try {
InitialContext ic = CVUtility.getInitialContext();
SaleHelperLocalHome home = (SaleHelperLocalHome)ic.lookup("local/SaleHelper");
SaleHelperLocal local = home.create();
local.setDataSource(this.dataSource);
vo = local.calculateProposalItems(userId, proposalVO, newItemID);
} catch (Exception e) {
System.out.println("Failed in getting tax");
e.printStackTrace();
} finally {
vo = proposalVO;