Github user gentlewangyu commented on the issue: https://github.com/apache/spark/pull/21422 @HyukjinKwon thanks for your answer! I have tested it by using the command (build/mvn clean package install deploy -DskipTests -Pscala-2.10) ![image](https://user-images.githubusercontent.com/24363196/40529828-0d6aa72c-6029-11e8-869b-5440a38814b2.png)
--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org