php-fpm start and stop exception handling

This article mainly shares with you php-fpm startup and stop exception handling, hoping to help everyone.

Start php-fpm under centos7, prompt:

service php-fpm start
Starting php-fpm [08-Oct-2016 20:32:54] ERROR: An another FPM instance seems to already listen on /tmp/php-fcgi.sock
[08-Oct-2016 20:32:54] ERROR: FPM initialization failed.

View The process or the log file can see that php-fpm has been running normally

service php-fpm stop
Gracefully shutting down php-fpm warning,no pid file found – php-fpm is not running?

View the process and you can see that the php-fpm process has not been closed
Cause of the problem: The pid value settings in the php-fpm.conf file and the /etc/init.d/php-fpm file are inconsistent.

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