qt example : qftp ,client can't access the ftp

[ensky_cy]

qt example : qftp ,the client (int window xp)can't access the ftp(in ubuntu) .when I use this example,there is no directory,show empty.The FTP Server is in ubuntu,and the ftp document have some file.I am puzzled.Somebody can tell me why this occur,why the client can't show the file.Thank you!!

[mgoetz]

Are there any error messages?

Can other ftp clients (e.g. your webbrowser by using a ftp:// URL) display it?

[ensky_cy]

Thank you!I find I have error Url,it should add username and password