Hi Jorge,

I'm not sure if this is what you need but, you could try starting the jvm with

|-Djava.net.preferIPv4Stack=true

Regards,

Peter


On Thursday, 14 February 2013 23:06:24 UTC, Jorge Luis Pérez wrote:
>
> I started to learn Clojure a couple of days ago. I was trying with some 
> Aleph TCP echo server examples but I can not get the server to bind to a 
> tcp v4 port. The server only binds to a tcp v6 port by default. 
>
> Here my project file: 
>
> (defproject clj-echo-server "0.1.0-SNAPSHOT"
>   :description "Echo server with Aleph"
>   :url "http://example.com/FIXME";
>   :license {:name "Eclipse Public License"
>   :url "http://www.eclipse.org/legal/epl-v10.html"}
>   :dependencies [[org.clojure/clojure "1.4.0"]
>                  [aleph "0.3.0-beta12"]]
>   :main clj-echo-server.core)
>
> And the server code:
>
> (ns clj-echo-server.core)
> (use 'lamina.core 'aleph.tcp 'gloss.core)
> (defn handler [ch client-info]
>   (receive-all ch
>     #(enqueue ch (str "You said " %))))
> (start-tcp-server
>   handler
>   {:port 9000, :frame (string :utf-8 :delimiters ["\r\n"])})
>
>
> I can't figure out if I'm doing something wrong or how to configure the 
> binding port, the documentation wasn't very helpful about tcp ports.
>
> My OS is an Ubuntu 12.04.2 LTS, the Leiningen version is 2.0.0-preview10 
> and all runs on Java 1.6.0_24 OpenJDK 64-Bit Server VM.
>
> Can anyone advise me on how to configure the port binding for the tcp 
> server?
>
> Thanks for your time.
>

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