Stop IGridService from throwing a fatal exception when an IPEndPoint cannot be resolved, and add some handlers to deal with this cleanly; a condition was observed on OSGrid where a neighbouring region with an invalid (unresolveable) hostname would prevent a region from starting. This is bad.

1 files changed, 6 insertions, 2 deletions

diff --git a/OpenSim/Services/Interfaces/IGridService.cs b/OpenSim/Services/Interfaces/IGridService.cs
index e55b633..94cee57 100644
--- a/OpenSim/Services/Interfaces/IGridService.cs
+++ b/OpenSim/Services/Interfaces/IGridService.cs
@@ -259,9 +259,13 @@ namespace OpenSim.Services.Interfaces
                 }
                 catch (SocketException e)
                 {
-                    throw new Exception(
+                    /*throw new Exception(
                         "Unable to resolve local hostname " + m_externalHostName + " innerException of type '" +
-                        e + "' attached to this exception", e);
+                        e + "' attached to this exception", e);*/
+                    // Don't throw a fatal exception here, instead, return Null and handle it in the caller.
+                    // Reason is, on systems such as OSgrid it has occured that known hostnames stop
+                    // resolving and thus make surrounding regions crash out with this exception.
+                    return null;
                 }
 
                 return new IPEndPoint(ia, m_internalEndPoint.Port);