aakanshajecrc opened a new issue #18919:
URL: https://github.com/apache/superset/issues/18919


   A clear and concise description of what the bug is.
   I am trying to do authentiction(database) in superset using the guide at: 
   https://flask-appbuilder.readthedocs.io/en/latest/security.html
   
   Please note that I am attempting it on Ubuntu 20.04 VMs behind a proxy. And 
I am running superset on http://localhost:9000/(in dev mode)  
   
   #### How to reproduce the bug
   
   1 Clone Superset repository
   2 cd superset
   3 docker-compose up
   4 in another terminal(cd superset/superset-frontend)
   5 npm run dev-server
   
   what you expected to happen.
   
   Login Successfully.
   
   what actually happens.
   
   register is working.but after registration(save)
   
   i am getting this type of error:
   {"errors": [{"message": "<urlopen error [Errno -3] Temporary failure in name 
resolution>", "error_type": "GENERIC_BACKEND_ERROR", "level": "error", "extra": 
{"issue_codes": [{"code": 1011, "message": "Issue 1011 - Superset encountered 
an unexpected error."}]}}]}
   
   Screenshots
   If applicable, add screenshots to help explain your problem.
   
   
   ### Environment
   
   OS: Ubuntu Server 20.04
   Python on VM: 3.8.10
   ### Checklist
   
   Make sure to follow these steps before submitting your issue - thank you!
   
   - [ ] I have checked the superset logs for python stacktraces and included 
it here as text if there are any.
   - [ ] I have reproduced the issue with at least the latest released version 
of superset.
   - [ ] I have checked the issue tracker for the same issue and I haven't 
found one similar.
   
   
   


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