#fixed code
                             @Test
	public void testGetUTF8() {
		HttpResponse<JsonNode> response = Unirest.get(MockServer.GETJSON)
				.header("accept", "application/json")
				.queryString("param3", "こんにちは")
				.asJson();

		FormCapture json = TestUtils.read(response, FormCapture.class);
		json.assertQuery("param3", "こんにちは");
	}
#vulnerable code 
                             @Test
	public void testGetUTF8() {
		HttpResponse<JsonNode> response = Unirest.get("http://httpbin.org/get").queryString("param3", "こんにちは").asJson();

		assertEquals(response.getBody().getObject().getJSONObject("args").getString("param3"), "こんにちは");
	} 
                            #location 5 
                            #vulnerability type NULL_DEREFERENCE