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From "Wolfgang Pasche (JIRA)" <>
Subject [jira] Commented: (NET-190) [FTP Client] Not listing files with 'invalid' date
Date Fri, 29 Feb 2008 19:04:51 GMT


Wolfgang Pasche commented on NET-190:

I just entered to submit the same issue. In my opinion, the solution must be to add the year
field before the first parse, instead of doing this after successful parsing (which is done
now). The reason for this problem is the stupid behaviour of all unix systems, to omit the
year, when displaying dates in the "nearest" past (I don't know the limit). Unfortunately
even the ftp servers do the same.

It would be very nice, if someone could fix this issue shortly, because we programmed a JobScheduler
on base of, and so at the moment this program is not able to get any file from
a directory containing a file from Feb 29 because of the null elements in the FtpFile array
(okay, this could be fixed by skipping the nulls, but of course we need also to get the files
from this date).

Thanks in advance

W. Pasche, Sabre Travel Networks

> [FTP Client] Not listing files with 'invalid' date
> --------------------------------------------------
>                 Key: NET-190
>                 URL:
>             Project: Commons Net
>          Issue Type: Bug
>    Affects Versions: 1.4
>         Environment: FTP Gateway: Response:	331-httpiproxy2 FTP server (Version
- 2005/01/11 13:03:28) ready.
> FTP Server: Response:	215 UNIX Type: L8
> FTP Client: Jakarta Commons VFS over Jakarta Commons NET
>            Reporter: Diego Souto
>   Original Estimate: 3h
>  Remaining Estimate: 3h
> When trying to list files in a FTP directory with two files returns 0 FileObjects.
> With another FTP client.... response is:
> ftp> ls
> 227 Entering Passive Mode (212,163,35,155,160,40)
> 150 Conexión de datos aceptada
> -rw-r--r--    1 0        0             222 Feb 29 09:47 AYC01R
> -rw-r--r--    1 0        0             688 Feb 29 03:04 AYC02R
> 226-Options: -l 
> 226 2 ocurrencias en total
> ... so there are two files with date "FEBRUARY 29" (2008 is a leap year)
> When listing files with Jakarta Commons VFS over Jakarta Commons NET it returns 0 files.
> I revised Commons Net source and I found in ''
the following code:
>             try
>             {
>                 file.setTimestamp(super.parseTimestamp(datestr));
>             }
>             catch (ParseException e)
>             {
>             	return null;  // this is a parsing failure too.
>             }
> So I guess maybe the timestamp parser is throwing a ParseException (perhaps it's guessing
a incorrect year) and in this case is returning NULL so the calling class is ignoring these
files with 'Feb 29' date.
> I think this behaviour is incorrect and must be fixed. If date is considered invalid
it would throw an exception,... not simply ignore the file.

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