@Action
    public void newConnectionAction() {
        String zookeeper = JOptionPane.showInputDialog("HBase zookeeper", "localhost");

        TaskMonitor taskMonitor = new TaskMonitor(getApplication().getContext());
        

        if (zookeeper != null && !zookeeper.isEmpty()) {
            Configuration conf = new Configuration();
            conf.set("hbase.zookeeper.quorum", zookeeper);
            conf.set("hbase.client.retries.number", "1");
            getTree().createConnection(conf);
            getTree().setMainApp(this);
        }
    }