gavrik opened a new issue, #64921: URL: https://github.com/apache/airflow/issues/64921
### Under which category would you file this issue? Providers ### Apache Airflow version 3.2.0 ### What happened and how to reproduce it? upgrade Airflow to the latest version and can't see the login screen after refresh the login page. The logs from airflow-webserver ` Apr 08 16:05:14 grafana-sandbox airflow[902886]: Traceback (most recent call last): Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 2529, in wsgi_app Apr 08 16:05:14 grafana-sandbox airflow[902886]: response = self.full_dispatch_request() Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 1826, in full_dispatch_request Apr 08 16:05:14 grafana-sandbox airflow[902886]: return self.finalize_request(rv) Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 1847, in finalize_request Apr 08 16:05:14 grafana-sandbox airflow[902886]: response = self.process_response(response) Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 2344, in process_response Apr 08 16:05:14 grafana-sandbox airflow[902886]: self.session_interface.save_session(self, ctx.session, response) Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/airflow/providers/fab/www/session.py", line 53, in save_session Apr 08 16:05:14 grafana-sandbox airflow[902886]: return super().save_session(*args, **kwargs) Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/sessions.py", line 411, in save_session Apr 08 16:05:14 grafana-sandbox airflow[902886]: response.set_cookie( Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/sansio/response.py", line 232, in set_cookie Apr 08 16:05:14 grafana-sandbox airflow[902886]: dump_cookie( Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/http.py", line 1373, in dump_cookie Apr 08 16:05:14 grafana-sandbox airflow[902886]: if not _cookie_no_quote_re.fullmatch(value): Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: TypeError: cannot use a string pattern on a bytes-like object Apr 08 16:05:14 grafana-sandbox airflow[902886]: 2026-04-08T20:05:14.198141Z [error ] Request finalizing failed with an error while handling an error [airflow.providers.fab.www.app] loc=app.py:1852 Apr 08 16:05:14 grafana-sandbox airflow[902886]: Traceback (most recent call last): Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 2529, in wsgi_app Apr 08 16:05:14 grafana-sandbox airflow[902886]: response = self.full_dispatch_request() Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 1826, in full_dispatch_request Apr 08 16:05:14 grafana-sandbox airflow[902886]: return self.finalize_request(rv) Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 1847, in finalize_request Apr 08 16:05:14 grafana-sandbox airflow[902886]: response = self.process_response(response) Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 2344, in process_response Apr 08 16:05:14 grafana-sandbox airflow[902886]: self.session_interface.save_session(self, ctx.session, response) Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/airflow/providers/fab/www/session.py", line 53, in save_session Apr 08 16:05:14 grafana-sandbox airflow[902886]: return super().save_session(*args, **kwargs) Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/sessions.py", line 411, in save_session Apr 08 16:05:14 grafana-sandbox airflow[902886]: response.set_cookie( Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/sansio/response.py", line 232, in set_cookie Apr 08 16:05:14 grafana-sandbox airflow[902886]: dump_cookie( Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/http.py", line 1373, in dump_cookie Apr 08 16:05:14 grafana-sandbox airflow[902886]: if not _cookie_no_quote_re.fullmatch(value): Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: TypeError: cannot use a string pattern on a bytes-like object Apr 08 16:05:14 grafana-sandbox airflow[902886]: During handling of the above exception, another exception occurred: Apr 08 16:05:14 grafana-sandbox airflow[902886]: Traceback (most recent call last): Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 1847, in finalize_request Apr 08 16:05:14 grafana-sandbox airflow[902886]: response = self.process_response(response) Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 2344, in process_response Apr 08 16:05:14 grafana-sandbox airflow[902886]: self.session_interface.save_session(self, ctx.session, response) Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/airflow/providers/fab/www/session.py", line 53, in save_session Apr 08 16:05:14 grafana-sandbox airflow[902886]: return super().save_session(*args, **kwargs) Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/sessions.py", line 411, in save_session Apr 08 16:05:14 grafana-sandbox airflow[902886]: response.set_cookie( Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/sansio/response.py", line 232, in set_cookie Apr 08 16:05:14 grafana-sandbox airflow[902886]: dump_cookie( Apr 08 16:05:14 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/http.py", line 1373, in dump_cookie Apr 08 16:05:14 grafana-sandbox airflow[902886]: if not _cookie_no_quote_re.fullmatch(value): Apr 08 16:05:14 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:05:14 grafana-sandbox airflow[902886]: TypeError: cannot use a string pattern on a bytes-like object Apr 08 16:05:14 grafana-sandbox airflow[902886]: 2026-04-08T20:05:14.200423Z [info ] request finished [http.access] client_addr=10.250.10.108:49230 duration_us=7844 loc=http_access_log.py:98 method=GET path=/auth/login/ query='next=http%3A%2F%2F172.20.81.200%3A8088%2F' status_code=500 Apr 08 16:05:14 grafana-sandbox airflow[902886]: 2026-04-08T20:05:14.395195Z [info ] request finished [http.access] client_addr=10.250.10.108:49230 duration_us=1682 loc=http_access_log.py:98 method=GET path=/favicon.ico query= status_code=200 Apr 08 16:06:15 