gunicorn: error: unrecognized arguments: --workers=2 server:app

[cyzLoveDream]

how to solve this problem

[benoitc]

what's your command line? How do you launch gunicorn?

[teemukataja]

Make sure that you are in the same directory as server.py and that your function is named def app(). If you are in a directory above server.py you can add the directory name into the module with a dot . for example if the python script resides in dir/server.py you can say gunicorn --workers=2 dir.server:app.

[cyzLoveDream]

well, I have resolved this problem. it ended up that I had ArgumentParser attempting to get arguments from CLI - I commented that out and it works. @benoitc @teemukataja

[manish-agni]

@cyzLoveDream what did you comment out?

[drgerg]

I've been beating my head on a similar problem. Read this thread and recognized a possibility.

I was using the argparse module. I removed it from my .py file and gunicorn started working.

[aiwithshekhar]

Really helpful!! gunicorn service file, nginx setting everything was perfect but still i was not getting error 'ERR_EMPTY_RESPONSE'.
Then i changed the proxy buffer, timout nothing worked but as i removed the argparser it worked smoothly.

[lijiaoyang]

well, I have resolved this problem. it ended up that I had ArgumentParser attempting to get arguments from CLI - I commented that out and it works. @benoitc @teemukataja

thx!!

[cy82359276]

if uses gunicorn command in a shell script file , the last row must be empty.