#vulnerable code 
                             @Test
	public void parseXml() {
		ICalParameters params = new ICalParameters();

		Element element = xcalPropertyElement(marshaller, "<code>1.2.3</code><description>description</description><data>data</data>");
		Result<RequestStatus> result = marshaller.parseXml(element, params);

		RequestStatus prop = result.getValue();
		assertEquals("1.2.3", prop.getStatusCode());
		assertEquals("description", prop.getDescription());
		assertEquals("data", prop.getExceptionText());
		assertWarnings(0, result.getWarnings());
	} 
                            #location 6 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                             @Test
	public void parseXml() {
		Result<RequestStatus> result = parseXCalProperty("<code>1.2.3</code><description>description</description><data>data</data>", marshaller);

		RequestStatus prop = result.getValue();
		assertEquals("1.2.3", prop.getStatusCode());
		assertEquals("description", prop.getDescription());
		assertEquals("data", prop.getExceptionText());
		assertWarnings(0, result.getWarnings());
	}