Erro 502 Bad Gateway help

[Yuriy Medvedev]

Hi. You must use fastcgi_pass if you use fastcgi server as backend e.g.
php-fpm. If you use apache as backend you must use proxy_pass.
2 июля 2016 г. 10:25 пользователь "Francis Daly" <francis at daoine.org>
написал:

On Sat, Jul 02, 2016 at 06:21:38AM +0000, yair avendaño wrote:

Hi there,

> Hi I'm setting up a nginx as a reverse proxy but to try to see a site
with drupal locally that have shown me 502 Bad Gateway error.

"drupal" is possibly served by a http server, not a fastcgi server.

> this gets me in the logs.
>
>
> 016/07/02 00:51:57 [error] 18120#0: *61 upstream sent unsupported FastCGI
protocol version: 72 while reading response header from upstream, client:
127.0.0.1, server: localhost, request: "GET / HTTP/1.1", upstream:
"fastcgi://127.0.0.1:8080", host: " localhost"

If you make a bad http request to a http server, it will likely return
something that starts with "HTTP". The decimal value of ascii "H" is
"72"; a fastcgi client may expect the first octet to refer to the fastcgi
protocol version.

So your error message hints that your upstream is not a fastcgi server
but is a http server.

Which in turn suggests that the fix is:

>                          location ~ \.php$ {
>                        # Test for non-existent scripts or throw a 404
error
>                        # Without this line, nginx will blindly send any
request ending in .php to php-fpm
>                        try_files $uri =404;
>                         include /etc/nginx/fastcgi.conf;

* delete those two

>                        fastcgi_pass 127.0.0.1:8080;  ## Make sure the
socket corresponds with PHP-FPM conf file

* replace that with

    proxy_pass http://127.0.0.1:8080;


        f
--
Francis Daly        francis at daoine.org

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