sbt unresolved dependency for spark-cassandra-connector 2.0.2

Question

build.sbt:

val sparkVersion = \"2.1.1\";

libraryDependencies += \"org.apache.spark\" %% \"spark-core\" % sparkVersion % \"provided\";
libraryDependencies += \"o         


        

Answer 1

This is caused by "com.datastax.spark" % "spark-cassandra-connector" % "2.0.2"; without scala version, see maven repo:

http://search.maven.org/#artifactdetails%7Ccom.datastax.spark%7Cspark-cassandra-connector_2.11%7C2.0.2%7Cjar

There are 2 solutions for this:

1. "com.datastax.spark" % "spark-cassandra-connector_2.11" % "2.0.2" explicitly set Scala version for dependency
2. "com.datastax.spark" %% "spark-cassandra-connector" % "2.0.2", use %% with artifact id, this way, the SBT will auto base on your project's scala version to expand to the solution 1.