Unable to get Ruby/WEBrick and Eclipse working - newbie

I’m trying to setup RoR on Windows XP with Eclipse using the various
plug-ins RadRails, Ruby tools, Subclipse and I am unable to run an
application within Eclipse or even using command line.

On Eclipse it says in the Console:
=> Booting WEBrick…

and then in the panel it says Start WEBrick [Program]

I have tried various versions of Ruby – 1.8.4, 1.8.5 and 1.8.2, but no