Github user oxygen311 commented on the issue:
https://github.com/apache/zeppelin/pull/3093
@zjffdu
Also this bug may occur in run paragraph methods, it's also fixed now.
Other methods don't miss role info because they don't need to pass it
farther. And `checkIfUserCanWrite` and `checkIfUserCanWrite` which is used in
most rest api calls are take into roles information.---
