Migrate from Dropbox to Nextcloud. Errors again

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Nextcloud version (eg, 12.0.2): 17.0.0
Operating system and version (eg, Ubuntu 17.04): unRaid 6.7.2
Apache or nginx version (eg, Apache 2.4.25):
PHP version (eg, 7.1): 7.3.10

The issue you are facing: I’m trying to sync my Dropbox folder to Nextcloud to migrate all the data and stop using Dropbox. However there’s some files that won’t sync. Also I’m getting huge differences in amount of files and size used by almost every folder. For example Dropbox folder “X” has 100 files and it’s 10GB while on Nextcloud usually it reports more files or less files and also a different size.

I really need to make sure all the files are syncing before moving out from Dropbox. There’s also some “files” that are actually folders, like iPhoto library and similar. Maybe Dropbox and Nextcloud are seeing this folders differently so the amount of files won’t match

Is this the first time you’ve seen this error? (Y/N): N

Steps to replicate it:

  1. Install Nextcloud desktop (macOS)
  2. Sync your Dropbox folder with your Nextcloud server
  3. You will get sync errors on some files and differences in sizes and amount of files comparing one and another

The output of your Nextcloud log in Admin > Logging:

Download log from here https://d.pr/f/CZ7B9h it's too long

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

$CONFIG = array (
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'datadirectory' => '/data',
  'instanceid' => 'xxxxxxxxx',
  'passwordsalt' => 'xxxxxxxxxxx',
  'secret' => 'xxxxxxxxxx',
  'trusted_domains' =>
  array (
    0 => '',
  'dbtype' => 'mysql',
  'version' => '',
  'overwrite.cli.url' => '',
  'dbname' => 'nextcloud',
  'dbhost' => '',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => 'nextcloud',
  'dbpassword' => 'XXXXXXXXXX',
  'installed' => true,
  'app_install_overwrite' =>
  array (
    0 => 'documents',

The output of your Apache/nginx/system log in /var/log/____:

I only got an error.log file which is empty. But maybe I’m not looking in the right place
this is working on a docker container with nextcloud and nginx

This is actually my second time trying to ditch Dropbox but I’m always facing the same problems. I’m not sure if all the files are being synced because I get tons of differences in amount of files and size. You can see my previous post here Errors when trying to migrate from Dropbox to Nextcloud

I’ve also tried by using the nextcloud desktop app to sync the folder AND copying it manually to the server and then let the DB update.

I thought I was experiencing a bug a few months ago and was hoping that by now it will be fixed. But turns out that maybe the bug is myself haha.

Thanks for any help!

ummm. can’t help you with your issue directly… but just had the following idea:
there’s an app in apps.nextcloud.com called External Storage backend for Dropbox - apply it to your nc and so that should enable you to mount your dropbox as an external device.
so you could just copy/move your data from dropbox to nc…

hope that would work for you :slight_smile:
happy nc’ing

Thanks for the reply. What would be the difference between that app and just directly copying the files to the server as I previously did? Looks like it will be basically the same?

I’ve installed this app and now the server basically died, I don’t have access to the web UI or anything O_O

I honestly don’t get it why is being so hard for me to sync everything correctly. Also worries me that by just installing a simple plugin now my nextcloud installation is basically broken

awww nooo… do you have shell access to your instance? so pls go there and occ disable that app. that shouldnt happen, of course.

good luck

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