JMX statistics problem with some components

public class TestStatistics {
 
    public static void main(String[] args) throws Exception {
       DefaultCamelContext context = new DefaultCamelContext();
       context.addRoutes(new RouteBuilder() {
 
           @Override
           public void configure() throws Exception {
              from("timer:foo?period=5000").routeId("timer").loadBalance()
                     .roundRobin().id("load_balance_1").to("log:one")
                     .id("log_one").to("log:two").id("log_two").end();
 
           }
       });
       context.start();
       Thread.sleep(500000);
       context.stop();
    }
 
}