[Flask] Flask-Security =?utf-8?Q?can=E2=80=99t_?=work with Gunicorn with multiple workers

[王帅]

Hello, everyone.

I’m writing a website with Flask. I use Flask-Security to do authentication and use Nginx + Gunicorn to deploy it.

And I find a problem that Flask-Security can’t work with Gunicorn with multiple workers.

If the worker number is one, I can login normally. If the worker number of Gunicorn is greater than one or there is more than one Gunicorn servers behind Nginx, There are three situations will happen:

1. It will login normally;
2. It will redirect to login page again;
3. It will redirect to the page protected by Flask-Security with unlogined status.

After I expose Gunicorn server to public, It remains.
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