Re: systemd behavior during shutdown

[Lennart Poettering <lennart@xxxxxxxxxxxxxx>]

On Mi, 19.09.18 18:44, Tiwari, Hari Sahaya (hari-sahaya.tiwari@xxxxxxx) wrote:

> HI,
> Many thanks for the reply.
> 
> I tried putting DefaultDependencies=false in both .socket & .service files.
> I was able to verify that socket was still in "listening" state when my other systemd service tried to start a new connection with socket.
> Also the "Suppressing connection request since unit stop is scheduled" message is no more seen.
> 
> Now I am getting below error when the new connection is requested.
> 
> Sep 19 23:31:33 jara1 systemd[1]: hacl-cfg.socket: Incoming traffic
> Sep 19 23:31:33 jara1 systemd[1]: hacl-cfg@6-127.0.0.1:5302-127.0.0.1:63714.service: Trying to enqueue job hacl-cfg@6-127.0.0.1:5302-127.0.0.1:63714.service/start/replace
> Sep 19 23:31:33 jara1 systemd[1]: Requested transaction contradicts existing jobs: Transaction is destructive.
> Sep 19 23:31:33 jara1 systemd[1]: hacl-cfg.socket: One connection closed, 1 left.
> Sep 19 23:31:33 jara1 systemd[1]: hacl-cfg.socket: Failed to queue service startup job (Maybe the service file is missing or not a non-template unit?): Transaction is destructive.
> Sep 19 23:31:33 jara1 systemd[1]: hacl-cfg.socket: Changed listening -> failed
> 
> Do I have to set some other parameter in the systemd unit files ?
> 
> Following are the contents of systemd files,
> Service File
> -------------------
> # cat hacl-cfg@.service
> # cat hacl-cfg.socket

Any chance you can verify the precise deps of these services in effect
with "systemctl show"? (i.e. paste the output of "systemctl show
hal-cfg.socket hacl-cfg@foobar.service" somewhere)

My educated guess is that some .mount unit you are shutting down ends
up being required by the service, and thus you get the conflicting
jobs queued...

Lennart

-- 
Lennart Poettering, Red Hat
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