Navindra Umanee wrote:

>>It's the first method invocation. So it still seems to be some kind of 
>>connectivity problem. I'm not 100%ly sure, though.
> 
> Thanks for your help in solving this by private email!
> 
> Turns out the server was binding to localhost by default, but the
> client was trying to bind to my machine name's IP.  That latter didn't
> work because my machine wasn't on the local network, and so that
> IP/interface was inactive.
> 
> Solution is to either force the client to use localhost or to update
> my hosts file.  :-)

I'll also have a look at trying to bind to druby://localhost:42530 and 
falling back to the current behavior if that fails. I'm not yet sure how 
to detect the failure, but I'm pretty sure it is doable somehow.

Thanks again for finding out about this issue.