“Conflict when uploading a folder. It’s going to get cleared!” when creating new folder in Desktop Client

[wonx]

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Expected behaviour

I have synched my library, most of which from an external storage, with my Ubuntu laptop, and with the experimental virtual filesystem enabled. It's maybe 1.5 o 2TB of data, and a few hundreds of thousands of files.

Once everything was synced (took a few hours) without errors. I decided to test it by moving some files around or creating new ones.

Actual behaviour

It turns out that every time I try to create a folder, I get this error message:
“Conflict when uploading a folder. It’s going to get cleared!”
and the folder immediately disappears. That also happens in the folders not located in external storage.

If I create the folder in the web interface, or directly in the internal storage, it is synced correctly and the folder appears.

Steps to reproduce

1. Sync nextcloud using virtual filesystem.
2. Wait until it finishes without errors.
3. Create new folder in the synced file tree.

Client configuration

Client version: 3.3.5 (appimage)

Operating system: Ubuntu 20.04 LTS

OS language: Catalan

Qt version used by client package (Linux only, see also Settings dialog): (couldn't find it)

Client package (From Nextcloud or distro) (Linux only): Nextcloud-3.3.5-x86_64.AppImage

Installation path of client: /home//Applications/

Server configuration

Nextcloud version: 22.1.0 and mysql

Storage backend (external storage): sftp

Logs

Please use Gist (https://gist.github.com/) or a similar code paster for longer
logs.

[wonx]

[wonx]

(I can't seem to upload the zip file with the log files...)

[FlexW]

@allexzander That might be something you want to have look at. Could that be an issue with the rename logic?

[wonx]

Btw, I cannot create new folders (they get deleted immediately), but I can rename existing ones without a problem.

[allexzander]

(I can't seem to upload the zip file with the log files...)

@wonx Could you kindly upload your logs here? https://cloud.nextcloud.com/s/cxarZK2aESJxXoq

[wonx]

Hi. I have uploaded the logs from the desktop client to the url you mentiond. In these logs, I basically started Nextcloud, wait until the icon was green, then created a folder called "Test folder" and waited a couple seconds until it was automatically deleted, then closed the client.

By the way, I noticed it only happens with empty folders. I can copy a folder with files inside, but I the problem appears when it's empty.

[allexzander]

@wonx Thanks. I have studied logs, but, I need more information, hence, I have built a custom build https://cloud.nextcloud.com/s/6pmWAtwjd9sYC9t with more logs in places of my interest. Would you have some time to install this build, then reproduce an issue again using this custom build? I will have more information with those new log statements added which may help me find the root cause of the problem. You can upload logs created with custom build into this link https://cloud.nextcloud.com/s/MRFLJmJaknBmdXg.

[nicx]

Same problem here with Mac OS Monterey on an Macbook with M1 CPU. Using Nextcloud client version 3.3.6 with virtual filesystem enabled.

[wonx]

@allexzander I have the issue in my Ubuntu installation (I have not tried it enough in my Windows partition). Do you have a version of the custom build that I can run in linux (maybe .appimage or .deb?)

[Guigxs]

Same problem on my side with Manjaro. Using Nextcloud client 3.3.5 with virtual filesystem enabled.

[ixnextuser]

Same problem, Big Sur on Intel.

Even if I create a folder and get to put some file in there before the client deletes it the folder is either deleted or the client is unable to sync the folder. You can try to reproduce this behaviour by marking several files and make a new folder with selected files.
I am happy to hear you are already on it!

[fenpaws]

Hi i noticed that this issue is closed, but I still have the Issue in MacOS Monterey (Intel), I use the latest available build, 3.3.6. Also, VFS is enabled for those folders.

[nicx]

@fenpaws as far as I understand the fix #3987 this should be solved with milestones 3.4.0. So either you have to switch to the current beta or just wait for the release of this version ;)

[fenpaws]

@nicx Well I also tried the Beta and still have the issue, well anyway then I need to wait and disable my sync for a while. Thanks!

[allexzander]

@fenpaws Have you tried RC2 https://download.nextcloud.com/desktop/prereleases/Mac/Nextcloud-3.4.0-rc2.pkg ?

[fenpaws]

@allexzander Okay RC2 fixed it for me, I thought switching the update branch to beta would suffice.

[wonx]

Thanks for your time in fixing it. I will try as soon as my client updates.

[ghost]

@allexzander Just got this issue on Client 3.5 and it been happening on 3.4 also i moved a while folder with a lot a file into a external storage dr via desktop and the client said Conflict when uploading It's going to get removed. I just lost a lot of data this is messed up. Someone needs to fix this ASAP!!!

[ghost]

Why is the client deleting data without my approval ? If the data cant be uploaded then it should notify the user and no delete it. Who's going to get all my data now ?

[ghost]

Also I put in a trouble ticket about this back in Feb 11 and no one from support even acknowledged it and the bot closed it.

#4269 (comment)

[platima]

I had a random assortment of files and folders wiped due to this. Details: https://www.reddit.com/r/NextCloud/comments/14ngkv8

No idea why.

[platima]

How is this still happening? I paste a source folder into a another folder that is synced to NC, and then it disappears with all the contents, and the log shows sync error "it's going to get cleared". How is permanently erasing data a solution?

[allexzander]

How is this still happening? I paste a source folder into a another folder that is synced to NC, and then it disappears with all the contents, and the log shows sync error "it's going to get cleared". How is permanently erasing data a solution?

You mean you moved a folder from a non-Nextcloud synced location to a Nextcloud synced location it disappeared? Or is it present in the server's trash bin?
What version of the client you are using?
What were previous error messages, could you create a debug archive from the Settings dialog?

[platima]

I mean I am working in a folder which is synced to the server, I go to another folder that is not synced and cut a folder full of items, going back to the synced folder I paste it. A few seconds later it f#$ks off into the ether, and when I check the NC log it shows that it was a conflict and 'cleared'.

Latest client I believe, updated a few days ago and had to reboot my whole dang computer as always.

No other error messages. Oddly that log about "it's going to get cleared" also disappears after not long, as others have also reported.

[lildadou]

If I cut and paste (or move) a folder then I have the problem.
If I copy-paste a folder then the problem doesn't appear.

[allexzander]

If I cut and paste (or move) a folder then I have the problem. If I copy-paste a folder then the problem doesn't appear.

Is the folder you are moving already in the sync folder or is it outside somewhere on your PC? A PR here will make internal moves into a single DB write operation, mitigating the possibility of problems caused by sequential moves while the previous move is still being written into the DB #6211

[lildadou]

Is the folder you are moving already in the sync folder or is it outside somewhere on your PC?

Outside of the sync folder and this only seems to apply to "large files" (tested for >2Gio).