Which version of livy do you use ? andrew shved <andrewshved.w...@gmail.com> 于2018年12月23日周日 下午11:49写道：
> > been struggling wiht zeppelin + livy + sparkR integration for days. I got > livy.pyspark and livy.spark work no issues. with livy.sparkr I get > > 18/12/23 15:05:24 INFO SparkEntries: Created Spark session (with Hive > support). > Exception in thread "SparkR backend" java.lang.ClassCastException: > scala.Tuple2 cannot be cast to java.lang.Integer > at scala.runtime.BoxesRunTime.unboxToInt(BoxesRunTime.java:101) > at > org.apache.livy.repl.SparkRInterpreter$$anon$1.run(SparkRInterpreter.scala:83) > all the time :disappointed: running out of things to try > simple spark.R works > > Any ideas or advice would be appreciated. Thank you! > -- Best Regards Jeff Zhang
