[PLUG] service in systemd not starting custom java app after rebooting RHEL 7.4

[Amey Abhyankar]

Hello,

On 4 July 2018 at 18:42, Shridhar Daithankar <ghodechhap at ghodechhap.net> wrote:
> On बुधवार, ४ जुलै, २०१८ २:४२:१३ म.उ. IST Amey Abhyankar wrote:
>> Hello,
>>
>> I am trying to create a service inside /etc/systemd/system & it's
>> softlink in /etc/systemd/system/multi-user.target.wants but it's not
>> helping.
>>
>> After system reboot, if I do ps -ef |grep -i javaapp it's not started.
>
> What is output of 'systemctl status <unit>' and 'journalctl -u <unit>' for the

Thanks Shridhar for the valuable inputs.
-------------------------------------------------------------------------------

i) Output of <systemctl status>

[root at app-01 amey]# systemctl status app1.service
● app1.service - app1 service
   Loaded: loaded (/etc/systemd/system/app1.service; enabled; vendor
preset: disabled)
   Active: failed (Result: resources) since Wed 2018-07-04 04:36:03
IST; 1 day 2h ago
  Process: 760 ExecStart=/opt/app1/app1.sh $OPTIONS (code=exited,
status=0/SUCCESS)

Jul 04 04:36:03 app-01 systemd[1]: Starting app1 service...
Jul 04 04:36:03 app-01 systemd[1]: PID file /opt/app1/app1.pid not
readable (yet?) after start.
Jul 04 04:36:03 app-01 systemd[1]: Failed to start app1 service.
Jul 04 04:36:03 app-01 systemd[1]: Unit app1.service entered failed state.
Jul 04 04:36:03 app-01 systemd[1]: app1.service failed.
[root at app-01 amey]#
-------------------------------------------------------------------------------

ii) Output of <journalctl -u>

[root at app-01 amey]# journalctl -u app1.service
-- Logs begin at Wed 2018-07-04 04:35:58 EDT, end at Thu 2018-07-05
07:03:01 EDT. --
Jul 04 04:36:03 app-01 systemd[1]: Starting app1 service...
Jul 04 04:36:03 app-01 systemd[1]: PID file /opt/app1/app1.pid not
readable (yet?) after start.
Jul 04 04:36:03 app-01 systemd[1]: Failed to start app1 service.
Jul 04 04:36:03 app-01 systemd[1]: Unit app1.service entered failed state.
Jul 04 04:36:03 app-01 systemd[1]: app1.service failed.
[root at app-01 amey]#
-------------------------------------------------------------------------------

I think I messed up with some configuration in the file but unable to
identify what is it.

> specified service?
> --
> Regards
>  Shridhar
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