Drupal 7 Feeds

Create a content type "test system" with 2 fields
Content type: test system
field:
id, integer
name, text

Create a XML file, and upload it to the server.
<?xml version="1.0" encoding="UTF-8"?>
<response>
<result>
<id>298</id>
<name>This is ID 298 description</name>
</result>
<result>
<id>452</id>
<name>This is ID 452 description</name>
</result>
</response>

Create an Feed Importer to use this uploaded file to create/update "test system" content.

But it is not importing content feeds.
It doesnot display any error, but displays only a message i.e "There are no new nodes".
There are no new nodes.
STATUS: No imported items.

The modules are:
Feeds 7.x-2.0-alpha8+68-dev Aggregates RSS/Atom/RDF feeds, imports CSV files and more.
Feeds Admin UI 7.x-2.0-alpha8+68-dev Administrative UI for Feeds module.
Feeds Tamper 7.x-1.0-beta3+52-dev Modify feeds data before it gets saved.
Feeds Tamper Admin UI 7.x-1.0-beta3+52-dev Administrative UI for Feeds Tamper module.
Feeds XPath Parser 7.x-1.0 Parse an XML or HTML document using XPath.