OffLine edition - Not calculating route

[mirko]

I've made further experiments: with a 64-Bit Java VM, the memory limit is not 1 GByte but 4 GByte and this makes both BRouter and GraphHopper happy: they both worked fine on my machine.

Please don't download https://download.geofabrik.de/europe-latest.osm.pbf since if the 2 GByte alps-latest.osm.pbf cannot be extracted then the 18 GByte europe-latest.osm.pbf won't work either.

So to solve the problem you need to use a 64-Bit Java VM and give RouteConverter more memory.

Thanks.
Those are the only java versions I have on my pc: both of them 64bits

In shell this is what I get
java --version
java 10.0.2 2018-07-17
Java™ SE Runtime Environment 18.3 (build 10.0.2+13)
Java HotSpot™ 64-Bit Server VM 18.3 (build 10.0.2+13, mixed mode)

so I should already be in 64bits shape...
Is there a way from routeconverter to understand the VM it is actually using?

Thanks