Cannot get variable 'plugin.xmap.output' in expression '{lm:plugin.xmap.output}'

I extracted forrest 0.8 on windows xp, and ran the 'site' and 'seed' operations using the java 1.5.0_12 jre. I expectrd a default site to be created, but got the following error. After posting to the forrest mail group, it was recommended that i raise an issue.