linux 下nginx 的安装重启的时候出现[alert] kill(646, 1) failed (3: No such process)，nginx646

linux 下nginx 的安装重启的时候出现[alert] kill(646, 1) failed (3: No such process)，nginx646

/usr/local/nginx/sbin/nginx -s reload

nginx: [alert] kill(646, 1) failed (3: No such process)
解决方案：
1，
/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
2，
/usr/local/nginx/sbin/nginx -s reload