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Unfinished transfers (5 posts)

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  • Started 10 years ago by davidmorr
  • Latest reply 10 years ago from Jim Matthews
  • davidmorr Member

    I have been trying to download some large files from my Mac (OS X 10.2.6) at work recently, and find that every file has seemingly finished the transfer, but Fetch never quite finishes. The files are typically about 100MB and downloaded via an ADSL connection. (I have not had any problems with files of up to a few magabytes.)

    I note that there is an FAQ that says:

    3. The progress bar fills the entire circle, but the transfer never finishes.

    If that is not the problem our recommendations are to: 1) Try checking the "Use passive mode transfers (PASV)" box in the Firewall section of Preferences; 2) Try a different FTP client (such as Interarchy, NetFinder or Vicom FTP Client) to check whether the problem is specific to Fetch or more general; 3) Make sure your modem firmware or network card drivers are up to date; 4) Contact the server administrator or network administrator, and see if they can reproduce the problem under similar conditions.

    Fetch is usng passive mode. I have not tried other FTP clients yet. Ethernet drivers are up to date. I am the server administrator and it is standard Mac OS X 10.2.6.

    If I Click the STOP button, then Fetch sits with the watch cursor for 5-10 minutes, but eventually stops, showing as "Disconnected". If I then Resume the transfer, it completes immediately. (Until this happens, the icon is wrong.)

    Here is a bit of the transcript:

    Fetch 4.0.3 System 0x1026 Serial FETCHED001-50R8-KFL9 TR
    Connecting to david-g4.newcastle.edu.au port 21 (9/9/03 22:13:50)
    220 david-g4.newcastle.edu.au FTP server (lukemftpd 1.1) ready.
    USER David Morrison
    331 Password required for David Morrison.
    PASS
    230-
    Welcome to Darwin!
    230 User sysnet logged in.
    SYST
    215 UNIX Type: L8 Version: lukemftpd 1.1
    PWD
    257 "/Users/sysnet" is the current directory.
    MACB ENABLE
    500 'MACB ENABLE': command not understood.
    PWD
    257 "/Users/sysnet" is the current directory.
    PASV
    227 Entering Passive Mode (134,148,240,168,195,113)
    LIST
    150 Opening ASCII mode data connection for '/bin/ls'.
    total 4
    -rw-r--r-- 1 sysnet staff 3 Sep 10 2002 .CFUserTextEncoding
    -rwxr-xr-x 1 sysnet staff 15364 Sep 8 13:15 .DS_Store
    -rw-r--r-- 1 sysnet staff 0 Feb 18 2003 .MCXLC
    drwx------ 3 sysnet staff 102 Sep 8 10:33 .Trash
    -rw------- 1 sysnet staff 0 Jan 8 2003 .Xauthority
    -rw------- 1 root staff 528 Jan 21 2003 .bash_history
    -rw-r--r-- 1 sysnet staff 5205 Apr 17 13:02 .dbvis.xml
    drwxr-xr-x 9 sysnet staff 306 Feb 27 2003 Applications
    drwx------ 21 sysnet staff 714 Sep 9 11:20 Desktop
    drwxrwxrwx 2 sysnet staff 68 Aug 23 2002 Desktop Folder
    drwx------ 26 sysnet staff 884 Sep 8 13:15 Documents
    drwx------ 39 sysnet staff 1326 Sep 8 09:29 Library
    drwx------ 3 sysnet staff 102 Aug 31 2002 Movies
    drwx------ 5 sysnet staff 170 Nov 5 2002 Music
    drwx------ 5 sysnet staff 170 Aug 31 2002 Pictures
    drwxr-xr-x 5 sysnet staff 170 Sep 1 2002 Public
    drwxr-xr-x 21 sysnet staff 714 Aug 20 15:37 Scripts
    drwxr-xr-x 5 sysnet staff 170 Nov 5 2002 Shared
    drwxr-xr-x 6 sysnet staff 204 Sep 1 2002 Sites
    drwx------ 5 sysnet staff 170 Oct 19 2002 ViaVoice
    226 Transfer complete.
    [A few CWDs here]

    CWD Recorded items
    250 CWD command successful.
    PWD
    257 "/Volumes/David Stuff/Recorded items" is the current directory.
    PASV
    227 Entering Passive Mode (134,148,240,168,195,118)
    LIST
    150 Opening ASCII mode data connection for '/bin/ls'.
    total 2458
    -rwxr-xr-x 1 sysnet unknown 12292 Sep 9 22:00 .DS_Store
    -rw-r--r-- 1 sysnet unknown 128861982 Aug 28 20:45 SHDyingDetective-20030828.aiff
    -rw-r--r-- 1 sysnet unknown 128859806 Aug 29 20:45 SHLFrancesCarfax-20030829.aiff
    -rw-r--r-- 1 sysnet unknown 126523054 Aug 26 20:45 SHRedCircle-20030826.aiff
    226 Transfer complete.
    TYPE I
    200 Type set to I.
    SIZE SHDyingDetective-20030828.aiff
    213 128861982
    MDTM SHDyingDetective-20030828.aiff
    213 20030828104550
    PASV
    227 Entering Passive Mode (134,148,240,168,195,119)
    RETR SHDyingDetective-20030828.aiff
    150 Opening BINARY mode data connection for 'SHDyingDetective-20030828.aiff' (128861982 bytes).

    Note that it just sits here like this for hours, with the bytes/s figure seadily decrementing.

    When I stop the transfer, after bout 5-10 minutes, this appears in the transcript:

    CStreamOT::Read() OTRcv() returned -3259
    get_reply():con_conn->Getline() returns -3259

    When I resume the download, this appears:

    MACB ENABLE
    500 'MACB ENABLE': command not understood.
    CWD /Volumes/David Stuff/Recorded items
    250 CWD command successful.
    PWD
    257 "/Volumes/David Stuff/Recorded items" is the current directory.
    TYPE I
    200 Type set to I.
    SIZE SHDyingDetective-20030828.aiff
    213 128861982
    MDTM SHDyingDetective-20030828.aiff
    213 20030828104550
    PASV
    227 Entering Passive Mode (134,148,240,168,195,128)
    REST 128861982
    350 Restarting at 128861982. Send STORE or RETRIEVE to initiate transfer.
    RETR SHDyingDetective-20030828.aiff
    150 Opening BINARY mode data connection for 'SHDyingDetective-20030828.aiff' (128861982 bytes).
    226 Transfer complete.
    Download completed at 9/9/03 23:55:24 (state == RESTART_RETRIEVING)

    David

    Posted 10 years ago #

  • Jim Matthews Administrator

    Thanks for the report. The problem is that the server sends the whole file but does not tell Fetch that it's done; so Fetch spins its wheels waiting for an "I'm all done" message that never appears. I will see if I can improve on Fetch's handling of this situation, but in the meantime using Resume Download is the best way to finish the transfer.

    Thanks,

    Jim Matthews
    Fetch Softworks

    Posted 10 years ago #

  • davidmorr Member

    I have now tried copying the same files using command line ftp in Terminal. It seems to finish normally.

    David

    Posted 10 years ago #

  • davidmorr Member

    I have now tried copying the files using command line FTP in Terminal. The transfers finished normally.

    David

    Posted 10 years ago #

  • Jim Matthews Administrator

    I'd be interested in investigating this further, to find out what the command line ftp client is doing differently than Fetch. If you'd like to help please send a note to bugs @ fetchsoftworks.com (removing those extra spaces).

    Thanks,

    Jim Matthews
    Fetch Softworks

    Posted 10 years ago #

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