[Mono-bugs] [Bug 347770] New: Socket.Connect using IP address fails on OS X

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Tue Dec 11 15:02:54 EST 2007


           Summary: Socket.Connect using IP address fails on OS X
           Product: Mono: Class Libraries
           Version: 1.2.6
          Platform: PowerPC
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: System
        AssignedTo: mono-bugs at ximian.com
        ReportedBy: sandy.dunlop at gmail.com
         QAContact: mono-bugs at ximian.com
          Found By: Other

Socket.Connect fails on Mac OS X on PowerPC hardware when an IP address is
used, although it works correctly when a hostname is used. 

The stack trace looks like this:

Unhandled Exception: System.Net.Sockets.SocketException: No such host is known
  at System.Net.Dns.GetHostByAddressFromString (System.String address, Boolean
parse) [0x00000] 
  at System.Net.Dns.GetHostEntry (System.Net.IPAddress address) [0x00000] 
  at System.Net.Dns.GetHostEntry (System.String hostNameOrAddress) [0x00000] 
  at System.Net.Sockets.Socket.Connect (System.String host, Int32 port)
  at NS.TestTcpClient.Main (System.String[] args) [0x00000]

The following code can be used to reproduce this:

        static void Main(string[] args)
            Socket socket = new Socket(
            socket.Connect("", 80);

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