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There are two types of systemd instances<br>
* system instance (PID1) which controls the machine as a whole<br>
* user instances that are started when the user logs in.<br>
<br>
You seem to have a system service (started by the system session). A
system service can't (easily) access the user bus.<br>
The session bus is started by the user instance when the user login.
If the user hasn't logged in yet, the bus isn't started.<br>
Moreover, the user bus is found via an environment variable, which
is not set for system services (even when User= is used)<br>
<br>
What are you trying to do exactly ? should your service be a session
service ?<br>
<br>
Regards<br>
Jeremy<br>
<br>
<br>
<div class="moz-cite-prefix">On 13/08/2018 09:17, Deepan Muthusamy
wrote:<br>
</div>
<blockquote type="cite" cite="mid:1534144671090.92749@tcs.com">
<pre wrap="">
I have an application which has to communicate with session dbus. If I start my application binary manually or start using Init.d, it is connecting to session d-bus.
But if I start my application through systemd, it is failing to start. I tried to start using systemctl start my-service-name, this time also it is failing.
And also I go through the answer given by keithel in <a class="moz-txt-link-freetext" href="https://serverfault.com/questions/892465/starting-systemd-services-sharing-a-session-d-bus-on-headless-system">https://serverfault.com/questions/892465/starting-systemd-services-sharing-a-session-d-bus-on-headless-system</a> .
Still Iam facing the same error.
The .service fail is as follows:
[Unit]
Requires= dbus.socket
After= dbus.socket
[Service]
Type=dbus
BusName=org.client
ExecStart=/usr/local/bin/myExe
TimeoutSec=300
WatchdogSec=20
[Install]
WantedBy=basic.target
Operating system:
Ubuntu 16.04 (64-bit)
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