kotlin-spark-api-parent org.jetbrains.kotlinx.spark 1.0.3 pom 4.0.0 Kotlin API for Apache Spark: not-needed Module to workaround https://issues.sonatype.org/browse/NEXUS-9138 dummy scala-2.12 org.jetbrains.kotlinx.spark examples-3.2_2.12 ${project.parent.version}