try {
elementVector = (Vector<Hashtable<String, Object>>) client.execute(
"filemgr.getElementsByProductType", argList);
} catch (XmlRpcException e) {
throw new ValidationLayerException(e.getMessage());
} catch (IOException e) {
throw new ValidationLayerException(e.getMessage());
}
if (elementVector == null) {
return null;
} else {