Re: [libreoffice-users] Images silently disappears from write document

Hi Bo.
I had this issue quite some time ago in LO4 or 5, although in my case 
the images were all stored in the file and I would lose them from the 
Pictures directory in the file. The images stopped disappearing when I 
turned "Save Autorecovery" off in the Load/Save options, and I became 
diligent with manual saving. Somewhere along the way with a few version 
changes and new user profiles the issue stopped and I have not 
experienced it for quite some time. I never really determined the cause, 
but like you my documents had a long history.

Steve

On 12/01/2021 03:38, Bo Siltberg wrote:
> Hi,
>
> I have a large document with lots of images.
> All image files are stored on disk externally from the document, in a
> directory just beside the odt file. I use relative links to them from the
> odt file (inserting them as link).
>
> Now and then, *a large amount of images suddenly disappears from the odt*
> as if they never were inserted into the document. I see this fault first
> after having closed and reopened the document. I have lost about 100 images
> each time...
>
> The image file itself is intact, nothing wrong with it. I can insert it
> again.
> I have never *seen* that an image gets missing when I just do save, but
> since close and open does not update the file(?), the bug seem to occur "in
> the background" during save. After save, the images are still there in the
> opened document and I can continue adding more.
>
> The image count in *Files->Properties->Statistics* still show the correct
> old number as it should be when I open a faulty odt, but I am uncertain how
> this count is kept, whether it actually counts the image tags. It's
> behaviour is strange. What does the reset button do? When fiddling around
> with reset, OK and other stuff I suddenly see a lower image count here
> which probably reflects the true amount. I have monitored this count in
> order to detect when images disappear, but obviously that count was a false
> indication. I suspect the fault occur at save, but I don't *see* the fault
> until I close and reopen the document?
>
> The missing images are not part of the *Edit->Links to external files*...
> And they are not part of the *Images* list in the *Navigator*.
> If I open the xml file inside the odt, there is no trace of the image at
> the place where it should be located.
> So, the image is truly gone from the xml code.
>
> One interesting observation is that images of type *.svg* seem to create a
> png copy inside LO, which is stored in the Pictures directory of the odt. I
> have noticed that LO sometimes fails to write all of them. Some may be
> missing, but after opening the document and saving it again, they reappear
> (not 100.0% sure about this).
>
> I'm using the latest stable version 6.4.x of libreoffice.
> I first saw this problem in September. Not sure for how long it has been
> there.
> The document has about 1400 pages with about 1800 images. I *am* aware of
> its size...
> It has an old history, starting in the old version of Google Docs, to
> openoffice and then to libreoffice writer. I wonder if there is a way to
> "clean" the xml file?
>
> To my question, is this a known problem? Is redmine the place to report it?
>
> A more pressing question is *how I can monitor this bug. How do a get a
> true count of images* in the document that I can use regularly to monitor
> this? I cannot get a grip on the behaviour of the statistics page. Do I
> need to write a macro, or a python script that reads the odt?
>
> I can try 1000 things to isolate this bug, but I stop here in case someone
> can point me in a good direction.
>
> Thanks
> Bo


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