This is my .ini file to run the uwsgi "pyApp.py"

plugins = cgi
socket =
cgi = /=/usr/share/test/
cgi-allowed-ext = .py
cgi-helper = .py=python

i have a file "firstapp.py" at location /usr/share/test/firstapp.py Its contents are

print "Content-type: text/html\n\n"
print "<html><body><h1>It works! Cool!!</h1></body></html>"

I am running the instance of uwsgi with the command

uwsgi --http :9011 --http-modifier1 9 --ini pyApp.ini --master

I have configured several vhosts using nginx. and one of them must point to directory /usr/share/test/ when there is url having "/cgi-bin/" in it.

The nginx config is - [also the only default one among the others]

server {
        listen 80 default_server;
        listen [::]:80 default_server ipv6only=on;

        root /var/www/pythonsite.com/html;
        index index.html index.htm;

        server_name pythonsite.com www.pythonsite.com;

        location / {
                try_files $uri $uri/ =404;

        location /cgi-bin {
                include uwsgi_params;
                uwsgi_modifier1 9;

But when i try to access the "cgi" script from the browser via the url


The default URL "pythonsite.com" seems to be working fine but the above URl with "cgi-bin" in it seems to be missing something. I get "502 Bad Gateway". What am i missing. In order to use the python scripts this way?


Also, every time i request the URL http://pythonsite.com/cgi-bin/firstapp.py" in the browser, there is a log on the uwsgi server instance saying

-- unavailable modifier requested: 9 --


on the uwsgi logs i get "invalid request block size: 21573 (max 4096)...skip" for 127.0..0.1:9010 and connection was reset on the browser page

and for ""; i get "internal Server Error" message on the browser. and uwsgi logs as "--- no python application found, check your startup logs for errors ---"

What can be going wrong? :|

1 Answer 1


Is the CGI plugin installed ?

Running CGI scripts on uWSGI

With the same configuration I can reproduce the error, but after installing the CGI plugin and run using the new binary in /tmp/uwsgi it works:

curl http://uwsgi.it/install | bash -s cgi /tmp/uwsgi
  • Thankyou for pointing that out. Is "uwsgi-plugin-cgi" the package i need to install. Like "apt-get install uwsgi-plugin-cgi"?
    – Archer
    Mar 18, 2015 at 17:53
  • Thank you my friend. Thats what i had missed. Thank you very much !!!! :] [ignore my previous comment]
    – Archer
    Mar 18, 2015 at 18:22

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