Trying to get GeometryService to work

[JamesB]

Hi, we are trying to get the distance measuring tool example working with our GeometryService.
http://help.arcgis.com/EN/webapi/javascript/arcgis/help/jssamples/util_distance.html

As far as we can tell it is enabled, but when we call it:
http://..........:8399/arcgis/rest/services/Geometry/GeometryServer/distance?f=json&geometry1=........

We get back this:
dojo.io.script.jsonp_dojoIoScript4._jsonpCallback({"serviceDescription" : ""});

Any ideas what is wrong, any logs we can check for a more helpful error message?

Thanks,
James

[JamesB]

We are on version 9.3.1

Apparently this feature only came in at version 10
http://help.arcgis.com/en/arcgisserver/10.0/apis/rest/index.html

Is there anything we can do about this (apart from upgrade)?

[derekswingley1]

Try using v1.6 of the API.