2013/01/25 07:17:38 WARNING (ElementSaver): 70013172.osm.pbf:   Way null (http://www.openstreetmap.org/browse/way/193816163) has short arc (4.98m) at http://www.openstreetmap.org/?mlat=36.70052&mlon=137.28516&zoom=17 - but it can't be removed because both ends of the arc are boundary nodes!