Need a help with UI of Airflow

[beckss1]

Hi.
I, as DBA of Oracle, also have Apache/Airflow installed on site. I put attention, that sometimes UI of airflow is not able to display into browser. As I understand correct this is webserver, that run on specific port. I changed airflow.cfg file with relevant log parameters:
logging_level = DEBUG
celery_logging_level = DEBUG
fab_logging_level = DEBUG
But I still not see any detailed information into airflow-webserver.log, airflow-webserver.err or airflow-webserver.out files.

Thanks and best regards,
Stas

[beckss1]

My question is how I can debug/trace UI in Airflow.
Thanks Stas