It seems to try to download the same file twice, but the size is different? Here is the log:
. 2008-06-09 21:07:09.976 File: "/user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.JPG"
. 2008-06-09 21:07:09.977 Copying "/user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.JPG" to local directory started.
. 2008-06-09 21:07:09.979 Binary transfer mode selected.
. 2008-06-09 21:07:09.980 Starting download of /user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.JPG
> 2008-06-09 21:07:09.981 TYPE I
< 2008-06-09 21:07:10.072 200 Type set to I.
> 2008-06-09 21:07:10.072 PORT 71,112,109,127,77,190
< 2008-06-09 21:07:10.165 200 PORT command successful.
> 2008-06-09 21:07:10.224 RETR PPPPPPPPPP.JPG
< 2008-06-09 21:07:10.409 150 Opening BINARY mode data connection for /user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.JPG (17335 bytes).
< 2008-06-09 21:07:10.872 226 Transfer complete.
. 2008-06-09 21:07:10.873 Download successful
. 2008-06-09 21:07:10.873 File: "/user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.jpg"
. 2008-06-09 21:07:10.876 Copying "/user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.jpg" to local directory started.
. 2008-06-09 21:07:10.877 Binary transfer mode selected.
. 2008-06-09 21:07:10.878 Starting download of /user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.jpg
. 2008-06-09 21:07:10.879 Asking user:
. 2008-06-09 21:07:10.879 Local file 'PPPPPPPPPP.jpg' already exists. Overwrite?
. 2008-06-09 21:07:10.879
. 2008-06-09 21:07:10.879 New: 22095 bytes, 2/6/2007
. 2008-06-09 21:07:10.879 Existing: 17335 bytes, 2/6/2007 1:00:00 AM ()
< 2008-06-09 21:13:22.282 421 Timeout (300 seconds): closing control connection.
. 2008-06-09 21:13:22.282 Copying files from remote side failed.
* 2008-06-09 21:13:22.282 (ExtException) Copying files from remote side failed.
* 2008-06-09 21:13:22.283 Timeout (300 seconds): closing control connection.
. 2008-06-09 21:13:22.283 Asking user:
. 2008-06-09 21:13:22.283 Error transferring file '/user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.jpg'. ("Copying files from remote side failed.","Timeout (300 seconds): closing control connection.")
. 2008-06-09 21:13:22.738 Disconnected from server
* 2008-06-09 21:13:22.738 (ESshFatal) Lost connection.
* 2008-06-09 21:13:22.738 Disconnected from server