fpm not logging 500 error anywhere
Nor do nginx or php-fpm reports a error 500 output, In fact the 500 response is on the access log and not on the nginx error log. The script is running ok in my dev environment.
nginx version: nginx/1.6.2
PHP 5.5.19 (fpm-fcgi)
Tried this
catch_workers_output = 1
Restarted everything, still not working
nginx access log shows:
x.x.x.x - - [12/Dec/2014:19:25:08 -0200] "GET /merchant/customer/mobile/data?sEcho=1&iColumns=3&sColumns=%2C%2C&iDisplayStart=0&iDisplayLength=10&mDataProp_0=0&sSearch_0=&bRegex_0=false&bSearchable_0=true&mDataProp_1=1&sSearch_1=&bRegex_1=false&bSearchable_1=true&mDataProp_2=2&sSearch_2=&bRegex_2=false&bSearchable_2=true&sSearch=&bRegex=false&_=1418418256370 HTTP/1.1" 500 589 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71 Safari/537.36"
Note the 500 error, which should be on error.log and with the php trace that's is happening on other errors.
Any clues?
When PHP display_errors are disabled, PHP errors can return Nginx 500 error.
Take a look into your php-fpm logs, i'm sure you'll find the error there. With CentOS 7 :
tail -f /var/log/php-fpm/www-error.log
You can finally show PHP errors. In /etc/php.ini, change :
display_errors = Off
to :
display_errors = On
Hope it helps.
Verify php-fpm service is running
sudo service php-fpm status
This will display the hostnames that can execute php.
Next edit php.ini to display errors. this will display errors on page..to make things easy to diagnose
sudo vim /etc/php.ini
then hit key [/] and type
display_errors
hit key [i] user arrow keys and backspace to set display_errors = on
then restart php-fpm service
On system type redhat /centos etc..
sudo service php-fpm restart
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