[Kde-pim] Mime type problem in Akonadi resource

[David Jarvie]

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?

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