Hello, try this http://stackoverflow.com/questions/13894386/upstream-too-big-nginx-codeigniter
Regards, Basti On 10.02.2014 11:55, rubenarslan wrote: > Hi Maxim & Jeroen, > > I'm the user Jeroen mentioned. I'm sorry for only being to produce sporadic > errors earlier, I now made a test case which reliably produces > the error, both on our server and Jeroen's server (so it's hopefully not > just my amateur status with nginx). > > Of course, the ridiculously large proxy settings were only chosen in > desperation, but I can now report that no increase of proxy buffer > settings solves the problem at all (or shifts the treshold at which the > error messages occur). So I think it's safe to say the error message > upstream sent too big header while reading response header from upstream > is misleading (unless the CORS headers that Jeroen added are somehow > inflated through the POST request, wouldn't know why that would be). > > > I can also now rule out that's its due to the headers sent or received. > > I receive only the following headers when the 502s occur > > HTTP/1.1 100 Continue > > HTTP/1.1 502 Bad Gateway > Server: nginx/1.4.4 > Date: Mon, 10 Feb 2014 10:46:57 GMT > Content-Type: text/html > Content-Length: 172 > Connection: keep-alive > > And I sent only these > > POST /ocpu/library/base/R/identity HTTP/1.1 > Host: ourhost.xx > Accept: */* > Content-Length: 3545 > Content-Type: application/x-www-form-urlencoded > Expect: 100-continue > > > I do send a large request, 2241 characters (inlined JSON-ified data), but > that is not near the upper limit of POST request as I know them. > > Here's the issue on the openCPU github, where I uploaded my test cases > (sorry for it being a bit primitively done, I'm in a bit of a tight spot > time-wise here and just an amateur): > https://github.com/jeroenooms/opencpu/issues/76 > > Posted at Nginx Forum: > http://forum.nginx.org/read.php?2,247230,247327#msg-247327 > > _______________________________________________ > nginx mailing list > [email protected] > http://mailman.nginx.org/mailman/listinfo/nginx _______________________________________________ nginx mailing list [email protected] http://mailman.nginx.org/mailman/listinfo/nginx
