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Nginx + php-fpm - recv() error

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http://serverfault.com – I get the follow error in the nginx log [error] 17734#0: *6643 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: [cut], server: [cut], request: "GET /venues HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "[cut]" I have a dedicated box with 8 gb ram, quad core chip. Good server. Nginx, php-fpm & mysql all latest versions running under ubuntu 10.04 I only get this when I stress test the server with siege. If I increase the number of concurrent connections to 100, I can get up to 20% of all requests to fail. Furthermore, I (HowTos)

grtyyu's picture
Submitted by grtyyu on 08/19/2011

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I have a "hello world" fastcgi running on 127.0.0.1:9000 and would like to serve it via nginx.

I'm trying to make a reverse proxy from nginx to apache on my Ubuntu 10.04 server. It is working fine right now with HTML files... the requests are sent directly to apache. But whenever I visit a PHP file, I see a nginx 502 bad gateway error.

My plateform is a reverse proxy with nginx and a web site on IIS.

I have a 502 error with nginx.

2013/01/22 12:19:03 [error] 3842#0: *37 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 10.142.1.72, server: www.mydomaine.com, request: "GET /MosStyle/aspx/arboStyle.aspx?style=irlande&refDossierStyle=../../MosData/MosStyle/styles/irlande/ HTTP/

Im running CentOS 6.2, Nginx 1.2.3 following these Linode Instructions to get Perl to work with Nginx I've done everything upto the point of testing an actual Perl file. When I do this the browser says:

The page you are looking for is temporarily unavailable. Please try again later.

I have a django app running on Nginx and uwsgi.

I just installed Nginx 1.2.4 and PHP 5.4.0 (from svn) (php fpm). CentOs 5.8 64

The problem I have is that PHP crashes the moment I run any social oAuth scripts. I have tried to log into Facebook, Twitter and Google with various scripts that I know work on my other servers. When I load the scripts I get a 502 error from Nginx.

I have a server set on a VPS serving up a production Rails app via Nginx + Unicorn.

Instead of seeing the rhodecode page when visiting repo.xxx.com I get a 502 (Bad Gateway).

Here is the nginx error.log entry.

2013/03/14 21:48:33 [error] 11207#0: *3 connect() failed (111: Connection refused) while connecting to upstream, client: 11.111.111.11, server: repo.xxx.com, request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:5000/", host: "repo.xxx.com"

Here is the relevant portion

I have an nginx setup which works very well. I am using an upstream block to load balance between two servers. These servers give HTTP 200 response even if they unable to serve the request, but they set custom http header like this:

X-Response-Status: Failed

When the response is OK, they give:

X-Response-Status: OK

Is it possible to configure nginx to try next upstream server while the first