From: Joel VanderWerf <joelvanderwerf@...>
Date: 2013-07-19T02:52:59+09:00
Subject: Re: Call a method with block on distributed object (drb)

On 07/16/2013 06:35 AM, Enrico Pilotto wrote:
> Hi.
...
>      require 'drb'
>
>      c = DRbObject.new_with_uri('druby://127.0.0.1:9000')
>      c.each(8) do |i|
>        puts i
>      end
>
>
> I run the server (ok) and then the client and I get the follow error:
>
>
>      /Users/pioz/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/2.0.0/drb/drb.rb:1687:in
> `current_server': DRb::DRbServerNotFound (DRb::DRbConnError)

Insert this line at the beginning of your client:

DRb.start_service

The server is trying to yield to code on the client. This is the same as 
sending #call to a remote proc in the client. As with any remote method 
call, there has to be a listening drb server in the client.