How to make jsonp enabled

When i run the ./graphhopper web xxx.osm.pbf command, the console alaways shows com.graphhopper.http.DefaultModule - jsonp disabled. So how to make the jsonp enabled?

Do you really need jsonp? You should really avoid it as it has many disadvantages like no possibility for error reporting and can make even security problems. If you really need it do:


I download the graphhopper code in github, and start the web service under the instruction, so where should i input the “web.jsonp_allowed=true” command?

In the