qhsoft opened a new issue #20496:
URL: https://github.com/apache/airflow/issues/20496
### Apache Airflow version
2.2.3 (latest released)
### What happened
When I modify airflow.cfg about default webserver listening port to 8000,
then start with "airflow standalone"
A error will be printed:
webserver | [2021-12-25 22:20:08 +0800] [16173] [ERROR] Connection in use:
('0.0.0.0', 8080)
webserver | [2021-12-25 22:20:08 +0800] [16173] [ERROR] Retrying in 1
second.
webserver | [2021-12-25 22:20:10 +0800] [16173] [ERROR] Connection in use:
('0.0.0.0', 8080)
webserver | [2021-12-25 22:20:10 +0800] [16173] [ERROR] Retrying in 1
second.
webserver | [2021-12-25 22:20:11 +0800] [16173] [ERROR] Connection in use:
('0.0.0.0', 8080)
webserver | [2021-12-25 22:20:11 +0800] [16173] [ERROR] Retrying in 1
second.
webserver | [2021-12-25 22:20:12 +0800] [16173] [ERROR] Connection in use:
('0.0.0.0', 8080)
webserver | [2021-12-25 22:20:12 +0800] [16173] [ERROR] Retrying in 1
second.
webserver | [2021-12-25 22:20:13 +0800] [16173] [ERROR] Connection in use:
('0.0.0.0', 8080)
webserver | [2021-12-25 22:20:13 +0800] [16173] [ERROR] Retrying in 1
second.
webserver | [2021-12-25 22:20:14 +0800] [16173] [ERROR] Can't connect to
('0.0.0.0', 8080)
Source code position,
https://github.com/apache/airflow/blob/main/airflow/cli/commands/standalone_command.py
line 209, function is_ready
return self.port_open(**8080**) and self.job_running(SchedulerJob)
and self.job_running(TriggererJob)
force the port to 8080, it's wrong.
### What you expected to happen
_No response_
### How to reproduce
_No response_
### Operating System
All System
### Versions of Apache Airflow Providers
_No response_
### Deployment
Other
### Deployment details
_No response_
### Anything else
_No response_
### 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)
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