how to solve this exception in java on my mail server open-exchange?
<p>![Error to create new context open-exchange][1]</p>

<pre><code>/opt/open-xchange/sbin/registerserver -n oxserver -A oxadminmaster -P admin_master_password
server could not be registered: 
Error: connection failed to host: 127.0.0.1; nested exception is:
        java.net.ConnectException: Conexión rehusada
</code></pre>
