[Kde-pim] Mime type problem in Akonadi resource

[David Jarvie]

On Tuesday 24 August 2010 19:23:54 Kevin Krammer wrote:
> On Tuesday, 2010-08-24, David Jarvie wrote:
> > On Tuesday 24 August 2010 13:27:19 David Jarvie wrote:
> > > Since updating Akonadi yesterday, the KAlarm Akonadi resource (which by
> > > default isn't built yet) crashes on startup in
> > > Akonadi::ItemSerializer::serialize(). It looks as if the metatype for
> > > class KAEvent (which is the payload type for the resource) is not being
> > > recognised in the relevant akonadi_serializer class, despite the fact
> > > that its source file includes kaevent.h, which contains a declaration
> > > Q_DECLARE_METATYPE(KAEvent);
> > > 
> > > Is there some other requirement for a custom metatype to be recognised in
> > > Akonadi serializers? (There is an X-Akonadi-Class entry in the .desktop
> > > file.)
> > 
> > It turns out that the mime type is not being recognised in
> > PluginRegistry::findBestMatchImpl(), resulting in a null metatype. Yet the
> > relevant mime type is in the Akonadi database (verified by akonadiconsole,
> > in the mimetypetable database table). It's specified in the .desktop files
> > for both the resource and the akonadi_serializer.
> > 
> > So why might the mime type not be recognised by KMimeType?
> 
> Is the MIME type file being installed correctly?
> E.g. see kdesupport/akonadi/CMakeLists.txt (at the end, look for akonadi-
> mime.xml)

Thanks, Kevin - I think that's the problem. The strange thing is, until updates to in the last couple of weeks, Akonadi didn't have any problems recognising the KAlarm mime types despite them not being installed properly. Perhaps things are being done more correctly now in the libraries, and it's caught me out.

-- 
David Jarvie.
KDE developer.
KAlarm author -- http://www.astrojar.org.uk/kalarm
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