Github user mebelousov commented on the issue:
https://github.com/apache/zeppelin/pull/3179
@Savalek
You're right. I fix my shiro.ini.
But I still see a huge amount of background queries (up to 100 per second)
connected with Helium.
I can reproduce the issue in development mode.
Tested on Ubuntu 16.04, Chromium (Version 69.0.3497.92) and Firefox Quantum
62.0
Check please.---
