Only one SparkContext may be running in this JVM (see SPARK-2243). To ignore this error, set spark.driver.allowMultipleContexts = true. The currently running SparkContext was created at:
org.apache.spark.ShuffleSuite$$anonfun$3.apply(ShuffleSuite.scala:82)
org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
org.scalatest.Transformer.apply(Transformer.scala:22)
org.scalatest.Transformer.apply(Transformer.scala:20)
org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:166)
org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:68)
org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)
org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175)
org.apache.spark.ShuffleSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(ShuffleSuite.scala:34)
org.scalatest.BeforeAndAfterEach$class.runTest(BeforeAndAfterEach.scala:255)
org.apache.spark.ShuffleSuite.runTest(ShuffleSuite.scala:34)
org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413)
org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401)


      org.apache.spark.SparkException: Only one SparkContext may be running in this JVM (see SPARK-2243). To ignore this error, set spark.driver.allowMultipleContexts = true. The currently running SparkContext was created at:
org.apache.spark.ShuffleSuite$$anonfun$3.apply(ShuffleSuite.scala:82)
org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
org.scalatest.Transformer.apply(Transformer.scala:22)
org.scalatest.Transformer.apply(Transformer.scala:20)
org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:166)
org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:68)
org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)
org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175)
org.apache.spark.ShuffleSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(ShuffleSuite.scala:34)
org.scalatest.BeforeAndAfterEach$class.runTest(BeforeAndAfterEach.scala:255)
org.apache.spark.ShuffleSuite.runTest(ShuffleSuite.scala:34)
org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413)
org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401)
      at org.apache.spark.SparkContext$$anonfun$assertNoOtherContextIsRunning$2.apply(SparkContext.scala:2281)
      at org.apache.spark.SparkContext$$anonfun$assertNoOtherContextIsRunning$2.apply(SparkContext.scala:2277)
      at scala.Option.foreach(Option.scala:257)
      at org.apache.spark.SparkContext$.assertNoOtherContextIsRunning(SparkContext.scala:2277)
      at org.apache.spark.SparkContext$.markPartiallyConstructed(SparkContext.scala:2356)
      at org.apache.spark.SparkContext.<init>(SparkContext.scala:85)
      at org.apache.spark.SparkContext.<init>(SparkContext.scala:127)
      at org.apache.spark.ShuffleSuite$$anonfun$21.apply$mcV$sp(ShuffleSuite.scala:339)
      at org.apache.spark.ShuffleSuite$$anonfun$21.apply(ShuffleSuite.scala:338)
      at org.apache.spark.ShuffleSuite$$anonfun$21.apply(ShuffleSuite.scala:338)
      at org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
      at org.scalatest.OutcomeOf$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$$anon$1.apply(FunSuiteLike.scala:166)
      at org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:68)
      at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)
      at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
      at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
      at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
      at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175)
      at org.apache.spark.ShuffleSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(ShuffleSuite.scala:34)
      at org.scalatest.BeforeAndAfterEach$class.runTest(BeforeAndAfterEach.scala:255)
      at org.apache.spark.ShuffleSuite.runTest(ShuffleSuite.scala:34)
      at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
      at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
      at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413)
      at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401)
      at scala.collection.immutable.List.foreach(List.scala:381)
      at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
      at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396)
      at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483)
      at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208)
      at org.scalatest.FunSuite.runTests(FunSuite.scala:1555)
      at org.scalatest.Suite$class.run(Suite.scala:1424)
      at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555)
      at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
      at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
      at org.scalatest.SuperEngine.runImpl(Engine.scala:545)
      at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212)
      at org.apache.spark.SparkFunSuite.org$scalatest$BeforeAndAfterAll$$super$run(SparkFunSuite.scala:31)
      at org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:257)
      at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:256)
      at org.apache.spark.SparkFunSuite.run(SparkFunSuite.scala:31)
      at org.scalatest.Suite$class.callExecuteOnSuite$1(Suite.scala:1492)
      at org.scalatest.Suite$$anonfun$runNestedSuites$1.apply(Suite.scala:1528)
      at org.scalatest.Suite$$anonfun$runNestedSuites$1.apply(Suite.scala:1526)
      at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
      at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
      at org.scalatest.Suite$class.runNestedSuites(Suite.scala:1526)
      at org.scalatest.tools.DiscoverySuite.runNestedSuites(DiscoverySuite.scala:29)
      at org.scalatest.Suite$class.run(Suite.scala:1421)
      at org.scalatest.tools.DiscoverySuite.run(DiscoverySuite.scala:29)
      at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:55)
      at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$3.apply(Runner.scala:2563)
      at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$3.apply(Runner.scala:2557)
      at scala.collection.immutable.List.foreach(List.scala:381)
      at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:2557)
      at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1044)
      at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1043)
      at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:2722)
      at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1043)
      at org.scalatest.tools.Runner$.main(Runner.scala:860)
      at org.scalatest.tools.Runner.main(Runner.scala)