[racket] FTP strange behavior

I can tell you what it means, but I don't know why it would do it...

2011/2/7 Eduardo Bellani <ebellani at gmail.com>:
> Hello list
>
> I am getting an error out of this snippet that I think I should not be
> getting:
>
> (require net/ftp)
>
>
> (define conn (ftp-establish-connection "ftp.datasus.gov.br" 21
> "anonymous" ""))
>
> (ftp-cd conn "siasus/Documentos")
>
> (ftp-download-file conn "./" "APAC.xls")

This establishes a connection on the side to receive the data. There
is normally just one per transfer. Maybe the server is sending the
message multiple times? And so it is trying to open two? Can you use
WireShark to get a transcript of the session?

Jay

>
> (ftp-close-connection conn)
>
>
> the error is
> ftp: exected result code 150, got 125 Data connection already open;
> Transfer starting.
>
> My version is 5.0.2/linux
>
> Could anyone tell me what could be wrong?
>
> --
> Eduardo Bellani
>
> omnia mutantur, nihil interit.
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-- 
Jay McCarthy <jay at cs.byu.edu>
Assistant Professor / Brigham Young University
http://faculty.cs.byu.edu/~jay

"The glory of God is Intelligence" - D&C 93