[horde] Kronolith problem

[Ralf Lang]

Hi Ruud,

this needs a bit of thinking from my side: How do we handle/degrade if we
don't have a geo driver. We already implemented a do-nothing geodriver but
I think we never properly hooked it up.

May take a little longer than the usual bug fixes.

On Wed, Apr 15, 2026 at 9:47 AM <R.J.Baart at prompt.nl> wrote:

> Some more information. I think the errors says that I have no API key
> and that is correct, I don't have API key.
>
> HordeMap.php line 75:
>
>     if (!empty($params['geocoder'])) {
>                  switch ($params['geocoder']) {
>                      case 'Google':
>                          $params['conf']['apikeys']['google'] =
> $conf['api']['googlemaps'];
>                          break;
>                  }
>              }
>
> I think that CALDAV wants/must have geomap information. When I
> configure $conf[maps][driver]  to "no inline map support" than CALDAV
> sync error is:
>
>     <d:error>
>     <s:sabredav-version>4.7.0</s:sabredav-version>
>     <s:exception>Error</s:exception>
>     <s:message>Cannot call constructor</s:message>
>     </d:error>
>
> So I must configure a geomap drivers. If I do CALDAV is fine but I get
> Horde errors (as described) because  I have no API keys. And I must have
> an API key because when I configure a geomap driver (does not matter
> which one) I must choose $conf[maps][geocoder] "Google" otherwise the
> configuration is not accepted. If I do so, no warning or whatever, API
> key is missing.
>
>
> Op 2026-04-15 om 08:57 schreef R.J.Baart at Prompt.nl:
> > Further information is perhaps helpful.
> >
> > If an event has no information stored about the location, there is no
> > problem.
> >
> > And before the mentioned error there is always an other error:
> >
> >    HORDE [kronolith]
> >    PHP ERROR: Undefined array key "api" [pid 860957 on line 70
> >    of "(...)/horde/vendor/horde/core/lib/Horde/Core/HordeMap.php"]
> >
> >  Op 2026-04-14 om 23:12 schreef Ruud Baart:
> >
> >> Kronolith (horde/kronolith 5.0.0alpha11) has a problem with geomap:
> >>
> >>    2026-04-14T20:52:53+00:00 WARN: HORDE [kronolith] PHP ERROR:
> >>    Trying to access array offset on null [pid 860957 on line 78
> >>    of "/some/path/horde/vendor/horde/core/lib/Horde/Core/HordeMap.php"]
> >>
> >> I think this error blocks the CALDAV synchronisation (in
> >> Thunderbird). In the webinterface events are shown but calender ->
> >> event -> search in map results in endless search without end. I
> >> assume this is the same problem.
> >>
> >> Configuring horde->Maps
> >>
> >>  * $conf[maps][driver]: horde driver or no inline support, both options
> >>    blocks CALDAV sync
> >>  * switching between the providers in $conf[maps][providers] makes no
> >>    difference
> >>  * $conf[maps][geocoder] must be Google (otherwise configuration error)
> >>  * $conf[maps][geodriver]: no difference between the choices
> >>
> >> all $conf[api][xxxx] are empty.
> >>
> >>
> --
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