DennisOSRM/Project-OSRM — Issue #37: osrm (gui?) gets stuck after trying to route outside covered area 
Author: emiltin
Created: 2011-11-29 20:15:14+00:00
State: open

after moving start/end marker to an area outside of the covered area, or to an area not close to any ways, the server outputs:

[info Plugins/ViaRoutePlugin.h:143] Error occurred, single path not found

after this point, it refuses to process and requests, even without the area covered. instead it just repeats the output line above.
this could very well be a bug in the gui?