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#1 2018-10-13 10:04:02

tdewolff
Member
Registered: 2018-10-13
Posts: 2

Nautilus D-Bus connection failed - GNOME+Wayland

Hey guys,

Had some spare time on a saturday and thought I'd find a solution for some warnings/errors I get when launching Nautilus, which presumably also make it load slow (2 seconds to pop up).

$ nautilus

** (nautilus:3749): WARNING **: 22:55:41.069: Error on getting connection: Failed to load SPARQL backend: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying

(nautilus:3749): GLib-GIO-CRITICAL **: 22:55:43.083: g_dbus_connection_signal_unsubscribe: assertion 'G_IS_DBUS_CONNECTION (connection)' failed

(nautilus:3749): GLib-GObject-CRITICAL **: 22:55:43.083: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

(nautilus:3749): GLib-GObject-CRITICAL **: 22:55:43.083: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

As far as I can see this is because the tracker is not running? However

systemctl status dbus

and

systemctl --user status dbus

both indicate that D-Bus is active and running.

Getting the tracker status indeed confirms the problem lies there:

$ tracker status
Could not establish a connection to Tracker: Failed to load SPARQL backend: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying

Is this because I'm running GNOME with Wayland? Is that related? Otherwise, can someone point me in the right direction? I see many other people posting logs with that warning, but nobody really pays attention to it? The criticals look severe though...

Thanks!

Last edited by tdewolff (2018-10-13 10:07:21)

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#2 2018-10-15 08:28:55

dcc24
Member
Registered: 2009-10-31
Posts: 725

Re: Nautilus D-Bus connection failed - GNOME+Wayland

I have the exact same issue with Gnome under X, so I don't think it's related to Wayland.


It is better to keep your mouth shut and be thought a fool than to open it and remove all doubt. (Mark Twain)

My AUR packages

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#3 2018-10-15 08:34:06

spinnau
Member
Registered: 2017-06-05
Posts: 28

Re: Nautilus D-Bus connection failed - GNOME+Wayland

Tracker works on X11 and Wayland. Is the tracker daemon running? You can check that with

$ tracker daemon --list-processes

That should return multiple running processes like "tracker-store" and "tracker-miner-fs". In case there are no processes running, you can start tracker with

tracker daemon --start

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#4 2018-10-15 08:37:52

dcc24
Member
Registered: 2009-10-31
Posts: 725

Re: Nautilus D-Bus connection failed - GNOME+Wayland

Hmm, turns out it wasn't running. Why though? How is it normally started? Because I don't see e.g a systemd unit.


It is better to keep your mouth shut and be thought a fool than to open it and remove all doubt. (Mark Twain)

My AUR packages

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#5 2018-10-15 09:31:32

tdewolff
Member
Registered: 2018-10-13
Posts: 2

Re: Nautilus D-Bus connection failed - GNOME+Wayland

Yes, there were no tracker processes running, but issueing `--start` only started the tracker-store, and none of the miners.

However, I ran

tracker reset --hard

which seems to have fixed the error messages I used to get. Looking in the journalctl logs, tracker-store was running in circles with

tracker-store[10752]: Cannot initialize database: error in view fts_view: no such table: main.nie:InformationElement_nie:keyword_TEMP (strerror of errno (not necessarily related): No such file or directory)

which is also fixed now.

Last edited by tdewolff (2018-10-15 09:32:53)

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#6 2018-10-15 09:52:40

spinnau
Member
Registered: 2017-06-05
Posts: 28

Re: Nautilus D-Bus connection failed - GNOME+Wayland

@dcc24 Normally tracker is started automatically. There are some desktop files for tracker in /etc/xdg/autostart and there is a systemd user service that is enabled by default:

systemctl --user status tracker-store

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