private void deleteTags(HttpServletRequest request, HttpServletResponse response)
throws ADBException, XMLStreamException, IOException {
EC2Tags ec2Request = createTagsRequest(request, response);
if (ec2Request == null) return;
DeleteTagsResponse EC2Response = EC2SoapServiceImpl.toDeleteTagsResponse(
ServiceProvider.getInstance().getEC2Engine().modifyTags( ec2Request, "delete"));
serializeResponse(response, EC2Response);
}