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.kafka.KafkaRDDSuite.beforeAll(KafkaRDDSuite.scala:38)
	at org.scalatest.BeforeAndAfterAll$class.beforeAll(BeforeAndAfterAll.scala:187)
	at org.apache.spark.SparkFunSuite.beforeAll(SparkFunSuite.scala:31)
	at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:253)
	at org.apache.spark.SparkFunSuite.run(SparkFunSuite.scala:31)
	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)
	... 15 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)
	... 24 more