Indexing fails when indexing a folder which should not be indexed

Below /mnt/ there is a Cifs/smb share which sometimes the server goes offline, at that moment it is not possible to properly access that folder. I don’t want urbackup to backup it anyway, so I’ve added it to the exclude list:
/mnt/*;/mnt/;
and also set the backup-job to stay inside the filesystem.
Unfortunately what happens is:

Errors

23/10/19 18:44
Error while listing files in folder “/mnt”. User may not have permissions to access this folder. Errno is 0
Errors

23/10/19 18:44
Indexing files failed, because of error
Errors

23/10/19 18:44
Constructing of filelist of “compname” failed: error - index error
Errors

23/10/19 18:44
Backup had an early error. Deleting partial backup.

So it seems to try to list directories below /mnt eventhough it is in the exclude list. And also to list the directory which is the entry point to another filesystem (ok, there I’m not 100% sure if it should do it or not)

You should probably add /mnt to the excludes.

/mnt/ does nothing because of the trailing slash. And /mnt/* excludes the folder contents, which requires listing the folder…

Listing other file system: Do you have the one_filesystem flag active for / (see urbackupclientctl list)?