Please log a JIRA. Thanks
On Tue, May 24, 2016 at 8:33 AM, Koert Kuipers <ko...@tresata.com> wrote: > hello, > as we continue to test spark 2.0 SNAPSHOT in-house we ran into the > following trying to port an existing application from spark 1.6.1 to spark > 2.0.0-SNAPSHOT. > > given this code: > > case class Test(a: Int, b: String) > val rdd = sc.parallelize(List(Row(List(Test(5, "ha"), Test(6, "ba"))))) > val schema = StructType(Seq( > StructField("x", ArrayType( > StructType(Seq( > StructField("a", IntegerType, false), > StructField("b", StringType, true) > )), > true) > , true) > )) > val df = sqlc.createDataFrame(rdd, schema) > df.show > > this works fine in spark 1.6.1 and gives: > > +----------------+ > | x| > +----------------+ > |[[5,ha], [6,ba]]| > +----------------+ > > but in spark 2.0.0-SNAPSHOT i get: > > org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 > in stage 0.0 failed 1 times, most recent failure: Lost task 0.0 in stage > 0.0 (TID 0, localhost): java.lang.RuntimeException: Error while encoding: > java.lang.ClassCastException: Test cannot be cast to > org.apache.spark.sql.Row > [info] getexternalrowfield(input[0, org.apache.spark.sql.Row, false], 0, > x, IntegerType) AS x#0 > [info] +- getexternalrowfield(input[0, org.apache.spark.sql.Row, false], > 0, x, IntegerType) > [info] +- input[0, org.apache.spark.sql.Row, false] > >