ubuntu - systemd 错误“无法启动服务:未正确加载单元服务:执行格式错误”
问题描述
我可以从 shell 执行确切的ExecStart
命令并且它可以工作,但是由于某种原因在这个服务文件中这不起作用 - 有什么想法吗?
错误:
Failed to start previewapi.service: Unit previewapi.service is not loaded properly: Exec format error.
See system logs and 'systemctl status previewapi.service' for details.
systemd .service 文件:
[Unit]
Description = preview-api
After = network.target
[Service]
WorkingDirectory=/srv/previewapi
ExecStart = /usr/bin/java -jar /srv/previewapi/gn-preview-api-0.1.0-SNAPSHOT-standalone.jar
ExecStop = kill -INT $MAINPID
ExecReload = kill -TERM $MAINPID
# In case if it gets stopped, restart it immediately
Restart = always
Type = simple
[Install]
# multi-user.target corresponds to run level 3
# roughtly meaning wanted by system start
WantedBy = multi-user.target
Ubuntu 18.04。
sudo journalctl -u previewapi
说:
Aug 15 10:00:28 ubuntu-bionic systemd[1]: /etc/systemd/system/previewapi.service:18: Executable path is not absolute:
解决方案
问题不在于ExecStart
,而在于ExecStop
andExecReload
部分——它们也必须是绝对的。
最终版本:
[Unit]
Description = preview-api
After = network.target
[Service]
WorkingDirectory=/srv/previewapi
ExecStart=/usr/bin/java -jar /srv/previewapi/gn-preview-api-0.1.0-SNAPSHOT-standalone.jar
ExecStop=/bin/kill -INT $MAINPID
ExecReload=/bin/kill -TERM $MAINPID
# In case if it gets stopped, restart it immediately
Restart = always
Type = simple
[Install]
# multi-user.target corresponds to run level 3
# roughtly meaning wanted by system start
WantedBy = multi-user.target