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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 32423] New: - FTP component fails to throw error when ftp site fails to list contents properly
Date Sun, 28 Nov 2004 23:55:52 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=32423

           Summary: FTP component fails to throw error when ftp site fails
                    to list contents properly
           Product: Commons
           Version: 1.2 Final
          Platform: PC
        OS/Version: Windows 2000
            Status: NEW
          Severity: normal
          Priority: P4
         Component: Net
        AssignedTo: commons-dev@jakarta.apache.org
        ReportedBy: davidparks21@yahoo.com


Hi, below I've attached a copy of an FTP session taken through the command
prompt. This ftp server has a problem were every second command issued to it
fails. It first issues a 200 command successful, but then fails with 425 Can't
open data connection. The result from a call to FTPClient.listFiles() and
FTPClientlistFiles(String) returns an array of 0 files. Given this case it
should throw an IOException in this case. I imagine it doesn't probably because
of the 200 command successful that comes up in this case, but I haven't gone
through the source to verify it.

ftp> dir
200 command successful
150 Opening ASCII data connection for directory listing
drwxr-x---  2 cwftp    System            0 Nov 19 22:51 .
drwxr-x---  2 cwftp    System            0 Nov 19 22:51 ..
226 transfer complete
ftp: 119 bytes received in 0.00Seconds 119000.00Kbytes/sec.
ftp> dir
200 command successful
425 Can't open data connection.
ftp> dir
200 command successful
150 Opening ASCII data connection for directory listing
drwxr-x---  2 cwftp    System            0 Nov 19 22:51 .
drwxr-x---  2 cwftp    System            0 Nov 19 22:51 ..
226 transfer complete
ftp: 119 bytes received in 0.00Seconds 119000.00Kbytes/sec.
ftp> dir
200 command successful
425 Can't open data connection.

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