sbt.ForkMain$ForkError: java.lang.ExceptionInInitializerError: null

sbt.ForkMain$ForkError: sbt.ForkMain$ForkError: java.lang.ExceptionInInitializerError: null
	at org.apache.spark.SparkConf.validateSettings(SparkConf.scala:546)
	at org.apache.spark.SparkContext.<init>(SparkContext.scala:374)
	at org.apache.spark.streaming.StreamingContext$.createNewSparkContext(StreamingContext.scala:839)
	at org.apache.spark.streaming.StreamingContext.<init>(StreamingContext.scala:85)
	at org.apache.spark.streaming.flume.FlumeStreamSuite.startContext(FlumeStreamSuite.scala:82)
	at org.apache.spark.streaming.flume.FlumeStreamSuite.org$apache$spark$streaming$flume$FlumeStreamSuite$$testFlumeStream(FlumeStreamSuite.scala:56)
	at org.apache.spark.streaming.flume.FlumeStreamSuite$$anonfun$1.apply$mcV$sp(FlumeStreamSuite.scala:44)
	at org.apache.spark.streaming.flume.FlumeStreamSuite$$anonfun$1.apply(FlumeStreamSuite.scala:44)
	at org.apache.spark.streaming.flume.FlumeStreamSuite$$anonfun$1.apply(FlumeStreamSuite.scala:44)
	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.streaming.flume.FlumeStreamSuite.org$scalatest$BeforeAndAfter$$super$runTest(FlumeStreamSuite.scala:39)
	at org.scalatest.BeforeAndAfter$class.runTest(BeforeAndAfter.scala:200)
	at org.apache.spark.streaming.flume.FlumeStreamSuite.runTest(FlumeStreamSuite.scala:39)
	at org.scalatest.FunSuiteLike$$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.streaming.flume.FlumeStreamSuite.org$scalatest$BeforeAndAfter$$super$run(FlumeStreamSuite.scala:39)
	at org.scalatest.BeforeAndAfter$class.run(BeforeAndAfter.scala:241)
	at org.apache.spark.streaming.flume.FlumeStreamSuite.run(FlumeStreamSuite.scala:39)
	at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:357)
	at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:502)
	at sbt.ForkMain$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)
Caused by: sbt.ForkMain$ForkError: sbt.ForkMain$ForkError: java.net.UnknownHostException: amp-jenkins-worker-05: amp-jenkins-worker-05: unknown error
	at java.net.InetAddress.getLocalHost(InetAddress.java:1505)
	at org.apache.spark.util.Utils$.findLocalInetAddress(Utils.scala:891)
	at org.apache.spark.util.Utils$.org$apache$spark$util$Utils$$localIpAddress$lzycompute(Utils.scala:884)
	at org.apache.spark.util.Utils$.org$apache$spark$util$Utils$$localIpAddress(Utils.scala:884)
	at org.apache.spark.util.Utils$$anonfun$localHostName$1.apply(Utils.scala:941)
	at org.apache.spark.util.Utils$$anonfun$localHostName$1.apply(Utils.scala:941)
	at scala.Option.getOrElse(Option.scala:121)
	at org.apache.spark.util.Utils$.localHostName(Utils.scala:941)
	at org.apache.spark.internal.config.package$.<init>(package.scala:212)
	at org.apache.spark.internal.config.package$.<clinit>(package.scala)
	... 54 more
Caused by: sbt.ForkMain$ForkError: sbt.ForkMain$ForkError: java.net.UnknownHostException: amp-jenkins-worker-05: unknown error
	at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
	at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
	at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
	at java.net.InetAddress.getLocalHost(InetAddress.java:1500)
	... 63 more