[systemd-devel] behavior of stop in case of multiple processes

[Michał Zegan]

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Thanks, tracking it.

W dniu 2015-07-30 o 20:41, Andrei Borzenkov pisze:
> В Thu, 30 Jul 2015 20:07:03 +0200 Michał Zegan
> <webczat_200 at poczta.onet.pl> пишет:
> 
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> 
>> Here is a log from appserver.service: appserver.service: Trying
>> to enqueue job appserver.service/stop/replace appserver.service:
>> Installed new job appserver.service/stop as 16578
> 
>> appserver.service: Enqueued job appserver.service/stop as 16578
> 
>> appserver.service: Changed running -> stop-sigterm
> 
>> Stopping java application server...
> 
>> appserver.service: Child 19079 belongs to appserver.service
> 
>> appserver.service: Main process exited, code=killed,
>> status=15/TERM
> 
>> appserver.service: Changed stop-sigterm -> dead
> 
>> Stopped java application server.
> 
>> appserver.service: Child 19142 belongs to appserver.service
> 
>> appserver.service: cgroup is empty
> 
>> appserver.service: cgroup is empty
> 
> 
>> What happens with the other child?
> 
> You are likely facing variant of 
> https://github.com/systemd/systemd/issues/317
> 
> First SIGTERM kills your parent shell immediately. For systemd it
> means "service is stopped" and it enters final SIGTERM. Now it does
> not wait for child to stop but rather immediately sends final
> SIGKILL.
> 
> Either your parent needs to wait until child exits, or you should
> get rid of parent so that Java process is main process for
> systemd.
> 
> Or you can revert commit mentioned in issue :)
> 
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