Apache Spark Exception in thread “main” java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce$class

Question

Scala version:2.11.7(had to upgrade the scala verison to enable case clasess to accept more than 22 parameters.) Spark version:1.6.1 PFB pom.xml

Getting below error

Answer 1

For scala 2.12.0, you should add the following dependency to your POM.xml file, and that's it.

    org.scala-lang
    scala-library
    2.12.0-M1