Hi Spark 1.2.1 uses Scala 2.10. Because of this, your program fails with scala 2.11
Regards On Thu, Mar 19, 2015 at 8:17 PM, Vijayasarathy Kannan <kvi...@vt.edu> wrote: > My current simple.sbt is > > name := "SparkEpiFast" > > version := "1.0" > > scalaVersion := "2.11.4" > > libraryDependencies += "org.apache.spark" % "spark-core_2.11" % "1.2.1" % > "provided" > > libraryDependencies += "org.apache.spark" % "spark-graphx_2.11" % "1.2.1" > % "provided" > > While I do "sbt package", it compiles successfully. But while running the > application, I get > "Exception in thread "main" java.lang.NoSuchMethodError: > scala.Predef$.ArrowAssoc(Ljava/lang/Object;)Ljava/lang/Object;" > > However, changing the scala version to 2.10.4 and updating the dependency > lines appropriately resolves the issue (no exception). > > Could anyone please point out what I am doing wrong? > -- Saludos. Miguel Ángel