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:82) org.apache.spark.streaming.StreamingContext$.createNewSparkContext(StreamingContext.scala:878) org.apache.spark.streaming.StreamingContext.<init>(StreamingContext.scala:97) org.apache.spark.streaming.mqtt.MQTTStreamSuite$$anonfun$1.apply$mcV$sp(MQTTStreamSuite.scala:41) org.apache.spark.streaming.mqtt.MQTTStreamSuite$$anonfun$1.apply(MQTTStreamSuite.scala:40) org.apache.spark.streaming.mqtt.MQTTStreamSuite$$anonfun$1.apply(MQTTStreamSuite.scala:40) org.scalatest.BeforeAndAfter$class.runTest(BeforeAndAfter.scala:195) org.apache.spark.streaming.mqtt.MQTTStreamSuite.runTest(MQTTStreamSuite.scala:30) org.scalatest.FunSuiteLike$$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$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401) scala.collection.immutable.List.foreach(List.scala:318) org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401) org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396) org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483) org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208) org.scalatest.FunSuite.runTests(FunSuite.scala:1555) org.scalatest.Suite$class.run(Suite.scala:1424) org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555)
sbt.ForkMain$ForkError: org.apache.spark.SparkException: Only one SparkContext may be running in this JVM (see SPARK-2243). To ignore this error, set spark.driver.allowMultipleContexts = true. The currently running SparkContext was created at:
org.apache.spark.SparkContext.<init>(SparkContext.scala:82)
org.apache.spark.streaming.StreamingContext$.createNewSparkContext(StreamingContext.scala:878)
org.apache.spark.streaming.StreamingContext.<init>(StreamingContext.scala:97)
org.apache.spark.streaming.mqtt.MQTTStreamSuite$$anonfun$1.apply$mcV$sp(MQTTStreamSuite.scala:41)
org.apache.spark.streaming.mqtt.MQTTStreamSuite$$anonfun$1.apply(MQTTStreamSuite.scala:40)
org.apache.spark.streaming.mqtt.MQTTStreamSuite$$anonfun$1.apply(MQTTStreamSuite.scala:40)
org.scalatest.BeforeAndAfter$class.runTest(BeforeAndAfter.scala:195)
org.apache.spark.streaming.mqtt.MQTTStreamSuite.runTest(MQTTStreamSuite.scala:30)
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)
scala.collection.immutable.List.foreach(List.scala:318)
org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396)
org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483)
org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208)
org.scalatest.FunSuite.runTests(FunSuite.scala:1555)
org.scalatest.Suite$class.run(Suite.scala:1424)
org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555)
at org.apache.spark.SparkContext$$anonfun$assertNoOtherContextIsRunning$1.apply(SparkContext.scala:2141)
at org.apache.spark.SparkContext$$anonfun$assertNoOtherContextIsRunning$1.apply(SparkContext.scala:2123)
at scala.Option.foreach(Option.scala:236)
at org.apache.spark.SparkContext$.assertNoOtherContextIsRunning(SparkContext.scala:2123)
at org.apache.spark.SparkContext$.setActiveContext(SparkContext.scala:2209)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:2081)
at org.apache.spark.streaming.StreamingContext$.createNewSparkContext(StreamingContext.scala:866)
at org.apache.spark.streaming.StreamingContext.<init>(StreamingContext.scala:81)
at org.apache.spark.streaming.api.java.JavaStreamingContext.<init>(JavaStreamingContext.scala:139)
at org.apache.spark.streaming.LocalJavaStreamingContext.setUp(LocalJavaStreamingContext.java:35)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
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:271)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.junit.runners.Suite.runChild(Suite.java:127)
at org.junit.runners.Suite.runChild(Suite.java:26)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
at org.junit.runner.JUnitCore.run(JUnitCore.java:138)
at com.novocode.junit.JUnitRunner$1.execute(JUnitRunner.java:132)
at sbt.ForkMain$Run$2.call(ForkMain.java:296)
at sbt.ForkMain$Run$2.call(ForkMain.java:286)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)