[Errno 48] Address already in use
Correcting the error OSError: [Errno 48] Address already in use…
Error
* Serving Flask app “server” (lazy loading)
* Environment: production
WARNING: This is a development server. Do not use it in a production deployment.
Use a production WSGI server instead.
* Debug mode: on
Traceback (most recent call last):
File “server.py”, line 37, in
app.run (debug = True)
File “python3.7 / site-packages / flask / app.py”, line 990, in run
run_simple (host, port, self, ** options)
File “venv / lib / python3.7 / site-packages / werkzeug / serving.py”, line 1030, in run_simple
s.bind (server_address)
OSError: [Errno 48] Address already in useProcess finished with exit code 1
Decision
one
Let’s see the running processes:
There will be one or more lines like this:
501 3728 3667 0 one: 26PM ttys000 0:00.00 grep python
Let’s beat the process or processes:
2
If it doesn’t help, then like this:
There will be a line:
Python 88453 User 3u IPv4 0xfc9e2848sfdcs3 0t0 TCP localhost: commplex-main (LISTEN)
We kill the process: