Bug 119424 - digikam unable to create io-slave
Summary: digikam unable to create io-slave
Status: RESOLVED FIXED
Alias: None
Product: digikam
Classification: Applications
Component: Database-Albums (show other bugs)
Version: 0.7.1
Platform: Gentoo Packages Linux
: NOR normal
Target Milestone: ---
Assignee: Digikam Developers
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2006-01-03 00:11 UTC by rfc469
Modified: 2017-07-25 18:50 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In: 5.4.0


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Description rfc469 2006-01-03 00:11:25 UTC
Version:           0.7.1 (using KDE KDE 3.4.3)
Installed from:    Gentoo Packages
Compiler:          gcc version 3.4.4 (Gentoo 3.4.4-r1, ssp-3.4.4-1.0, pie-8.7.8) 
OS:                Linux

When I run digikam the main window opens but no thumbnails are displayed.  In the shell there is the error:

digikam: ERROR: : couldn't create slave : Unable to create io-slave:
klauncher said: Unknown protocol 'digikamtags'.

This is with 0.7.1 but I got the same error previously (I think) with 0.8.0- I downgraded to see if the problem went away.

I think this happened after a recent "emerge world" on Gentoo, and it happened on 2 different identical machines so I doubt it's a random thing.  I'm experiencing another problem with may or may not be related- I've lost all png icons in the kmenu and kicker.

I've tried reinstalling digikam and several other applications and libraries- libpng, mime-types, kdebase-data, kdebase-kioslaves, kdemultimedia-kioslaves as well as the entire kdelibs.  Doesn't help.
Comment 1 rfc469 2006-01-07 17:48:02 UTC
I upgraded to 0.7.4 and now there's a different error:

kio (KMimeType): WARNING: KServiceType::offers : servicetype KIPI/Plugin not found
kio (KMimeType): WARNING: KServiceType::offers : servicetype Digikam/ImagePlugin not found

But there are still no thumbnails displayed.  No one has any idea what this indicates?
Comment 2 Tom Albers 2006-02-04 20:45:03 UTC
is libkipi, libkexif and libexif installed? Anyhow this seems a broken installation to me...
Comment 3 rfc469 2006-02-04 22:16:49 UTC
Yes all of those were installed from Day 1.  I've described my experiences in more detail here:

http://forums.gentoo.org/viewtopic-t-420495.html

Yes, something is definitely broken.  It may not be digikam specifically but that is the most obvious symptom.  I was hoping it would be obvious to someone from the error message where the problem lies, but perhaps not.

I've pretty much given up trying to fix this, hoping that upgrading to kde 3.5.1 would solve the problem.

Comment 4 Tom Albers 2006-02-04 22:27:17 UTC
it seems not to register the io-slaves we make, I'm not sure what causes it, it could be as simple as running kbuildsycoca from the command line.
Comment 5 rfc469 2006-02-04 23:38:13 UTC
I've tried running kbuildsycoca before but I just tried it again, both as myself and as root with the --global option...  I'm not sure what it does but there are many warnings like this:

kbuildsycoca: WARNING: '/usr/share/applications/kde/amarok.desktop' specifies undefined mimetype/servicetype 'audio/midi'
kbuildsycoca: WARNING: '/usr/share/applications/kde/amarok.desktop' specifies undefined mimetype/servicetype 'audio/x-aac'
kbuildsycoca: WARNING: '/usr/share/applications/kde/amarok.desktop' specifies undefined mimetype/servicetype 'audio/x-m4a'

I also just noticed in .xsession-errors there is the following:

Could not find 'kio_digikamdates' executable.
Could not find 'kio_digikamalbums' executable.

In any case I get the same errors when trying to run digikam.  Thanks for trying to help though!
Comment 6 Tom Albers 2006-02-04 23:48:20 UTC
I'll close the bugreport here, I'm pretty sure the problem lies in your computer setup, not digiKam. Sorry about that. I think the gentoo forum is the best forum to debug this further.
Comment 7 caulier.gilles 2016-12-24 14:47:02 UTC
digKam KIO slaves have been removed since 5.0.0 and replaced by a
multi-threaded interface.