fix

app/services/trace/client_service.rb

@@ -3,7 +3,7 @@ class Trace::ClientService < ApplicationService
   def post(url, params={})
     puts "[trace][POST] request params: #{params}"
     conn.post do |req|
-      req.url = full_url(url)
+      req.url full_url(url)
       req.body = params[:data].to_json 
     end
   end
@@ -12,7 +12,7 @@ class Trace::ClientService < ApplicationService
     puts "[trace][POST] request params: #{params}"
     puts "[trace][POST] request token: #{token}"
     conn.post do |req|
-      req.url = full_url(url)
+      req.url full_url(url)
       req.body = params[:data].to_json 
       req.headers['Authorization'] = token
     end