could you please try to delete all old EPSG temp databases, as per
Also, not that the THreadedEpsgFactory appeared from Geotools 2.4
onwards, what version of Geotools is contained in RepastS?
Finally, my guess is that the problem is stemming from a concurrent,
threaded access. Maybe there is no conflict if you have only two
processess, but with more it causes problems.maybe try to fill a bug in
Geotools? (BTW, I still did not see your post on the geotools users