2013/01/25 07:35:40 WARNING (ElementSaver): 70013308.osm.pbf:   Way null (http://www.openstreetmap.org/browse/way/123257336) has short arc (5.58m) at http://www.openstreetmap.org/?mlat=38.84766&mlon=125.19080&zoom=17 - but it can't be removed because both ends of the arc are boundary nodes!