assertTrue(logger.isConnected());
// close the fluentd to make the situation that the fluentd gets down
TimeUnit.MILLISECONDS.sleep(500);
_logger.info("Closing the current fluentd instance");
fluentd1.closeClientSockets();
fluentd1.close();
// the logger should fail to send an event
TimeUnit.MILLISECONDS.sleep(500);
assertTrue(logger.isConnected());