BrianBelhumeur/node-connect-JSON-RPC2 — Issue #1: jsonp requests on't support post - only get
Author: davehamptonusa
Created: 2011-10-14 00:09:21+00:00
State: open

so there's no guarantee anything is going to be in req.body

the line rpcList = req.body should be changed to
rpcList = req.body || req.query;
that way it handles posts and gets

Hope all is going well.