java client报错：getStoreStorage return null

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ClientGlobal.init("./fdfs_client.conf");
            System.out.println("network_timeout=" + ClientGlobal.g_network_timeout + "ms");
            System.out.println("charset=" + ClientGlobal.g_charset);
            TrackerGroup tg = new TrackerGroup(new InetSocketAddress[]{new InetSocketAddress("192.168.121.49", 22122)});
            TrackerClient trackerClient = new TrackerClient(tg);
            TrackerServer trackerServer = trackerClient.getConnection();
            if (trackerServer == null) {
                System.out.println("getConnection return null");
                return;
            }
            StorageServer storageServer = trackerClient.getStoreStorage(trackerServer);
            if (storageServer == null) {
                System.out.println("getStoreStorage return null");
            }

返回getStoreStorage return 
null，我检查过配置，没有问题了，服务端的192.168.121.49:22122(t
racker)和192.168.121.49:23000(storage)的端口都可以telnet得上
附fdfs_config,如下：
connect_timeout = 2
network_timeout = 30
charset = UTF-8
http.tracker_http_port = 80
http.anti_steal_token = no
http.secret_key = FastDFS1234567890

tracker_server = 192.168.121.49:22122
tracker_server = 192.168.121.49:22122

Original issue reported on code.google.com by [e-mail] on 22 Feb 2014 at 11:20