patch

diff -urN vendor-original/oro/platform/src/Oro/Bundle/FormBundle/Form/Type/OroJquerySelect2HiddenType.php vendor/oro/platform/src/Oro/Bundle/FormBundle/Form/Type/OroJquerySelect2HiddenType.php
--- vendor-original/oro/platform/src/Oro/Bundle/FormBundle/Form/Type/OroJquerySelect2HiddenType.php	2015-10-26 09:45:05.090416111 +0100
+++ vendor/oro/platform/src/Oro/Bundle/FormBundle/Form/Type/OroJquerySelect2HiddenType.php	2015-10-26 09:46:53.591010193 +0100
@@ -227,9 +227,9 @@
                 $result[] = $converter->convertItem($form->getData());
             }
 
-            $vars['attr'] = [
-                'data-selected-data' => json_encode($result)
-            ];
+//            $vars['attr'] = [
+//                'data-selected-data' => json_encode($result)
+//            ];
         }
 
         $view->vars = array_replace_recursive($view->vars, $vars);
diff -urN vendor-original/oro/platform/src/Oro/Bundle/FormBundle/Resources/views/Form/fields.html.twig vendor/oro/platform/src/Oro/Bundle/FormBundle/Resources/views/Form/fields.html.twig
--- vendor-original/oro/platform/src/Oro/Bundle/FormBundle/Resources/views/Form/fields.html.twig	2015-10-26 09:45:05.106415609 +0100
+++ vendor/oro/platform/src/Oro/Bundle/FormBundle/Resources/views/Form/fields.html.twig	2015-10-26 09:50:05.712796197 +0100
@@ -1,7 +1,9 @@
 {% extends 'OroUIBundle:Form:fields.html.twig' %}
 
 {% block genemu_jqueryselect2_widget %}
-    {% if configs.grid is defined and configs.grid.name is defined %}
+    {% if configs.route_parameters.url is defined %}
+        {% set url = path(configs.route_parameters.url)  %}
+    {% else if configs.grid is defined and configs.grid.name is defined %}
         {% set url = path('oro_datagrid_index', {'gridName': configs.grid.name}) %}
     {% elseif configs.route_name is defined and configs.route_name %}
         {% set url = path(configs.route_name, configs.route_parameters | default([])) %}