[Samba] Spotlight configuration trouble

[Perttu Aaltonen]

How could I investigate this further? If I monitor session and system dbus activity with dbus-monitor I can see activity if I do “tracker search pdf” as the mdssvc user, but nothing if I search through Samba. I only get those two errors below. So seems like Samba dbus connection isn’t working. I’ve followed the wiki very closely so to me it looks like it’s missing a step or the latest versions have some issue. I tried raising the logging level, but it doesn’t really show anything more specific.

Thanks


> On 2 Oct 2020, at 16.24, Perttu Aaltonen via samba <samba at lists.samba.org> wrote:
> 
> I’m trying to setup Spotlight with Tracker (2.3 from Ubuntu repo) backend in Ubuntu 20.04 and Samba 4.12.7. I’ve followed the wiki closely but every time I try to search I get this in the logs:
> 
> [2020/10/02 10:43:42.078242,  0] ../../source3/rpc_server/mdssvc/mdssvc_tracker.c:403(mds_tracker_search_start)
>  mds_tracker_search_start: no connection to Tracker
> [2020/10/02 10:43:42.079897,  0] ../../source3/rpc_server/mdssvc/mdssvc.c:935(slrpc_open_query)
>  slrpc_open_query: backend search_start failed
> 
> And also sometimes this:
> 
> (process:80045): Tracker-WARNING **: 10:43:42.086: Falling back to bus backend, the direct backend failed to initialize: Could not find database file:'/root/.cache/tracker/meta.db’.
> 
> I’ve tried running tracker services with systemd and also directly under the mdssvc user but smbd isn’t able to connect to Tracker. I must have a configuration error somewhere or the problem is with either Tracker or Samba.
> 
> I also tried with Debian 10, Samba 4.11.13 and Tracker 2.1 and I get this when opening the share:
> 
> [2020/10/02 16:15:27.269248,  1] ../../source3/rpc_server/mdssvc/mdssvc.c:739(tracker_con_cb)
>  Could not connect to Tracker: Failed to load SPARQL backend: Cannot autolaunch D-Bus without X11 $DISPLAY
> 
> So this points more to a DBus problem. I even tried to run Tracker under the root account but no change. The last time I tried Tracker backend was about two years ago and I got it working then, not sure what’s the problem this time.
> 
> Any pointers?
> Thanks.
> 
> 
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