centOS 7.0 httpd 无法启动
[root@~]# systemctl start httpd.service
Job for httpd.service failed because the control process exited with error code. See "systemctl status httpd.service" and "journalctl -xe" for details.
[root@iZ25a4sazz ~]# systemctl status httpd.service
?.httpd.service - The Apache HTTP Server
Loaded: loaded (/usr/lib/systemd/system/httpd.service; disabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Sun 2016-08-07 18:12:34 CST; 26s ago
Docs: man:httpd(8)
man:apachectl(8)
Process: 1749 ExecStop=/bin/kill -WINCH ${MAINPID} (code=exited, status=1/FAILURE)
Process: 1748 ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND (code=exited, status=0/SUCCESS)
Main PID: 1748 (code=exited, status=0/SUCCESS)
Aug 07 18:12:34 iZ25a4sazz systemd[1]: Starting The Apache HTTP Server...
Aug 07 18:12:34 iZ25a4sazz httpd[1748]: httpd (pid 31214) already running
Aug 07 18:12:34 iZ25a4sazz kill[1749]: kill: cannot find process ""
Aug 07 18:12:34 iZ25a4sazz systemd[1]: httpd.service: control process exited, code=exited status=1
Aug 07 18:12:34 iZ25a4sazz systemd[1]: Failed to start The Apache HTTP Server.
Aug 07 18:12:34 iZ25a4sazz systemd[1]: Unit httpd.service entered failed state.
Aug 07 18:12:34 iZ25a4sazz systemd[1]: httpd.service failed.