Migration problems can be tricky. An umbrella ticket [1] tracks Spark's migration from Scala 2.11 to 2.12 "Tricky" as in [2] "Spark 1.x's Dataset API runs into

Migration problems can be tricky. An umbrella ticket [1] tracks Spark's migration from Scala 2.11 to 2.12 "Tricky" as in [2] "Spark 1.x's Dataset API runs into subtle source incompatibility problems for Java 8 and Scala 2.12" [1] https://issues.apache.org/jira/browse/SPARK-14220 https://issues.apache.org/jira/browse/SPARK-14220 [2] https://issues.apache.org/jira/browse/SPARK-14643 https://issues.apache.org/jira/browse/SPARK-14643