if I remove this abstract class A[T : Encoder] {} it's ok!
-- View this message in context: http://apache-spark-developers-list.1001551.n3.nabble.com/java-lang-NoClassDefFoundError-is-this-a-bug-tp18972p18980.html Sent from the Apache Spark Developers List mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe e-mail: dev-unsubscr...@spark.apache.org