private String getTimestamp() {
		try {
			final GregorianCalendar gCalendar = new GregorianCalendar();
			gCalendar.setTime(new Date(startTime));

			final XMLGregorianCalendar xmlCalendar = DatatypeFactory.newInstance().newXMLGregorianCalendar(gCalendar);
			return xmlCalendar.toString();
		} catch (DatatypeConfigurationException e) {
			return "";
		}

	}