Github user selvinsource commented on the issue:
https://github.com/apache/zeppelin/pull/3092
@mebelousov
If you see
https://travis-ci.org/selvinsource/zeppelin/builds/411153675
it seems fine with SCALA_VER="2.11".
What options are you running maven build with after the change of scala
version? I could try to re-create in dev environment.---
