How to work this?

Hi!

How to work with GraphLinkInspector? I wanna to know because I need to see if my graph is working, I have having a lot of problems to create my graph. I. e: [My question in OSM help for work with OTP](https://help.openstreetmap.org/questions/73476/why-my-osm-file-xml-pbf-osm-osmpbf-cant-be-displayed-in-josm-but-not-in-qgis)