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Our .NET VB2015 program with FTP2 works fine with a lot of different FTP servers, but only with one server we cannot transfer files. Firewall is disabled, Transfer of same file to a lot of other servers works fine with FTP2 Transfer of same file with WINSCP to this special server works also but.. Transfer with chilcat does not work! No error! The FTP Log says, that everything is ok, but the file never arrives on the server. Mention: if i try it with WINSCP (FTP, not SFTP), it works fine. Tried a lot of combinations with active and passive ftp, with FTP.PassiveUseHostAddr true or false always same result : no transfer with successful message.

Any ideas? The provider of the server doesn't .... :(

Here is the log which says, transfer is successful, but file is not stored at the server.

220 xxx.nexmart.net FTP server (IS FTP-Service, version 5.8.6) ready.
USER Hxxxx
331 Password required for Hxxxxx (16765884e62f9b76).
PASS ****
230 User Hxxxx logged in.
TYPE I
200 Type set to I.
SYST
215 UNIX Type: L8 Version: IS 5.8.6
FEAT
211-Extensions supported:
 CLNT
 AUTH TLS
 PBSZ
 PROT
 MDTM
 MFMT
 PASV
 REST STREAM
 SIZE
 XCRC "Filename" SP EP
 XMD5 "Filename" SP EP
 XSH1 "Filename" SP EP
211 End.
CWD /INVOIC
250 CWD command successful.
PASV
227 Entering Passive Mode (185,87,132,10,198,145)
STOR test.txt
150 Binary data connection for /INVOIC/test.txt (10.18.24.2,50833).
226 Binary transfer complete.
QUIT
221 Goodbye.

By the way: i cannot change my login password in the forum ?? authentication settings brings: 500 Server Error , sorry, system error ...

asked Apr 19 at 11:19

Klaus_RS's gravatar image

Klaus_RS
1112

edited Apr 19 at 11:33

jpbro's gravatar image

jpbro ♦
1.1k2618


Problem solved: Error was sitting in front of the Computer :)

But it was very hard to find. What we did not know, that the receipient polls the received files at disconnection and deletes them. So, when we sent the file and connected again, the file was not there. We checked this with uploading and immediately downloading of the file. This worked. So the file must be transferred.

Then, when we stopped before the disconnection, we could see the file at the server. After a lot of phonecalls with the receipient we got finally a contact to the right admin, who could us explain, why the files disappear and why they were not computed.

So please excuse, that I've wasted your time.

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answered Apr 20 at 04:41

Klaus_RS's gravatar image

Klaus_RS
1112

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Asked: Apr 19 at 11:19

Seen: 366 times

Last updated: Apr 20 at 04:41

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