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From "Zarar Siddiqi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (NET-61) [net] FTPClient.listFiles() hangs on Red Hat Linux
Date Sat, 02 Sep 2006 18:45:23 GMT
    [ http://issues.apache.org/jira/browse/NET-61?page=comments#action_12432300 ] 
            
Zarar Siddiqi commented on NET-61:
----------------------------------

I have the exact same problem:

The app is running on:

JDK 1.5.0_07 
Linux version 2.6.15-1.2054_FC5 

The FTP Server is a linux machine.

Again, the application runs fine on Windows.  But listFiles() hangs on Linux.  Here is the
code:

FTPClient ftpClient = new FTPClient();
ftpClient.connect(server.getHost(), server.getDefaultPort());
ftpClient.login(credentials.getUsername(), credentials.getPassword());
FTPFile[] listedFiles = ftpClient.listFiles();
System.out.println("THIS NEVER GETS PRINTED");
ftpClient.disconnect();



> [net] FTPClient.listFiles() hangs on Red Hat Linux
> --------------------------------------------------
>
>                 Key: NET-61
>                 URL: http://issues.apache.org/jira/browse/NET-61
>             Project: Commons Net
>          Issue Type: Bug
>    Affects Versions: 1.4 Final
>         Environment: Operating System: Linux
> Platform: PC
>            Reporter: George Van Treeck
>            Priority: Blocker
>
> A Java app that uses FTPClient to download a file from a website to Windows XP 
> works properly. But, when the same app runs on Linux to download the same file 
> from the same website, it hangs at listFiles().
> Using Java 1.5.0_03 on both the Windows XP and Linux. The version of Linux 
> used is Fedor Red Hat Linux Core 3 with all the latest updates. The following 
> segment of code from the program demonstrates the problem:
>               FTPClient ftp = new FTPClient();
>               ftp.connect(host);
>               reply = ftp.getReplyCode();
>               if (!FTPReply.isPositiveCompletion(reply)) {
>                 final String ftpStatus = ftp.getReplyString();
>                 ftp.disconnect();
>                 throw new IOException(
>                     "FTP server refused connection. Status: " +
>                    ftpStatus);
>               }
>               ftp.login(user, password);
>               reply = ftp.getReplyCode();
>               if (!FTPReply.isPositiveCompletion(reply)) {
>                 final String ftpStatus = ftp.getReplyString();
>                 ftp.disconnect();
>                 throw new IOException(
>                     "FTP server refused username/password. Status: " +
>                    ftpStatus);
>               }
>               String[] list = ftp.listNames();

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