--- json_server.module.orig	2010-10-12 16:50:28.000000000 +1030
+++ json_server.module 2010-10-13 11:35:38.000000000 +1030
@@ -56,6 +56,15 @@
           $args[$arg['name']] = NULL;
         }
       }
+
+      // Unset order if it's not specified as it causes the SQL to fail as it overwrites
+      // the default $order set in function taxonomy_service_select_nodes() in file
+      // services/services/taxonomy_service/taxonomy_service.inc
+      //
+      if (empty($args['order'])) {
+        unset($args['order']);
+      }
+
       $result = services_method_call($method['method'], $args);
       if (is_array($result) && $result['error'] === TRUE)
         return drupal_to_js(array('#error' => TRUE, '#data' => $result['message']));