Lightroom Mobile: Offline export fails despite having “stored locally”

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  • Problem
  • Updated 2 weeks ago
  • Acknowledged
  • (Edited)
Hi,

Here’s another bug and easy to reproduce:

  1. Enable store locally and wait for completed download
  2. Disable network
  3. Try to export an image
This will fail

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Antoine Hlmn

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Posted 4 weeks ago

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Jim Wilde, Champion

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It will depend on other settings....check the Lightroom settings>Cloud Storage & Sync tab to make sure that "Only Download Smart Previews" is NOT enabled. If it IS enabled, then "Store Locally" will only download Smart Previews for the images in that album.

But even if you only have Smart Previews, the export should still work without a network connection provided that, in the export settings for the export type you are using, the "Dimension" field is set to less than 2560px....so either use "Small (2048 px)" or "Custom" and choose 2560px or lower. If it's set to "Largest Available Dimensions" and you only have a Smart Preview stored locally, then yes the export will fail when the network is unavailable (assuming the cropped diemnsions of the image exceed 2560px on the long edge).

If you tap on the cloud icon next to the Share icon, the app will tell you what you have stored locally, i.e. either Original or Smart Preview.
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Antoine Hlmn

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Yes, you can see it in the video: stored locally checked and the blue check on the album indicating it's sotred locally. I can also edit the file normally, meaning the file is there. It's really a bug.
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Jim Wilde, Champion

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I agree when using "Largest Available Dimensions", but cannot see any problem when exporting a locally stored smart preview when using either the "Small" or "Custom" options. I've tried different images and different export types (e.g. Save As, Export to Camera Roll, Export as...), different devices (iPhone and iPad) and they all work. 
(Edited)
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Antoine Hlmn

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Fails even with small:
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Jim Wilde, Champion

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I've tried everything I can think of to reproduce that problem with the "Small" export, but whatever I try works as expected. Which may just make it more difficult for Adobe to figure it out....it'll depend on their ability to recreate it on their own devices. The fact that we are seeing different results may even be related to the type of iPad and the iOS version...I was using an iPad Mini running iOS 12.4.3, and an iPhone 8+ running iOS 13.3.

The only thing you didn't show on that video is checking the status of the selected image prior to trying the export (I agree that the blue badge on the album should guarantee that the smart preview is stored locally, but it does no harm to check the individual file).

And I assume you tried different images and different export methods, e.g. Export to Camera Roll, with the same result?
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Antoine Hlmn

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All seems ok.
And anyway, if I download locally, I don't need to check everything before I enter a plane. Having thos kind of bugs is what makes LR a pain to use on a daily basis. It never works as expected...
(Edited)
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Antoine Hlmn

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I’ve tried wit another album, another camera and lens, dimensions small and max available and I could never export an image, so issue is reproductible.
padOS: 13.3.1
LR: 5.1.0 93E03A

I’d like to see an official response (Rikk?) and see this post flagged as acknowledged.
(Edited)
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Rikk Flohr, Official Rep

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Well, here is an semi-official response, Antoine. My results agree with Jim's. 
  • Raw files (Canon 5D Mark IV) synced from Lightroom Classic as Smart Previews.
  • iPad album set to store locally and synced. 
  • Wifi is disabled
I am able to share/export as Small (2048px) and as Custom where Long Side is ≤ 2560. 

I also am not able to reproduce what you are seeing. 

Did I miss any steps here?
(Edited)
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Antoine Hlmn

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No, same number through all the apps, so reinstalling Lr on the phone helped. My bad, my reply wasn’t clear at all.
But still, I can’t explain why both devices claimed to be “synced” wile they were not. Also, the previously wrongly empty collection is now synced correctly.

Are you talking about “cloudy” desktop? If yes, that’d be, at least to my knowledge, the only option to check this, but seeing how buggy sync already is, their is no way I’m going to throw another app into the equation. One a don’t care about and won’t use.
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OK, if the iPhone is now correct, how about trying to download the smart previews for that album and then trying the offline export again?
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Antoine Hlmn

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On iPhone :
Max available : still fails
Small (2048): works
Custom 2651 (!) : works
Custom 5000 : works

Tested on a couple of images
(Edited)
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Jim Wilde, Champion

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Yes, that's what I would expect, based on my own testing. So a quick recap:

1. We're both seeing the same issue with "Largest Available Dimension", so we think that's a bug. I've checked on an Android phone, and "Largest Available Dimension" does work on that device.
2. When doing successful exports while offline, I'm seeing a very brief "Unable to export while offline" message appear. Did you also notice that when testing on your iPhone? If so, we could call that a bug as well (I don't see that message in the Android app), though it's simply a false flag.
3. That still leaves your original issue when trying to export while offline on your iPad. If an app delete/re-install didn't fix it, then I'm out of ideas...maybe it's related to the device type/iOS level? Whatever it is, I think you'll need Adobe to address that with you.
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Antoine Hlmn

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Indeed, Jim:


  1. Largest available fails on both my iOS devices, small and custom (even upscaled) work. -->  Bug

  2. Note that "small" and "custom" used to fail on iPad despite being solved by a reinstall, the presence of a bug is still undeniable*

  3. No, I don't see "unable to export" but a "rendering" wheel (see image below)

  4. Indeed, we've narrowed down to the case where "only" export with max available fails... until the bug reappears

--> Maybe even more importantly, we've come across YET ANOTHER sync bug, on which we have no investigation possibilities, but probably plays an important role in this story. But as it involves Classic, I'm sure this bug will be parked as WontFix.

*I don't won't Adobe to believe reinstalling an app is an acceptable solution or fix, especially when offline work makes this workaround impossible to apply!

(Edited)
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Rikk Flohr, Official Rep

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This issue (Largest Available from Proxy) should be fixed in the next release of Lightroom mobile. 
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Jim Wilde, Champion

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Thanks Rikk.....I've also raised a bug report for the misleading "unable to export while offline" message. That seems to be restricted to iPhone only, though it appears for all types of valid export (i.e. not just smart previews, but also originals).
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Antoine Hlmn

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Hi Rikk! New update today (and what an update!!) but bug is not fixed !
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Rikk Flohr, Official Rep

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Updates to Lightroom Classic, Camera Raw, and the Lightroom Ecosystem were released yesterday and contain a fix for this issue.  Please install the appropriate update and see if it solves this problem. You can read more about the updates here.

Thank you for your patience. 

Note: I am no longer seeing this issue on my own devices. 
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Antoine Hlmn

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Still in "Max Available":

(Edited)
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Antoine Hlmn

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Same error message on iPad when trying to export in "Max available".