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FtpClient.Connect on Windows Vista


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09-03-2009, 3:45 AM Post no. 23696

Johnny
Joined on 01-23-2007
Posts 10

FtpClient.Connect on Windows Vista

Hello Xceed

I am using the Ftp library version 4.0 (Demo) and get this error when trying to connect to ftp server.

"An invalid AsyncResult was received while executing a command."

My code is:

ftp.Connect(strHost, 21) - where the strHost is ftp://www.xxxxxx.xx

The same code works fine on a Windows XP machine.

Kind regards

Johnny E. Jensen

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09-04-2009, 11:38 AM Post no. 23763 in reply to 23696

Mohamed [Xceed]
Joined on 06-25-2008
Posts 488

Re: FtpClient.Connect on Windows Vista

Hi Johnny,

Can you set the TraceWriter property so we can get a log of the communication with the server?

FtpClient.TraceWriter = new StreamWriter( @"D:\ftp.log", true );

Can you also provide the relevant and complete code snippet that your are using to do the transfer?

Xceed - Software Developer and Technical Support

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10-30-2009, 11:34 AM Post no. 24715 in reply to 23763

Johnny
Joined on 01-23-2007
Posts 10

Re: FtpClient.Connect on Windows Vista

Hi Mohamed

Sorry for taking so long a time. The trace log i empty so the error occourres under establishing the connection. My code is:

ftp = new FtpClient();

ftp.TraceWriter = new System.IO.StreamWriter(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData)+ \\Winner CRM\\FtpClient.log);

ftp.Connect(strHost, 21); The strHost is "ftp://www.mysite.dk" ('mysite' is an alias for not making the real site public)

if (ftp.Connected)

{

ftp.Login(strAccount, strPassword)

ftp.ChangeCurrentFolder("\\..");

}

This is the errorexception i get:

Xceed.Ftp.FtpInternalException: An invalid AsyncResult was received while executing a command.
   ved Xceed.Ftp.Engine.ConnectFtpCommand.EndExecute(IAsyncResult asyncResult)
   ved Xceed.Ftp.FtpClient.DoExecuteCommand(FtpCommandChannel commandChannel, BaseFtpCommand command)
   ved Xceed.Ftp.FtpClient.DoConnect(FtpCommandChannel commandChannel, ConnectFtpCommand command)
   ved Xceed.Ftp.FtpClient.Connect(String hostName, Int32 port)
   ved Aware.Winner.CRM.Desktop.Forms.formDesktop.CheckForUpdates()
   ved Aware.Winner.CRM.Desktop.Forms.formDesktop.mnuHelpUpdates_Click(Object sender, SmartItemClickEventArgs e)
   ved Xceed.SmartUI.SmartItem.OnClick(SmartItemClickEventArgs e)
   ved Xceed.SmartUI.Controls.MenuBar.MenuItem.OnClick(SmartItemClickEventArgs e)
   ved Xceed.SmartUI.SmartItem.InvokeOnClick(SmartItemClickEventArgs e)
   ved Xceed.SmartUI.SmartControl.InvokeItemClick(SmartItem item, ClickSource clickSource)
   ved Xceed.SmartUI.SmartControl.InvokeItemClick(SmartItem item, ClickSource clickSource)
   ved Xceed.SmartUI.SmartControl.OnMouseUp(MouseEventArgs e)
   ved System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   ved System.Windows.Forms.Control.WndProc(Message& m)
   ved System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   ved System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   ved System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Kind regards

Johnny E. Jensen

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