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.SparkContext$.getOrCreate(SparkContext.scala:2281) org.apache.spark.streaming.StreamingContext.<init>(StreamingContext.scala:140) org.apache.spark.streaming.StreamingContext$$anonfun$getOrCreate$1.apply(StreamingContext.scala:864) org.apache.spark.streaming.StreamingContext$$anonfun$getOrCreate$1.apply(StreamingContext.scala:864) scala.Option.map(Option.scala:145) org.apache.spark.streaming.StreamingContext$.getOrCreate(StreamingContext.scala:864) org.apache.spark.streaming.MasterFailureTest$.runStreams(MasterFailureTest.scala:278) org.apache.spark.streaming.MasterFailureTest$.testOperation(MasterFailureTest.scala:165) org.apache.spark.streaming.MasterFailureTest$.testUpdateStateByKey(MasterFailureTest.scala:106) org.apache.spark.streaming.FailureSuite$$anonfun$4.apply$mcV$sp(FailureSuite.scala:53) org.apache.spark.streaming.FailureSuite$$anonfun$4.apply(FailureSuite.scala:53) org.apache.spark.streaming.FailureSuite$$anonfun$4.apply(FailureSuite.scala:53) org.scalatest.Transformer$$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$1.apply(FunSuiteLike.scala:166) org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:42) org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)

sbt.ForkMain$ForkError: Only one SparkContext may be running in this JVM (see SPARK-2243). To ignore this error, set spark.driver.allowMultipleContexts = true. The currently running SparkContext was created at:
org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2281)
org.apache.spark.streaming.StreamingContext.<init>(StreamingContext.scala:140)
org.apache.spark.streaming.StreamingContext$$anonfun$getOrCreate$1.apply(StreamingContext.scala:864)
org.apache.spark.streaming.StreamingContext$$anonfun$getOrCreate$1.apply(StreamingContext.scala:864)
scala.Option.map(Option.scala:145)
org.apache.spark.streaming.StreamingContext$.getOrCreate(StreamingContext.scala:864)
org.apache.spark.streaming.MasterFailureTest$.runStreams(MasterFailureTest.scala:278)
org.apache.spark.streaming.MasterFailureTest$.testOperation(MasterFailureTest.scala:165)
org.apache.spark.streaming.MasterFailureTest$.testUpdateStateByKey(MasterFailureTest.scala:106)
org.apache.spark.streaming.FailureSuite$$anonfun$4.apply$mcV$sp(FailureSuite.scala:53)
org.apache.spark.streaming.FailureSuite$$anonfun$4.apply(FailureSuite.scala:53)
org.apache.spark.streaming.FailureSuite$$anonfun$4.apply(FailureSuite.scala:53)
org.scalatest.Transformer$$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$$anon$1.apply(FunSuiteLike.scala:166)
org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:42)
org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)
	at org.apache.spark.SparkContext$$anonfun$assertNoOtherContextIsRunning$1.apply(SparkContext.scala:2257)
	at org.apache.spark.SparkContext$$anonfun$assertNoOtherContextIsRunning$1.apply(SparkContext.scala:2239)
	at scala.Option.foreach(Option.scala:236)
	at org.apache.spark.SparkContext$.assertNoOtherContextIsRunning(SparkContext.scala:2239)
	at org.apache.spark.SparkContext$.markPartiallyConstructed(SparkContext.scala:2312)
	at org.apache.spark.SparkContext.<init>(SparkContext.scala:91)
	at org.apache.spark.streaming.rdd.MapWithStateRDDSuite.beforeAll(MapWithStateRDDSuite.scala:39)
	at org.scalatest.BeforeAndAfterAll$class.beforeAll(BeforeAndAfterAll.scala:187)
	at org.apache.spark.streaming.rdd.MapWithStateRDDSuite.beforeAll(MapWithStateRDDSuite.scala:33)
	at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:253)
	at org.apache.spark.streaming.rdd.MapWithStateRDDSuite.run(MapWithStateRDDSuite.scala:33)
	at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:462)
	at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:671)
	at sbt.ForkMain$Run$2.call(ForkMain.java:294)
	at sbt.ForkMain$Run$2.call(ForkMain.java:284)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)