Radoop problem in executing process

Dear All,

I have managed to connect Hive and Spark and Hadoop and setup Radoop connection. I am now working with Radoop Nest in an example of "Titanic" data. I have put the titanic data in Hive and want to use Radoop Validation process on the data. The running process failes with this error:

HiveQL problem Message: Error running query: java.lang.NoClassDefFoundError: scala/collection.Iterable

Where do you think is my problem?

Regards,

Maziar