reporter.start(60, TimeUnit.SECONDS);
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
ObjectReader reader = objectMapper.reader(Map.class);
MappingIterator<Map<String, Object>> iterator = reader.readValues(getInputStream());
try {
while (iterator.hasNextValue()) {
Map<String, Object> entry = iterator.nextValue();
if (entry.containsKey("_heartbeat_")) {