One of two methods described in this thread should help you:
http://forums.java.net/jive/thread.jspa?messageID=477118
glassfish_at_javadesktop.org wrote:
> Hello all,
> I'm still looking for a workaround for this.
> I've installed GFv3.0.1 / Sun JDK 1.6.0_20 on a RHEL 5.4 x86_64 and there it takes a whopping 6.5 minutes for the Admin Console to show (The VLAN has QoS in place to throttle down Internet access).
>
> I really would appreciate any suggestion,
> Thanks.
> [Message sent by forum member 'ophers']
>
> http://forums.java.net/jive/thread.jspa?messageID=477140
>
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