What I had to do was implementing the following in my Build.scala
// sbteclipse rewrite rules
object ClasspathentryRewriteRule extends RewriteRule {
override def transform(parent: Node): Seq[Node] = {
parent match {
case c @ <classpathentry/> if (c \ "@path").toString().endsWith("SCALA_CONTAINER") =>
val home = System.getProperty("user.home")
val base = s"""$home\\.ivy2\\cache\\org.scala-lang\\scala-library"""
val srcPath = s"""${base}\\srcs\\scala-library-${D.scalaVersion}-sources.jar"""
val path = s"""${base}\\jars\\scala-library-${D.scalaVersion}.jar"""
<classpathentry sourcepath={ srcPath } kind="lib" path={ path }/>
case other => other
}
}
}
// sbteclipse transformer
object ClasspathentryTransformer extends EclipseTransformerFactory[RewriteRule] {
override def createTransformer(ref: ProjectRef, state: State): Validation[RewriteRule] = {
ClasspathentryRewriteRule.success
}
}
In the setting the following code completed the job:
....
EclipseKeys.classpathTransformerFactories := Seq(ClasspathentryTransformer)
....