Map<String, Object> results = null;
try {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMElement payload = factory.createOMElement(serviceName);
payload.addChild(parameterSer.getFirstElement());
OMElement respOMElement = client.sendReceive(payload);
client.cleanupTransport();
results = UtilGenerics.cast(SoapSerializer.deserialize(respOMElement.toString(), delegator));
} catch (Exception e) {
Debug.logError(e, module);
}