Ich habe eine einfache Scala-Objektdatei mit folgendem Inhalt:

import org.apache.spark.SparkContext  
import org.apache.spark.SparkContext._ 
import org.apache.spark.SparkConf  


object X { 
      def main(args: Array[String]) {

        val params = Map[String, String](
            "abc" -> "22",)
      println("Creating Spark Configuration");
      val conf = new SparkConf().setAppName("X")
      val sc = new SparkContext(conf)
      val txtFileLines = sc.textFile("/tmp/x.txt", 2).cache()
      val count = txtFileLines.count()
      println("Count" + count)
    }
}

Meine build.sbt sieht so aus:

name := "x"

version := "1.0"

scalaVersion := "2.11.7"

libraryDependencies += "org.apache.spark" %% "spark-core" % "1.5.2" % "provided"

Ich dann tun sbt Paket zu erstellenx.jar untertarget/scala-2.11/

Wenn ich den obigen Code ausführe als:spark-submit --class X --master local[2] x.jar Ich erhalte den folgenden Fehler:

Creating Spark Configuration
Exception in thread "main" java.lang.NoSuchMethodError: scala.Predef$.ArrowAssoc(Ljava/lang/Object;)Ljava/lang/Object;
    at Sweeper$.main(Sweeper.scala:14)
    at Sweeper.main(Sweeper.scala)
    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:498)
    at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$runMain(SparkSubmit.scala:674)
    at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:180)
    at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:205)
    at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:120)
    at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)