MAGETWO-71785: [Magento Cloud] - Issue with long url

- fixed

Author: Oleksandr Dubovyk

lib/web/mage/adminhtml/grid.js

@@ -368,6 +368,45 @@ define([
             return url;
         },
 
+        /**
+         * Builds the form with fields containing the and submits
+         *
+         * @param {String} url
+         * @param {String} varName
+         * @param {String} varValue
+         * @private
+         */
+        _buildFormAndSubmit: function (url, varName, varValue) {
+            var re = new RegExp('\/(' + varName + '\/.*?\/)'),
+                parts = url.split(new RegExp('\\?')),
+                form = jQuery('<form/>'),
+                inputProps = [
+                    {name: varName, value: varValue},
+                    {name: 'form_key', value: window.FORM_KEY}
+                ],
+                input;
+
+            url = parts[0].replace(re, '/');
+
+            if (parts.size() > 1) {
+                url += '?' + parts[1];
+            }
+
+            form.attr('action', url);
+            form.attr('method', 'POST');
+
+            inputProps.forEach(function (item) {
+                input = jQuery('<input/>');
+                input.attr('name', item.name);
+                input.attr('type', 'hidden');
+                input.val(item.value);
+                form.append(input);
+            });
+            jQuery('[data-container="body"]').append(form);
+            form.submit();
+            form.remove();
+        },
+
         /**
          * @param {*} varName
          * @param {*} varValue
@@ -389,13 +428,14 @@ define([
                 exportUrl = $(this.containerId + '_export').value;
 
                 if (this.massaction && this.massaction.checkedString) {
-                    exportUrl = this._addVarToUrl(
+                    this._buildFormAndSubmit(
                         exportUrl,
                         this.massaction.formFieldNameInternal,
                         this.massaction.checkedString
                     );
+                } else {
+                    location.href = exportUrl;
                 }
-                location.href = exportUrl;
             }
         },