502 Bad Gateway Error for Laravel site running on nginx

Question

Most of my page works, but when I try to access part of my site I get a 502 Bad Gateway error.

I am running the latest version of Laravel, nginx and php5-fpm. My server is an AWS Ubuntu 14.04 instance.

I check the nginx log and get the following error

2016/07/01 19:06:29 [error] 1101#0: *8 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: [client IP here], server: [aws server IP here], request: "GET /get/request/here/build?active=talent HTTP/1.1", upstream: "fastcgi://unix:/var/run/php5-fpm.sock:", host: "[server IP here]", referrer: "http://[server IP here]/admin?all=yes"

Here is my fpm/pool.d/www.conf file (everything that is not coded out more or less)

; Pool name [www] listen.owner = www-data listen.group = www-data ;listen.mode = 0660 pm = dynamic pm.max_children = 5 pm.start_servers = 2 pm.min_spare_servers = 1 pm.max_spare_servers = 3 ;pm.process_idle_timeout = 10s; ; pm.max_requests = 500 chdir = / catch_workers_output = yes

Here is my nginx/sites-available/default file:

server { listen 80 default_server; listen [::]:80 default_server ipv6only=on; root /var/www/laravelproject/public; index index.php index.html index.htm; server_name [server-ip-here]; location / { try_files $uri $uri/ /index.php?$query_string; } location ~ \.php$ { try_files $uri /index.php =404; fastcgi_split_path_info ^(.+\.php)(/.+)$; fastcgi_pass unix:/var/run/php5-fpm.sock; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include fastcgi_params; } }

How can I fix this?

What happens when you run service nginx restart ? Also, look at /var/log/nginx/error.log — dmitryro
– dmitryro, Commented Jul 1, 2016 at 19:36
It restarts cleanly, and the error at the top is from the nginx error log — ruby_noobie
– ruby_noobie, Commented Jul 1, 2016 at 19:36

dmitryro · Accepted Answer · 2016-07-01 19:55:15Z

2

Verify where your fastcgi_params seats

location ~ \.php$ { set $php_root /var/www/laravelproject/public; fastcgi_pass unix:/var/run/php5-fpm.sock; // switch back when verified fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $php_root$fastcgi_script_name; include /etc/nginx/fastcgi_params; // adjust to your absolute path }

edited Jul 1, 2016 at 19:55

answered Jul 1, 2016 at 19:48

dmitryro

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10 Comments

ruby_noobie Over a year ago

So when I swapped to the port it didn't work at all, got the bad gateway from a page that was working before.

dmitryro Over a year ago

Looks like it needs your fastcgi_params - to be set in the existing location, now you can check the log and see.

dmitryro Over a year ago

Also, try commenting out line listen [::]:80 default_server ipv6only=on; to and make sure only one server uses port 80 - you can see from ps -ef or ps aux what's going on with processes

dmitryro Over a year ago

So now we can modify php.ini and set ini_set('memory_limit', '-1')

dmitryro Over a year ago

which is either /etc/php/5.6/apache2/php.ini or /etc/php/5.6/cli/php.ini - just run find / -name php.ini

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num8er · Accepted Answer · 2016-07-01 21:12:10Z

I don't see issue in nginx config.

But about www.conf I see that You've defined listener but not defined listener socket.

So try this:

[www] user = www-data group = www-data listen = /var/run/php5-fpm.sock listen.owner = www-data listen.group = www-data listen.mode = 0666 pm = ondemand pm.max_children = 4 pm.process_idle_timeout = 10s pm.max_requests = 32 chdir = / php_admin_flag[display_errors] = on php_admin_flag[log_errors] = off php_admin_value[memory_limit] = 512M php_admin_value[post_max_size] = 128M php_admin_value[upload_max_filesize] = 128M

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