grafana-sandbox airflow[902886]: 2026-04-08T20:06:15.336171Z [error ] Exception on /login/ [GET] [airflow.providers.fab.www.app] loc=app.py:1744 Apr 08 16:06:15 grafana-sandbox airflow[902886]: Traceback (most recent call last): Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 2529, in wsgi_app Apr 08 16:06:15 grafana-sandbox airflow[902886]: response = self.full_dispatch_request() Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 1826, in full_dispatch_request Apr 08 16:06:15 grafana-sandbox airflow[902886]: return self.finalize_request(rv) Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 1847, in finalize_request Apr 08 16:06:15 grafana-sandbox airflow[902886]: response = self.process_response(response) Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 2344, in process_response Apr 08 16:06:15 grafana-sandbox airflow[902886]: self.session_interface.save_session(self, ctx.session, response) Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/airflow/providers/fab/www/session.py", line 53, in save_session Apr 08 16:06:15 grafana-sandbox airflow[902886]: return super().save_session(*args, **kwargs) Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/sessions.py", line 411, in save_session Apr 08 16:06:15 grafana-sandbox airflow[902886]: response.set_cookie( Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/sansio/response.py", line 232, in set_cookie Apr 08 16:06:15 grafana-sandbox airflow[902886]: dump_cookie( Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/http.py", line 1373, in dump_cookie Apr 08 16:06:15 grafana-sandbox airflow[902886]: if not _cookie_no_quote_re.fullmatch(value): Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: TypeError: cannot use a string pattern on a bytes-like object Apr 08 16:06:15 grafana-sandbox airflow[902886]: 2026-04-08T20:06:15.337481Z [error ] Request finalizing failed with an error while handling an error [airflow.providers.fab.www.app] loc=app.py:1852 Apr 08 16:06:15 grafana-sandbox airflow[902886]: Traceback (most recent call last): Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 2529, in wsgi_app Apr 08 16:06:15 grafana-sandbox airflow[902886]: response = self.full_dispatch_request() Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 1826, in full_dispatch_request Apr 08 16:06:15 grafana-sandbox airflow[902886]: return self.finalize_request(rv) Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 1847, in finalize_request Apr 08 16:06:15 grafana-sandbox airflow[902886]: response = self.process_response(response) Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 2344, in process_response Apr 08 16:06:15 grafana-sandbox airflow[902886]: self.session_interface.save_session(self, ctx.session, response) Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/airflow/providers/fab/www/session.py", line 53, in save_session Apr 08 16:06:15 grafana-sandbox airflow[902886]: return super().save_session(*args, **kwargs) Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/sessions.py", line 411, in save_session Apr 08 16:06:15 grafana-sandbox airflow[902886]: response.set_cookie( Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/sansio/response.py", line 232, in set_cookie Apr 08 16:06:15 grafana-sandbox airflow[902886]: dump_cookie( Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/http.py", line 1373, in dump_cookie Apr 08 16:06:15 grafana-sandbox airflow[902886]: if not _cookie_no_quote_re.fullmatch(value): Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: TypeError: cannot use a string pattern on a bytes-like object Apr 08 16:06:15 grafana-sandbox airflow[902886]: During handling of the above exception, another exception occurred: Apr 08 16:06:15 grafana-sandbox airflow[902886]: Traceback (most recent call last): Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 1847, in finalize_request Apr 08 16:06:15 grafana-sandbox airflow[902886]: response = self.process_response(response) Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/app.py", line 2344, in process_response Apr 08 16:06:15 grafana-sandbox airflow[902886]: self.session_interface.save_session(self, ctx.session, response) Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/airflow/providers/fab/www/session.py", line 53, in save_session Apr 08 16:06:15 grafana-sandbox airflow[902886]: return super().save_session(*args, **kwargs) Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/flask/sessions.py", line 411, in save_session Apr 08 16:06:15 grafana-sandbox airflow[902886]: response.set_cookie( Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/sansio/response.py", line 232, in set_cookie Apr 08 16:06:15 grafana-sandbox airflow[902886]: dump_cookie( Apr 08 16:06:15 grafana-sandbox airflow[902886]: File "/u01/users/airflow/.env/lib64/python3.12/site-packages/werkzeug/http.py", line 1373, in dump_cookie Apr 08 16:06:15 grafana-sandbox airflow[902886]: if not _cookie_no_quote_re.fullmatch(value): Apr 08 16:06:15 grafana-sandbox airflow[902886]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Apr 08 16:06:15 grafana-sandbox airflow[902886]: TypeError: cannot use a string pattern on a bytes-like object ` ### What you think should happen instead? _No response_ ### Operating System RHEL 9 ### Deployment Virtualenv installation ### Apache Airflow Provider(s) fab ### Versions of Apache Airflow Providers apache-airflow-providers-fab-3.6.0 ### Official Helm Chart version Not Applicable ### Kubernetes Version _No response_ ### Helm Chart configuration _No response_ ### Docker Image customizations _No response_ ### Anything else? This problem occurs every time when I try refresh the page. The airflow.cfg was not touched from previous 3.1 installation. ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [x] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
