* Attaches debug info to some DNS resolution code.

OpenSim/Framework/RegionInfo.cs

@@ -134,7 +134,8 @@ namespace OpenSim.Framework
 
                 // Reset for next check
                 ia = null;
-
+                try
+                {
                     foreach (IPAddress Adr in Dns.GetHostAddresses(m_externalHostName))
                     {
                         if (ia == null)
@@ -146,6 +147,13 @@ namespace OpenSim.Framework
                             break;
                         }
                     }
+                }
+                catch (SocketException e)
+                {
+                    throw new Exception(
+                        "Unable to resolve local hostname " + m_externalHostName + " innerException of type '" +
+                        e + "' attached to this exception", e);
+                }
 
                 return new IPEndPoint(ia, m_internalEndPoint.Port);
             }