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.SparkContext.<init>(SparkContext.scala:127) org.apache.spark.deploy.LogUrlsStandaloneSuite.$anonfun$new$5(LogUrlsStandaloneSuite.scala:59) scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12) org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85) org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83) org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104) org.scalatest.Transformer.apply(Transformer.scala:22) org.scalatest.Transformer.apply(Transformer.scala:20) org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186) org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:103) org.scalatest.FunSuiteLike.invokeWithFixture$1(FunSuiteLike.scala:184) org.scalatest.FunSuiteLike.$anonfun$runTest$1(FunSuiteLike.scala:196) org.scalatest.SuperEngine.runTestImpl(Engine.scala:289) org.scalatest.FunSuiteLike.runTest(FunSuiteLike.scala:196) org.scalatest.FunSuiteLike.runTest$(FunSuiteLike.scala:178) org.apache.spark.deploy.LogUrlsStandaloneSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(LogUrlsStandaloneSuite.scala:30) org.scalatest.BeforeAndAfterEach.runTest(BeforeAndAfterEach.scala:221) org.scalatest.BeforeAndAfterEach.runTest$(BeforeAndAfterEach.scala:214) org.apache.spark.deploy.LogUrlsStandaloneSuite.runTest(LogUrlsStandaloneSuite.scala:30) org.scalatest.FunSuiteLike.$anonfun$runTests$1(FunSuiteLike.scala:229)

sbt.ForkMain$ForkError: org.apache.spark.SparkException: Only one SparkContext may be running in this JVM (see SPARK-2243). To ignore this error, set spark.driver.allowMultipleContexts = true. The currently running SparkContext was created at:
org.apache.spark.SparkContext.<init>(SparkContext.scala:127)
org.apache.spark.deploy.LogUrlsStandaloneSuite.$anonfun$new$5(LogUrlsStandaloneSuite.scala:59)
scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
org.scalatest.Transformer.apply(Transformer.scala:22)
org.scalatest.Transformer.apply(Transformer.scala:20)
org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186)
org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:103)
org.scalatest.FunSuiteLike.invokeWithFixture$1(FunSuiteLike.scala:184)
org.scalatest.FunSuiteLike.$anonfun$runTest$1(FunSuiteLike.scala:196)
org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)
org.scalatest.FunSuiteLike.runTest(FunSuiteLike.scala:196)
org.scalatest.FunSuiteLike.runTest$(FunSuiteLike.scala:178)
org.apache.spark.deploy.LogUrlsStandaloneSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(LogUrlsStandaloneSuite.scala:30)
org.scalatest.BeforeAndAfterEach.runTest(BeforeAndAfterEach.scala:221)
org.scalatest.BeforeAndAfterEach.runTest$(BeforeAndAfterEach.scala:214)
org.apache.spark.deploy.LogUrlsStandaloneSuite.runTest(LogUrlsStandaloneSuite.scala:30)
org.scalatest.FunSuiteLike.$anonfun$runTests$1(FunSuiteLike.scala:229)
	at org.apache.spark.SparkContext$.$anonfun$assertNoOtherContextIsRunning$2(SparkContext.scala:2443)
	at org.apache.spark.SparkContext$.$anonfun$assertNoOtherContextIsRunning$2$adapted(SparkContext.scala:2439)
	at scala.Option.foreach(Option.scala:257)
	at org.apache.spark.SparkContext$.assertNoOtherContextIsRunning(SparkContext.scala:2439)
	at org.apache.spark.SparkContext$.markPartiallyConstructed(SparkContext.scala:2528)
	at org.apache.spark.SparkContext.<init>(SparkContext.scala:85)
	at org.apache.spark.SparkContext.<init>(SparkContext.scala:127)
	at org.apache.spark.SharedSparkContext.initializeContext(SharedSparkContext.scala:42)
	at org.apache.spark.SharedSparkContext.initializeContext$(SharedSparkContext.scala:39)
	at org.apache.spark.serializer.KryoSerializerSuite.initializeContext(KryoSerializerSuite.scala:39)
	at org.apache.spark.SharedSparkContext.beforeAll(SharedSparkContext.scala:48)
	at org.apache.spark.SharedSparkContext.beforeAll$(SharedSparkContext.scala:46)
	at org.apache.spark.serializer.UnsafeKryoSerializerSuite.beforeAll(UnsafeKryoSerializerSuite.scala:26)
	at org.scalatest.BeforeAndAfterAll.liftedTree1$1(BeforeAndAfterAll.scala:212)
	at org.scalatest.BeforeAndAfterAll.run(BeforeAndAfterAll.scala:210)
	at org.scalatest.BeforeAndAfterAll.run$(BeforeAndAfterAll.scala:208)
	at org.apache.spark.SparkFunSuite.run(SparkFunSuite.scala:52)
	at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:314)
	at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:507)
	at sbt.ForkMain$Run$2.call(ForkMain.java:296)
	at sbt.ForkMain$Run$2.call(ForkMain.java:286)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)