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.ContextCleanerSuite.$anonfun$new$23(ContextCleanerSuite.scala:322) org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85) org.scalatest.OutcomeOf.outcomeOf$(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$$anon$1.apply(FunSuiteLike.scala:186) org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:103) org.scalatest.FunSuiteLike.invokeWithFixture$1(FunSuiteLike.scala:184) org.scalatest.FunSuiteLike.$anonfun$runTest$1(FunSuiteLike.scala:196) org.scalatest.SuperEngine.runTestImpl(Engine.scala:289) org.scalatest.FunSuiteLike.runTest(FunSuiteLike.scala:196) org.scalatest.FunSuiteLike.runTest$(FunSuiteLike.scala:178) org.apache.spark.ContextCleanerSuiteBase.org$scalatest$BeforeAndAfter$$super$runTest(ContextCleanerSuite.scala:42) org.scalatest.BeforeAndAfter.runTest(BeforeAndAfter.scala:203) org.scalatest.BeforeAndAfter.runTest$(BeforeAndAfter.scala:192) org.apache.spark.ContextCleanerSuiteBase.org$scalatest$BeforeAndAfterEach$$super$runTest(ContextCleanerSuite.scala:42) org.scalatest.BeforeAndAfterEach.runTest(BeforeAndAfterEach.scala:221) org.scalatest.BeforeAndAfterEach.runTest$(BeforeAndAfterEach.scala:214) org.apache.spark.ContextCleanerSuiteBase.runTest(ContextCleanerSuite.scala:42)

sbt.ForkMain$ForkError: org.apache.spark.SparkException: Only one SparkContext may be running in this JVM (see SPARK-2243). To ignore this error, set spark.driver.allowMultipleContexts = true. The currently running SparkContext was created at:
org.apache.spark.ContextCleanerSuite.$anonfun$new$23(ContextCleanerSuite.scala:322)
org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
org.scalatest.OutcomeOf.outcomeOf$(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$$anon$1.apply(FunSuiteLike.scala:186)
org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:103)
org.scalatest.FunSuiteLike.invokeWithFixture$1(FunSuiteLike.scala:184)
org.scalatest.FunSuiteLike.$anonfun$runTest$1(FunSuiteLike.scala:196)
org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)
org.scalatest.FunSuiteLike.runTest(FunSuiteLike.scala:196)
org.scalatest.FunSuiteLike.runTest$(FunSuiteLike.scala:178)
org.apache.spark.ContextCleanerSuiteBase.org$scalatest$BeforeAndAfter$$super$runTest(ContextCleanerSuite.scala:42)
org.scalatest.BeforeAndAfter.runTest(BeforeAndAfter.scala:203)
org.scalatest.BeforeAndAfter.runTest$(BeforeAndAfter.scala:192)
org.apache.spark.ContextCleanerSuiteBase.org$scalatest$BeforeAndAfterEach$$super$runTest(ContextCleanerSuite.scala:42)
org.scalatest.BeforeAndAfterEach.runTest(BeforeAndAfterEach.scala:221)
org.scalatest.BeforeAndAfterEach.runTest$(BeforeAndAfterEach.scala:214)
org.apache.spark.ContextCleanerSuiteBase.runTest(ContextCleanerSuite.scala:42)
	at org.apache.spark.SparkContext$.$anonfun$assertNoOtherContextIsRunning$2(SparkContext.scala:2441)
	at org.apache.spark.SparkContext$.$anonfun$assertNoOtherContextIsRunning$2$adapted(SparkContext.scala:2437)
	at scala.Option.foreach(Option.scala:257)
	at org.apache.spark.SparkContext$.assertNoOtherContextIsRunning(SparkContext.scala:2437)
	at org.apache.spark.SparkContext$.markPartiallyConstructed(SparkContext.scala:2526)
	at org.apache.spark.SparkContext.<init>(SparkContext.scala:85)
	at org.apache.spark.SparkContext.<init>(SparkContext.scala:145)
	at org.apache.spark.SparkContext.<init>(SparkContext.scala:158)
	at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:63)
	at org.apache.spark.JavaJdbcRDDSuite.setUp(JavaJdbcRDDSuite.java:39)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
	at com.novocode.junit.JUnitRunner$1.execute(JUnitRunner.java:132)
	at sbt.ForkMain$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)