Fastdfs_TrackerServer trackerServer = tracker.getConnection()报NullPointerException

    private StorageClient getStorageClient() {
        try{
            TrackerClient tracker = new TrackerClient();
            System.out.println("tracker:{}"+tracker.toString());
            TrackerServer trackerServer = tracker.getConnection();
            System.out.println(trackerServer);
            return new StorageClient(trackerServer, null);
        }catch (Exception e){
        }
    }

我的文件系统部署在远程主机上，本地idea调试的时候可以上传文件。但是将项目打包成jar包部署到远程主机（同一台主机）上的时候，上传文件的时候在这一步报了NullPionterExcellent。

            TrackerServer trackerServer = tracker.getConnection();

配置文件如下：

connect_timeout = 30
network_timeout = 30
charset = UTF-8
http.tracker_http_port = 80
http.anti_steal_token = true
tracker_server = 远程主机的外网地址:22122

这个地方不会报NPE的啊，是不是看错了啊