Hello,

I'm not sure this has anything to with uwsgi, but maybe someone could advise me in any case.

I have a nginx -> uwsgi -> Django setup and having trouble tracking down a 502/Bad Gateway which occurs whenever the Django DEBUG setting is False, but not when it is True.

The app has the idea of Folders and Documents and, given a Directory url, displays a list of Documents. But if there is only one Document, I do a redirect to the Document url:

from django.shortcuts import redirect

...
    documents = category.documents.filter(hidden=False)
    if len(documents) == 1:
         url = documents[0].get_absolute_url()
         print 'REQUEST: ' + request.path
         print 'REDIRECT: ' + url
         return redirect(url)

This works with the Django dev server with DEBUG on or off, and (as said) works with nginx/uwsgi when DEBUG is on.

The nginx.conf:

       location / {
           set $memcached_key $uri;
           memcached_pass     127.0.0.1:11211;
           default_type       text/html;
           error_page         404 502 = @djangoapp;
       }

       location @djangoapp {
           uwsgi_pass unix:/www/djangoapp/run/uwsgi.sock;
           include /www/djangoapp/nginx/1.0.6/conf/uwsgi_params;
       }

The uwsgi version is 0.9.9, Django is 1.3 and the error is:

supervisor> fg djangoapp

REQUEST: /python/web/tornado/
REDIRECT: /python/web/tornado/tornado
[pid: 9606|app: 0|req: 1/1] X.X.X.X () {42 vars in 806 bytes} [Mon Sep 5 04:31:12 2011] GET /python/web/tornado/ => generated 0 bytes in 227 msecs (HTTP/1.1 302) 2 headers in 120 bytes (1 switches on core 0) SIGPIPE: writing to a closed pipe/socket/fd (probably the client disconnected) on request /python/web/tornado/tornado (ip X.X.X.X) !!! [pid: 9605|app: 0|req: 1/2] X.X.X.X () {42 vars in 820 bytes} [Mon Sep 5 04:31:12 2011] GET /python/web/tornado/tornado => generated 39 bytes in 256 msecs (HTTP/1.1 500) 1 headers in 78 bytes (1 switches on core 0)



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