import org.apache.cassandra.locator.EndpointSnitchInfo; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
    System.out.println("Connecting to " + config.getBaseUrl());
    System.out.println("Starting the JMX server");

    MBeanServer server = getPlatformMBeanServer();
    for (Class<? extends APIMBean> clazz : asList(StorageService.class, StorageProxy.class, MessagingService.class,
            CommitLog.class, Gossiper.class, EndpointSnitchInfo.class, FailureDetector.class, CacheService.class,
            CompactionManager.class, GCInspector.class, StreamManager.class)) {
        Constructor<? extends APIMBean> c = clazz.getDeclaredConstructor(APIClient.class);
        APIMBean m = c.newInstance(client);
        server.registerMBean(m, null);
    }

    try {
        // forces check for dynamically created mbeans
        server.queryNames(null, null);
    } catch (IllegalStateException e) {
        // ignore this. Just means we started before scylla.
    }

    String jmxPort = System.getProperty("com.sun.management.jmxremote.port");
    System.out.println("JMX is enabled to receive remote connections on port: " + jmxPort);

    for (;;) {
        Thread.sleep(Long.MAX_VALUE);
    }
}