code: @Override
  	public void begin() throws TransactionManagementException {
  		logger.entering(CLASSNAME, "begin");
  		
  		try {
  			userTran.begin();
  			logger.log(Level.FINE, "javax.transaction.Status: {0}", userTran.getStatus());
  		} catch (NotSupportedException e) {
  			throw new TransactionManagementException(e);
  		} catch (SystemException e) {
  			throw new TransactionManagementException(e);
  		}
  		logger.exiting(CLASSNAME, "begin");
  	}
docs: /* (non-Javadoc)
  @see javax.batch.spi.TransactionManagerSPI#begin()