In Impalad you can set webserver_htpassword_username and webserver_htpassword_password to give authentication to the Impalad web UI's. Hue doesn't JobBrowser Impala queries page does not work when these are set, even with kerberos authentication, you get a 401 error. It's easy to reproduce on nightly:
- Edit Impalad configuration:
Impala Daemon Web Server Username
Impala Daemon Web Server User Password
- Restart Impala service and go to JobBrowser->Queries and you'll get 401 error.