[Bug 258837] New: Digikam sometimes fails to add Metadata to Nepomuk

https://bugs.kde.org/show_bug.cgi?id=258837

           Summary: Digikam sometimes fails to add Metadata to Nepomuk
           Product: digikam
           Version: 1.6.0
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Metadata
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.6.0 (using KDE 4.5.4)
OS:                Linux

Digikam seems to randomly stop adding metadata tags into nepomuk some time
after it has started.


Reproducible: Always

Steps to Reproduce:
It's hard to desrcibe exactly what is happening here because it's a bit random,
but I can describe what I did.

New user, clean install. Start digikam for the first time and configure one
collection (in ~/Pictures), with SQLite database files stored in that folder.
Under 'Metadata' options disable 'Save image tags as keywords tags' (I don't
think this is relevant though)
Under 'Metadata' enable 'Store metadata from digiKam in Nepomuk' and 'Read
metadata from Nepomuk'.
Quit digikam. Copy a few pictures into ~/Pictures (4 folders, with just 3 or 4
images in each, all JPEG).
Restart digiKam. Select an image in the first folder and create a tag "Tag1"
and Apply it to the image. View the image in Dolphin and it shows 'Tag1'
applied.
Select another image. Create a new tag "Tag2" and apply "Tag1" and "Tag2" to
that image. View this image in Dolphin. Dolphin shows no tags applied to this
image.

Sometimes I can go through several images before this happens.

I think it is a digiKam problem and not nepomuk because I can add the same tags
to the same files from Dolphin and it always works.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=258837


Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
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          Component|Metadata                    |Database




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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=258837





--- Comment #1 from Marcel Wiesweg <marcel wiesweg gmx de>  2010-12-05 20:18:19 ---
Can you check if you have a process digikamnepomukservice running? Does the
random dysfunction correlate with a disappearance of this process?

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--- Comment #2 from  <fatgerman googlemail com>  2010-12-06 12:43:43 ---
I've got no such process running, either when things are working or when they
are not. Does this process only start while files are being tagged? I've failed
to find it in any case.

ps -ae | grep digikam
 4589 ?        00:00:04 digikam
 4621 ?        00:00:00 kio_digikamdate
 4622 ?        00:00:00 kio_digikamalbu

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--- Comment #3 from  <fatgerman googlemail com>  2010-12-06 17:13:04 ---
Today I was doing some more tagging and I noticed that after a while the
tagging process started taking a very long time. I noticed then that the
kio_digikamdate process was no longer running, and this seemed to coincide with
the tags no longer being correctly added to nepomuk.

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Database                    |Nepomuk Interface




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RSB <[hidden email]> changed:

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                 CC|                            |[hidden email]

--- Comment #4 from RSB <[hidden email]> ---
I have the same problem with person tagging (face recognition). The persons
names should be added as tags to nepomuk. But the tags arn't applied to all
photos (in nepomuk - tested with dolphin and nepoogle). It are always the same
photos which won't be tagged. So this isn't a random behavior.
Digikamnepomukservice is running as child process of nepomukservicestub.

I enabled all nepomuk and digikam related debug sources in kdebugdialog.
For testing I have tagged the two photos with digkam. After that I opened the
tag tab and deselected and selected the persons tag a second time. Than I
applied.

You can find the output after I applied the tag again in the attached txt
files.
Hope this is helpful.

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--- Comment #5 from RSB <[hidden email]> ---
Created attachment 70160
  --> https://bugs.kde.org/attachment.cgi?id=70160&action=edit
debug output of tags which will correctly submitted to nepomuk

debug output of tags which will correctly submitted to nepomuk

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--- Comment #6 from RSB <[hidden email]> ---
Created attachment 70161
  --> https://bugs.kde.org/attachment.cgi?id=70161&action=edit
debug output of tags which will not correctly submitted

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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=258837

Marcel Wiesweg <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED
      Latest Commit|                            |http://commits.kde.org/digi
                   |                            |kam/b882df3641e6a3b6b0ff355
                   |                            |52d1c9cda434e868e

--- Comment #7 from Marcel Wiesweg <[hidden email]> ---
Git commit b882df3641e6a3b6b0ff35552d1c9cda434e868e by Marcel Wiesweg.
Committed on 17/10/2012 at 18:36.
Pushed by mwiesweg into branch 'master'.

Disable the current implementation of a digikam-nepomuk integration.

By information from the Nepomuk maintainer, the relevant API have been
replaced.
Essentially, the current code is at best not functional, at worst polluting
your Nepomuk db.
A new implementation needs to be written based on current APIs.
Related: bug 264124, bug 276457, bug 282918, bug 283168, bug 304052, bug
279404, bug 305079

M  +35   -35   CMakeLists.txt
M  +12   -0    utilities/nepomuk/digikamnepomukservice.cpp
M  +13   -0    utilities/nepomuk/digikamnepomukservice.h

http://commits.kde.org/digikam/b882df3641e6a3b6b0ff35552d1c9cda434e868e

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |3.0.0

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