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Opening network scan from favorites causes NullReference



  • System with Hyper-V with configured virtual switch


  • Organize favorites -> Scan -> Scan network


FATAL 2017-01-10 11:45:10,105  5103ms Terminals              howApplicationExit - System.NullReferenceException: Object reference not set to an instance of an object.
   at Terminals.NetworkScanner.IPTextbox_TextChanged(Object sender, EventArgs e)
   at System.Windows.Forms.Control.OnTextChanged(EventArgs e)
   at System.Windows.Forms.Control.set_Text(String value)
   at System.Windows.Forms.TextBoxBase.set_Text(String value)
   at System.Windows.Forms.TextBox.set_Text(String value)
   at Terminals.NetworkScanner.FillTextBoxesFromLocalIp()
   at Terminals.NetworkScanner..ctor(IPersistence persistence)
   at Terminals.OrganizeFavoritesForm.ScanNetworkToolStripMenuItem_Click(Object sender, EventArgs e)
   at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)
   at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
   at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
   at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
   at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
   at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ToolStrip.WndProc(Message& m)
   at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
FATAL 2017-01-10 11:45:10,105  5103ms Terminals              howApplicationExit - Application has to be terminated.
  • Crash of terminals -> NullReference exception due to incorrect loading of default IP for range inputs
Closed Apr 2, 2017 at 12:34 AM by KarlosChuar


wrote Jan 10, 2017 at 5:25 PM

Associated with changeset 108703: Fixed issues with resolving IP v4 address from local adapters.

wrote Jan 10, 2017 at 8:36 PM

wrote Apr 2, 2017 at 12:34 AM