Apache重启失败，提示：Job for httpd.service failed. See 'systemctl status httpd.service' and 'journalctl -xn' for details.

　　今天更新完程序，重启apache的时候，第一遍正常重启，1分钟之后第二次重启的时候报错了。

　　执行service httpd restart之后：

　　报错：

　　　　Job for httpd.service failed. See ‘systemctl status httpd.service‘ and ‘journalctl -xn‘ for details.

　　此时查看apache状态已经处于stop.

　　执行 ps -ef | grep httpd  命令查看端口占用的时候，已经没有httpd进程，apache挂掉了。

　　这时需要先去查看日志

　　　　cat error_log之后找到这一句（最新的报错内容）：

　　　　　　suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)

　　　　　　顺势找到对应的博客，地址：https://www.shikexu.com/archives/835

　　　　　　结合实际情况，符合博主所说的：用户进程通信信号量达到限制导致

　　查看解决办法：

　　　　执行命令查看信号量：ipcs -s

　　　　　　-a：显示全部可显示的信息； -q：显示活动的消息队列信息； -m：显示活动的共享内存信息； -s：显示活动的信号量信息。

　　　　正如博主所展示的一样，服务器在apache未启动的情况下，占用了很多通道

　　　　接下来，清除信号量

　　　　　　ipcs -s | perl -ane ‘/^0x00000000/ && `ipcrm -s $F[1]`‘

　　　　清除后重启apache,问题解决

　　　　

Apache重启失败，提示：Job for httpd.service failed. See 'systemctl status httpd.service' and 'journalctl -xn' for details.

原文地址：https://www.cnblogs.com/bk770466199/p/10432987.html

时间： 2024-11-10 00:15:51

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