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LrC Develop module hangs when exporting stacked files

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HighHarmonics

New Member
Joined
Aug 31, 2021
Messages
8
Lightroom Version Number
11.3.1
Operating System
  1. macOS 11 Big Sur
I'm having a problem with LrC that causes it to hang in Develop mode. I posted to Adobe Support Forum, with little luck. If anyone here has any relevant info, similar experience, or suggestions it would be much appreciated.

LrC: 11.3.1
MacOS: 11.6.6
iOS: 15.4.1 (iPad where photos are processed)

Description: When using LrC with jpg files that have been imported from an iPad, Develop hangs after export with "add to stack" and becomes unusable. Sometimes it will correct itself after some time (~ 5 - 10+ mins). Other times Lightroom hangs, won't quit and requires a Force Quit.

Steps to reproduce
  • select a .jpg file that has been imported from iPad
  • open in Develop
  • make changes (crop, make color changes, etc)
  • export, with "add to stack" selected (This is the essential part - exporting without "add to stack" often works.)
  • return to original - try to use "reset"
  • at this point, Develop features stop working - reset will fail, and usually the Develop screen goes completely black. Additionally, the stacked files won't unstack (option is grayed out)
  • After a Forced Quit and relaunching LR - it returns to normal.
I do realize there is a workaround - don't add to stack with exports. Sure, but stacking files has been fine for years, and I would hate to loose this option for organizing exports. Plus, this seems rather severe behavior - to cause the app to stop working.
 
I'm not able to reproduce this with any old .jpg in my test catalog. Perhaps it's specific to the particular .jpgs. Can you upload one of the problem .jpgs to Dropbox, Google Drive, or similar and post the sharing link here? Also, post a screenshot showing all the settings used in the Export window?
 
I'm not able to reproduce this with any old .jpg in my test catalog. Perhaps it's specific to the particular .jpgs. Can you upload one of the problem .jpgs to Dropbox, Google Drive, or similar and post the sharing link here? Also, post a screenshot showing all the settings used in the Export window?
Thanks John for working on this.
FYI - I'm just the "help desk" - my spouse is the artist and LrC end user. She isn't comfortable distributing her photo files. I realize that limits your troubleshooting options, sorry. Regarding the Export window settings, here is what we have:
  • Export location: Same folder as original
  • "Add to this Catalog" checked
  • "Add to Stack" checked - then "Above original" selected
  • Existing file: "Ask what to do"
  • File naming: Rename file to: Filename Sequence -- start with 1
When we uncheck "Add to Stack" - LrC behaves normally.

An additional piece of info: typically these files have been imported from an iPad, where they were processed with the app iColorama. (She uses this for creative development/processing, then saves locally - iColorama saves to Photos). Then import to the LrC catalog. After further use of LrC Develop - the export problems occur. It would be logical to conclude that the problem was caused by iColorama - somehow it adds something that throws LrC off during its export w stacking step. However, she has been working this way for a long time (> 6 months, maybe a year) with no problems - only more recently did the problems start. So my thought is something got introduced in a LrC release but I have no data to support that.

One other question - Adobe suggests reseting all Preferences, but that seems like just a standard support response. Thoughts on that?
 
She isn't comfortable distributing her photo files.

Could your wife take a "throw-away" photo that has the problem and send that one?
 
Thanks John for working on this.
FYI - I'm just the "help desk" - my spouse is the artist and LrC end user. She isn't comfortable distributing her photo files. I realize that limits your troubleshooting options, sorry. Regarding the Export window settings, here is what we have:
  • Export location: Same folder as original
  • "Add to this Catalog" checked
  • "Add to Stack" checked - then "Above original" selected
  • Existing file: "Ask what to do"
  • File naming: Rename file to: Filename Sequence -- start with 1
When we uncheck "Add to Stack" - LrC behaves normally.

An additional piece of info: typically these files have been imported from an iPad, where they were processed with the app iColorama. (She uses this for creative development/processing, then saves locally - iColorama saves to Photos). Then import to the LrC catalog. After further use of LrC Develop - the export problems occur. It would be logical to conclude that the problem was caused by iColorama - somehow it adds something that throws LrC off during its export w stacking step. However, she has been working this way for a long time (> 6 months, maybe a year) with no problems - only more recently did the problems start. So my thought is something got introduced in a LrC release but I have no data to support that.

One other question - Adobe suggests reseting all Preferences, but that seems like just a standard support response. Thoughts on that?
If she wants her problem solved she will have to share a file as it makes it easier to see if the problem exists on other computers and if so aid is solving the issue.
 
@jure, I followed your more detailed steps and couldn't reproduce the problem on my LR 11.3.1 / Mac OS 12.4.

It's possible that the specific file being edited and exported causes the problem. Absent that, there are two generic troubleshooting steps that you should try. They each have solved a wide variety of flaky LR behavior but don't have a high likelihood of success on any one problem -- but they're quick to try and so worth doing:

- In Mac OS System Preferences, grant LR Full Disk Access:
https://community.adobe.com/t5/ligh...ss-to-lightroom-classic-on-macos/m-p/12913413

That addresses a very common problem starting with Mac OS 12.3.1, which had a change in its security rules affecting LR. You're on 11.6.6, which came out at about the same time, so it's possible that Apple introduced the same change 11.6.6.

- Try resetting LR's preferences:
https://www.lightroomqueen.com/articles-page/how-do-i-reset-lightrooms-preferences/

LR sometimes soils its preferences file, and resetting it can fix all sorts of wonky behavior. That article explains how to restore the old preferences if resetting doesn't help.
 
Hmm, try rolling back to the last version you remember in which this worked (e.g. 11.2?). Not a long-term solution, but it could narrow down whether this is a recently introduced bug or something particular to your installation or usage that we haven't discovered.

LR releases about every eight weeks, so we might expect to see LR 11.4 in the next week or so.
 
@johnrellis

The OP said on the U2U forum the following

Screen Shot 2022-06-11 at 11.13.28 AM.jpg


It appears it is an Apple issue that was fixed or possibly an issue with the other program the OP was using in the iPad listed is the U2U post. A sample file needs to be posted.

Considering the issue is with older files, loading the files into Photoshop and resaving might fix them.
 
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