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I’m also facing a similar issue in Nginx error log. But my application runs on Node js not PHP.
[error] 1179#0: *66609 upstream timed out (110: Connection timed out) while reading response header from upstream
I need help
PHP-FPM is used by Nginx to execute PHP files. That error message is saying that the unix socket file used for communication between them doesn’t exist. The first step in debugging this would be to check on the FPM processes by running:
- sudo service php5-fpm status
If the process has crashed for some reason, the error log may include messages that can point towards the cause of the problem. You can view them by running:
- less /var/log/php5-fpm.log
If needed, you can restart the process using:
- sudo service php5-fpm restart