection.OpenHashSet.rehashIfNeeded(OpenHashSet.scala:171)
at org.apache.spark.util.collection.OpenHashMap$mcI$sp.update$mcI$sp(OpenHashMap.scala:86)
at org.apache.spark.util.collection.OpenHashMapSuite$$anonfun$17$$anonfun$apply$4.apply$mcVI$sp(OpenHashMapSuite.scala:192)
at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:160)
at org.apache.spark.util.collection.OpenHashMapSuite$$anonfun$17.apply(OpenHashMapSuite.scala:191)
at org.apache.spark.util.collection.OpenHashMapSuite$$anonfun$17.apply(OpenHashMapSuite.scala:188)
at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
at org.scalatest.Transformer.apply(Transformer.scala:22)
at org.scalatest.Transformer.apply(Transformer.scala:20)
at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186)
at org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:103)
at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:183)
at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
at org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)
at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:196)
at org.scalatest.FunSuite.runTest(FunSuite.scala:1560)
at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:396)
at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:384)
at scala.collection.immutable.List.foreach(List.scala:392)
at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:384)
at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:379)
at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:461)
at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:229)
at org.scalatest.FunSuite.runTests(FunSuite.scala:1560)
at org.scalatest.Suite$class.run(Suite.scala:1147)