FreeFileSync Forum

Updating QNAP will most likely fix the "Invalid number of arguments" bug. Zenju, 02 Nov 2020, 12:42

Works. Thanks.

Updating QNAP will most likely fix the "Invalid number of arguments" bug. Zenju, 02 Nov 2020, 12:42

I will think about it.

p.s. I checked other my progs.
They start from CWD.
For example, requests CWD >>> PASV >>> MLSD.

FileZilla uses CWD without "/" and OK.

Custom command test:
- MLSD >>> Does not working with ending "/"
- CWD >>> The ending "/" symbol does not matter

Can you update the FTP server software? Looks like a server bug.

All other FTP clients work Ok with this server.


If not, next step would be to find out what command FFS is sending to the server and see if the format is correct, e.g. via Wireshark.

Ok, found.

Double Commander --- Ok ...

Cannot read directory
"ftp://192.168.1.4/Qbackup/DriveA/black seed oil".

CURLE_FTP_COULDNT_RETR_FILE: RETR response: 501
501 Invalid number of arguments [curl_easy_perform]


Hi!

FreeFileSync (v. 11.2 64-bit 02.10.2020) сan not read FTP folders with space in path.
I did first mirror without any ...