How to using Spark 2.1 in HDP 2.6 and radoop

1-copy spark.sh in /etc/profile.d
2-run:
   source /etc/profile.d/spark.sh

In radoop connection->Spark Settings

3-change
   "Spark Version"
   to
   Spark 2.1
4-change
   "Spark Archive(or libs) path"
   to
   local:///usr/hdp/current/spark2-client/jars/*