php system failed,Job for php-fpm.service failed because the control process exited with error code....

[root@web01 ~]#  systemctl start php-fpm

Job for php-fpm.service failed because the control process exited with error code. See "systemctl status php-fpm.service" and "journalctl -xe" for details.

[root@web01 ~]#  systemctl status php-fpm -l

● php-fpm.service - The PHP FastCGI Process Manager

Loaded: loaded (/usr/lib/systemd/system/php-fpm.service; disabled; vendor preset: disabled)

Active: failed (Result: exit-code) since Mon 2019-01-14 19:04:24 CST; 16s ago

Process: 6892 ExecStart=/usr/sbin/php-fpm --nodaemonize --fpm-config /etc/php-fpm.conf (code=exited, status=78)

Main PID: 6892 (code=exited, status=78)

Jan 14 19:04:24 web01 systemd[1]: Starting The PHP FastCGI Process Manager...

Jan 14 19:04:24 web01 php-fpm[6892]: [14-Jan-2019 19:04:24] ERROR: [pool www] cannot get uid for user 'www'

Jan 14 19:04:24 web01 php-fpm[6892]: [14-Jan-2019 19:04:24] ERROR: FPM initialization failed

Jan 14 19:04:24 web01 systemd[1]: php-fpm.service: main process exited, code=exited, status=78/n/a

Jan 14 19:04:24 web01 systemd[1]: Failed to start The PHP FastCGI Process Manager.

Jan 14 19:04:24 web01 systemd[1]: Unit php-fpm.service entered failed state.

Jan 14 19:04:24 web01 systemd[1]: php-fpm.service failed.

[root@web01 ~]# groupadd -g666 www

[root@web01 ~]# useradd -u666 -g666 www

[root@web01 ~]#  systemctl start php-fpm

[root@web01 ~]#

[root@web01 ~]#  systemctl start php-fpmJob for php-fpm.service failed because the control process exited with error code. See "systemctl status php-fpm.service" and "journalctl -xe" for details.[root@web01 ~]#  systemctl status php-fpm -l● php-fpm.service - The PHP FastCGI Process Manager   Loaded: loaded (/usr/lib/systemd/system/php-fpm.service; disabled; vendor preset: disabled)   Active: failed (Result: exit-code) since Mon 2019-01-14 19:04:24 CST; 16s ago  Process: 6892 ExecStart=/usr/sbin/php-fpm --nodaemonize --fpm-config /etc/php-fpm.conf (code=exited, status=78) Main PID: 6892 (code=exited, status=78)

Jan 14 19:04:24 web01 systemd[1]: Starting The PHP FastCGI Process Manager...Jan 14 19:04:24 web01 php-fpm[6892]: [14-Jan-2019 19:04:24] ERROR: [pool www] cannot get uid for user 'www'Jan 14 19:04:24 web01 php-fpm[6892]: [14-Jan-2019 19:04:24] ERROR: FPM initialization failedJan 14 19:04:24 web01 systemd[1]: php-fpm.service: main process exited, code=exited, status=78/n/aJan 14 19:04:24 web01 systemd[1]: Failed to start The PHP FastCGI Process Manager.Jan 14 19:04:24 web01 systemd[1]: Unit php-fpm.service entered failed state.Jan 14 19:04:24 web01 systemd[1]: php-fpm.service failed.[root@web01 ~]# groupadd -g666 www[root@web01 ~]# useradd -u666 -g666 www[root@web01 ~]#  systemctl start php-fpm[root@web01 ~]#

原因1:开启了httpd

解决方式:systemctl stop httpd

systemctl start nginx

原因2:/etc/nginx/conf.d里的配置文件错误

解决方式:查看是否是配置文件错误  nginx -t  ,如果错误,则修改配置文件