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"Joi Ellis [TeamB]" <joi@aravox.com> escribi� en el mensaje
news:3acdc826_1@dnews...
> Fco. Javier Ridruejo <ridruejo@neofis.com> wrote:
> > Hello, I'm working on a multicast application under Java,
> > but in windows2000 the instruction:
>
> > MulticastSocket s = new MulticasSocket(7895)
>
> Try running the app once as administrator or an administrator equivalent,
> and see if the code still hangs.  If it doesn't hang, then I would
> investigate the possibility of Windows2000 using permissions to restrict
> who can open multicast sockets.
>
> I'm guessing this is similar to the security restriction on *nix platforms
> that forbid non-root users from opening listen sockets on ports < 1024.
>

I run it under the Administrator account, from inside JBuilder4
(registered), and I have tried to look for socket security permissions in
Windows2000 , but I haven't seen anything.

When I interrupt the thread which is hung with the call to MulticastSocket,
then the program throws:

java.lang.InterruptedException

 at java.net.MulticastSocket.create(MulticastSocket.java:128)

 at java.net.DatagramSocket.<init>(DatagramSocket.java:140)

 at java.net.DatagramSocket.<init>(DatagramSocket.java:112)

 at java.net.MulticastSocket.<init>(MulticastSocket.java:104)

 at ConectaMBONE.run(ConectaMBONE.java:17)

Please answer me, thanks very much.
Fco. Javier Ridruejo