[digiKam-users] Can't find duplicate images anymore

[loup+digikamusers at lo-cal.org]

Can someone help me with my question below?  I've been trying to make it 
work and I've made zero progress.

I tried deleting the similarity database and letting digikam rebuild 
it.  No change.

I tried turning on logging and looking for a clue.  If "Restrict to" is 
set to "Only Selected Tab", "One Of", or "Tags but not albums", then 
clicking "Find duplicates" returns immediately and produces these log lines:

digikam.geoiface: ----
digikam.general: Stacked View Mode :  0
digikam.general: Using  12  CPU core to run threads
digikam.general: Action Thread run  12  new jobs
digikam.geoiface: ----
digikam.general: Event is dispatched to KDE desktop notifier
digikam.general: Cancel Main Thread

If I select "Both" or "Albums but not tags", then the operation will 
appear in the UI to run, but stays stuck at 0% for a long time (tens of 
minutes) and produces these log lines:

digikam.geoiface: ----
digikam.general: Stacked View Mode :  0
digikam.general: Using  12  CPU core to run threads
digikam.general: Action Thread run  1  new jobs
digikam.dbjob: No image ids passed for duplicates search
digikam.geoiface: ----

I tried running from an AppImage.  It runs the same.

Can someone help me please? Should I be asking somewhere else?

On 3/1/23 23:35, loup+digikamusers at lo-cal.org wrote:
>
> I can no longer find duplicates using digikam.
>
> I used to be able to find duplicates without a problem.  But now, when 
> using the same workflow as always, the duplicate list ALWAYS comes up 
> empty.  I've even tried copying one of the images to create an exact 
> duplicate and it can't even find that.
>
> I've tried using the latest Ubuntu package (which give v7.5.0). the 
> latest snap package (v7.6.0) and the latest AppImage (v7.7.0).  All 
> behave the same way.
>
> I'm not even sure how to troubleshoot this.
>
> My workflow is:
>
>   * tag all the images that I want to check with a unique tag.
>   * Go to the duplicate panel and clear all the album and tag selections.
>   * Select the unique tag from step 1.
>   * Restrict to = "Only selected tab"
>   * Similarity Range: 100% to 100% (I only want to find identical
>     duplicates)
>   * Restriction: None
>   * The I hit "Update Fingerprints", wait for completion
>   * Then "Find Duplicates"
>
> This comes up empty.
>
> If I set the similarity range to something wider, like 80% to 100%, 
> then I get some hits of similar pictures, but none of the -identical- 
> pics come up in the list.
>
> What is going on?
>
>
>
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