/* execute all the stored requests */
DataService dataService = this.getDSRequest().getDataService();
try {
dataService.beginTransaction();
OMElement lastRequestResult = DSSessionManager.getCurrentRequestBox().execute();
dataService.endTransaction();
return lastRequestResult;
} catch (DataServiceFault e) {
dataService.rollbackTransaction();
throw new DataServiceFault(e, "Error in boxcarring end");
} finally {