2013/01/25 07:39:13 WARNING (ElementSaver): 70013330.osm.pbf:   Way null (http://www.openstreetmap.org/browse/way/26831201) has short arc (4.78m) at http://www.openstreetmap.org/?mlat=36.03747&mlon=137.28516&zoom=17 - but it can't be removed because both ends of the arc are boundary nodes!