Multiple and sudden sync errors on a member.

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hello. here is my new problem : The Windows 11 server in a sync group has put all its shares out of sync. It happened suddenly.

  • The group consists of 2 Android tablets, 2 Android smartphones, 2 Fedora 40s, 1 Docker instance on an Asustor NAS and a Windows 11 laptop (it’s the latter that’s causing the problem).
  • Shares are read/write
  • The shares are password-protected.
  • Each share has some files that are out of sync (only on win laptop), including those that have been modified or created recently.
  • The erroneous changes were mainly made by the 2 fedoras and a smartphone (the other members of the share have no modification activity).
  • Some errors have no reasonable explanation. For example: an index.html file is updated by a script on a fedora server. it is listed in the desynchronised files.
  • Two new files added to the Windows 11 laptop were distributed normally to all members of the share.
  • All changes were distributed normally to all other members of the share.
  • After renaming a file on a Fedora laptop (one displayed in error on laptop), the name change was propagated to all members. The Windows laptop displays the error with the new file name.

The errors displayed for unsynchronised files are sync: no connected device has the required version of this file (immediately after waking up).

Then the message becomes : syncing : finishing : pull:generic error

Versions:

  • Linux Fedora and Docker/NAS: 1.27.12
  • Windows: 1.28.0
  • Android: 1.27.3
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I would guess it’s the same problem as https://github.com/syncthing/syncthing/issues/9784. In short, you need to remove all folder passwords unless you’re sharing the folder in order to add it as “Receive Encrypted” on the remote device. Otherwise, the password is useless and causes sync issues as of Syncthing v1.28.0 and later.

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Hi Tomasz.

Thanks for you answer, and for your link. Ive already found a page which gave that solution, but without explaining about password setting in sharing.

The information message in the absence of a password is already unclear ( if untrusted enter encryption password ), but its translation on the French version is really very unfortunate ( Entrez un mot de passe pour chiffrer ==> Enter a password to encrypt )

As soon as I’d removed the passwords, the shares started to synchronise normally, and now the laptop is up to date like all the others.

Thanks again.

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