Eclipse ganymede set up with updatesite for JBoss Drools plugin does not seem to work

I was using http://www.jboss.org/community/wiki/installingjbosstools
to update gaymede(3.4.2) with Jboss tools for creating Drools Project. But none of the link worked instead I was getting similar error for the links given on this page
[code]
No repository found at http://download.jboss.org/jbosstools/updates/stable/.
No repository found at http://download.jboss.org/jbosstools/updates/stable/.
[/code]

What might be the problem.