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From Martin Gainty <mgai...@hotmail.com>
Subject RE: [Net] problem with listFiles(String pathname)
Date Fri, 25 Feb 2011 13:43:18 GMT

FTPFile[] ftpFiles=ftpClient.listFiles(fileName);if(ftpFiles.length==0)
{
//ABORT!!!
}

Martin 
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> Date: Fri, 25 Feb 2011 10:10:29 +0000
> Subject: Re: [Net] problem with listFiles(String pathname)
> From: ffrancesco83@gmail.com
> To: user@commons.apache.org
> CC: sebbaz@gmail.com
> 
> 2011/2/24 sebb <sebbaz@gmail.com>:
> > On 24 February 2011 18:12, Francesco Fazzini <ffrancesco83@gmail.com> wrote:
> >> Dear all,
> >>
> >> i need to retrieve metadata informations(FTPFile) from a specific file.
> >> This snippet of code I am using works fine in Unix, but not in my
> >> local machine(Windows).
> >
> > Are you targeting the same ftp server?
> > If not, are you sure they are serving the same files?
> 
> Yes this client is targeting the same FTP server, and i am running the
> client on two different OS. I tried also to connect to an another FTP
> server(so also other files) to check if it was an issue related to a
> specific FTP server but it is the same.
> 
> >
> >>         FTPClient ftpClient= new FTPClient();
> >>         if(!workingDirectory.equals("")){
> >>             ftpClient.changeWorkingDirectory(workingDirectory);
> >>         }
> >>         FTPFile[] ftpFiles= ftpClient.listFiles(fileName);
> >>         Date lastModified= ftpFiles[0].getTimestamp().getTime();
> >>
> >>         //in the last line i get an ArrayIndexOutOfBoundsException
> >> because "listFiles()" returns an empty array.
> >
> > That's because the code does not find any files that match.
> >
> >
> >>         I tried to sort out in these ways below, but it doesn't work the same:
> >>
> >>         1)adding  "ftpClient.enterRemotePassiveMode();" just after
> >> the fist line("FTPClient ftpClient= new FTPClient();").
> >>
> >>         2)adding "ftpClient.enterLocalPassiveMode();" just after the
> >> first line("FTPClient ftpClient= new FTPClient();").
> >>
> >>         3)I tried also adding this configuration to the client:
> >>
> >>         FTPClient ftpClient= new FTPClient();
> >>         FTPClientConfig config= new FTPClientConfig(FTPClientConfig.SYST_NT);
> >>         ftpClient.configure(config);
> >>         if(!workingDirectory.equals("")){
> >>             ftpClient.changeWorkingDirectory(workingDirectory);
> >>         }
> >>         FTPFile[] ftpFiles= ftpClient.listFiles(fileName);
> >>         Date lastModified= ftpFiles[0].getTimestamp().getTime();
> >>
> >> I would like it works with both environments, do you have any ideas?
> >
> > See above.
> >
> > Also, try adding control logging to the code:
> >
> >        ftpClient = new FTPClient();
> >        ftpClient.addProtocolCommandListener(new PrintCommandListener(
> >                                           new PrintWriter(System.out)));
> 
> Additional LOG (working case Unix):
> 
> CWD /pub/databases/files
> 250 "/pub/databases/files" is new cwd.
> SYST
> 215 UNIX Type: L8
> PORT 172,21,22,1,182,108
> 200 PORT command successful.
> LIST FILE_NAME
> 150 Opening ASCII mode data connection for /bin/ls.
> 226 Listing completed.
> 
> Additional LOG (not working case Windows):
> CWD /pub/databases/files
> 250 "/pub/databases/files" is new cwd.
> SYST
> 215 UNIX Type: L8
> PORT 172,22,69,22,193,11
> 200 PORT command successful.
> LIST FILE_NAME
> 550 Cannot connect to {IP_ADDRESS} - timed out.
> >
> >> Thanks in advance.
> >>
> >> Regards,
> >> Francesco
> >>
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> >>
> >>
> >
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> >
> 
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