#fixed code
                                @Test
	public void testGetMultiple() throws JSONException, UnirestException {
		for (int i = 1; i <= 20; i++) {
			HttpResponse<JsonNode> response = Unirest.get(MockServer.GETJSON + "?try=" + i).asJson();
            parse(response).assertQuery("try", String.valueOf(i));
		}
	}
#vulnerable code 
                             @Test
	public void testGetMultiple() throws JSONException, UnirestException {
		for (int i = 1; i <= 20; i++) {
			HttpResponse<JsonNode> response = Unirest.get("http://httpbin.org/get?try=" + i).asJson();
			assertEquals(response.getBody().getObject().getJSONObject("args").getString("try"), ((Integer) i).toString());
		}
	} 
                            #location 5 
                            #vulnerability type NULL_DEREFERENCE