Exception with sample testing in Intellij IDE:
Exception in thread "main" java.lang.NoClassDefFoundError:
scala/collection/GenTraversableOnce$class
at akka.util.Collections$EmptyImmutableSeq$.<init>(Collections.scala:15)
at akka.util.Collections$EmptyImmutableSeq$.<clinit>(Collections.scala)
at akka.japi.Util$.immutableSeq(JavaAPI.scala:229)
at akka.remote.RemoteSettings.<init>(RemoteSettings.scala:30)
at
akka.remote.RemoteActorRefProvider.<init>(RemoteActorRefProvider.scala:114)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at
akka.actor.ReflectiveDynamicAccess$$anonfun$createInstanceFor$2.apply(DynamicAccess.scala:78)
at scala.util.Try$.apply(Try.scala:191)
at
akka.actor.ReflectiveDynamicAccess.createInstanceFor(DynamicAccess.scala:73)
at
akka.actor.ReflectiveDynamicAccess$$anonfun$createInstanceFor$3.apply(DynamicAccess.scala:84)
at
akka.actor.ReflectiveDynamicAccess$$anonfun$createInstanceFor$3.apply(DynamicAccess.scala:84)
at scala.util.Success.flatMap(Try.scala:230)
at
akka.actor.ReflectiveDynamicAccess.createInstanceFor(DynamicAccess.scala:84)
at akka.actor.ActorSystemImpl.liftedTree1$1(ActorSystem.scala:584)
at akka.actor.ActorSystemImpl.<init>(ActorSystem.scala:577)
at akka.actor.ActorSystem$.apply(ActorSystem.scala:141)
at akka.actor.ActorSystem$.apply(ActorSystem.scala:118)
at
org.apache.spark.util.AkkaUtils$.org$apache$spark$util$AkkaUtils$$doCreateActorSystem(AkkaUtils.scala:122)
at org.apache.spark.util.AkkaUtils$$anonfun$1.apply(AkkaUtils.scala:55)
at org.apache.spark.util.AkkaUtils$$anonfun$1.apply(AkkaUtils.scala:54)
at
org.apache.spark.util.Utils$$anonfun$startServiceOnPort$1.apply$mcVI$sp(Utils.scala:1837)
at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:166)
at org.apache.spark.util.Utils$.startServiceOnPort(Utils.scala:1828)
at org.apache.spark.util.AkkaUtils$.createActorSystem(AkkaUtils.scala:57)
at org.apache.spark.SparkEnv$.create(SparkEnv.scala:223)
at org.apache.spark.SparkEnv$.createDriverEnv(SparkEnv.scala:163)
at org.apache.spark.SparkContext.createSparkEnv(SparkContext.scala:269)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:272)
*at Testspark$.main(Testspark.scala:17)*
at Testspark.main(Testspark.scala)
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 com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Caused by: java.lang.ClassNotFoundException:
scala.collection.GenTraversableOnce$class
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 38 more
*Code is Testspark.scala-*
/**
* Created by anshushukla on 07/05/15.
*/
import org.apache.spark.{SparkConf, SparkContext}
object Testspark {
def main (args: Array[String]) {
val conf=new SparkConf()
.setMaster("local[2]")
.setAppName("TestSpark")
val sc=new SparkContext(conf)//line number 17 showing exception
val data=sc.parallelize(1 to 1000000000).collect().filter(_<1000)
data.foreach(println)
}
}
*build.sbt is -*
name := "scala-test-workspace"
version := "1.0"
scalaVersion := "2.11.6"
libraryDependencies += "org.apache.spark" % "spark-streaming_2.10" % "1.3.1"
--
Thanks & Regards,
Anshu Shukla
Indian Institute of Science
