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I get a 502 Bad Gateway with nginx when using spawn fcgi to spawn php5-cgi.
I use this to span an instance on server start using the following line in rc.local
/usr/bin/spawn-fcgi -a 127.0.0.1 -p 9000 -u www-data -g www-data -f /usr/bin/php5-cgi -P /var/run/fastcgi-php.pid presumably I'm getting the error because the spawn-fcgi / php5-cgi dies and there is nothing listening there anymore to parse php.
I get nothing in the logs that I can see anywhere, I'm out of ideas (and new to this setup with nginx)
968
The 502 Bad Gateway error is an HTTP status code that means that one server received an invalid response from another server. In more technical words, A 502 Bad Gateway means that the proxy (gateway) server wasn't able to get a valid or any response from the upstream server.
A 502 bad gateway message indicates that one server got an invalid response from another. In essence, you've connected with some kind of interim device (like an edge server) that should fetch all of the bits you need to load the page. Something about that process went wrong, and the message indicates the problem.
Bad Gateway errors are often caused by issues between online servers that you have no control over. However, sometimes, there is no real issue but your browser thinks there's one thanks to a problem with your browser, an issue with your home networking equipment, or some other in-your-control reason.
I executed my localhost and the page displayed the 502 bad gateway message. This helped me:
/etc/php5/fpm/pool.d/www.conf listen = /var/run/php5-fpm.sock to listen = 127.0.0.1:9000 sudo service php5-fpm restart Maybe it will help you.
Source from: http://wildlyinaccurate.com/solving-502-bad-gateway-with-nginx-php-fpm
60
The 502 error appears because nginx cannot hand off to php5-cgi. You can try reconfiguring php5-cgi to use unix sockets as opposed to tcp .. then adjust the server config to point to the socket instead of the tcp ...
ps auxww | grep php5-cgi #-- is the process running? netstat -an | grep 9000 # is the port open? If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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