On Mon, Jan 28, 2013 at 6:03 AM, Nick Malleson <[log in to unmask]>wrote: > No, I haven't made any modifications. I have geomason in its own directory > and add the mason jar (and all other libraries) to the CLASSPATH. The > exception is thrown after all the GIS data have been read at the point it > tries to create the visualisation. > > Is this the GeoMason checked out from subversion? Or from a tar ball? If the latter, what version are you using? Cheers! Mark