try {
			String query = "SELECT vorname FROM person";
			String driver = "com.mysql.jdbc.Driver";
			String uri = "jdbc:mysql://localhost/fss";
			String user = "root";
			String pwd = "root";
			JDBCConnectionPool pool = new SimpleJDBCConnectionPool(driver, uri, user, pwd, 2, 5);
			SQLContainer container = new SQLContainer(new FreeformQuery(query, pool));
			mitarbeiterCB.setContainerDataSource(container);
		} catch (SQLException e) {
			e.printStackTrace();
		}