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From Rory Winston <rwins...@eircom.net>
Subject Re: Error while downloading zip file using commons-net 1.4.1
Date Fri, 12 Oct 2007 22:39:02 GMT
Try setting the file type explicitly to binary.

Rory

s n wrote:
> Hi All,
>
> I am trying to use the commons-net (1.4.1) package to download zip files from and FTP
site.Everything seems to be working fine (Able to login and download the file), except when
i try to open the downloaded zip file.
>
> I am not sure why this happens. Any help would be highly appreciated.
>
> I have pasted the error and my code below:
>
> Thanks!
>
>
>
> I get the following error (winzip spits out this error)
> ######################################################################
> ERROR:
> Extracting to "C:\DOCUME~1\sn\LOCALS~1\Temp\"
> Use Path: no   Overlay Files: yes
> warning [C:/MeV/APPLERA_ABI1700.zip]:  extra 14052 bytes at beginning or within Zip file
(attempting to process anyway)
> Error in file #1:  bad Zip file offset (Error local header signature not found):  0
> (attempting to re-compensate)
> Extracting APPLERA_ABI1700
> (incomplete d-tree)  Error:  invalid compressed data to inflate
> #######################################################################
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> CODE;
> public class TestFTP {
>
>     /**
>      * @param args
>      */
>     public static void main(String[] args) throws Exception{
>         
>         try {
>
>             String folder="/pub/bio/tgi/data/Resourcerer/";
>             FTPClient ftp = new FTPClient();
>
>             FTPClientConfig conf = new FTPClientConfig(FTPClientConfig.SYST_NT);
>             ftp.configure(conf);
>
>             ftp.connect(InetAddress.getByName("occams.dfci.harvard.edu"));
>
>             System.out.print("Server response:"+ftp.getReplyString());
>             int reply = ftp.getReplyCode();
>
>             if(!FTPReply.isPositiveCompletion(reply)) {
>                 System.err.println("FTP server refused connection.");
>                 ftp.disconnect();
>                 System.exit(1);
>
>             }
>
>             if(!ftp.login("username", "password")) {
>                 System.err.println();
>             }
>
>             ftp.changeWorkingDirectory("/ftp/pub/bio/tgi/data/Resourcerer/Human/");
>
>             // List the zip files in the directory
>             String[]names=ftp.listNames("*.zip");
>
>             File f=new File("C:/MeV/"+names[0]);
>             FileOutputStream temp=new FileOutputStream(f);
>             ftp.retrieveFile(f.getName(), temp);
>             System.out.println("size of downloaded file is:"+f.length());
>             temp.close();
>
>             ftp.logout();
>         }catch(Exception e) {
>             e.printStackTrace();    
>         }
>
>         // TODO Auto-generated method stub
>
>     }
>
> }
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
>
>
>
>       ____________________________________________________________________________________
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>
>
>   



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