Probleme mit App

 MapSSH map = new MapSSH();
ArrayList<String> mapData = map.parseData();
  
 int elements = mapData.size();
for (int counter = 0; counter < elements - 1; counter++) {
    String[] parts = mapData.get(counter).split(";");
    String date = parts[0];
    String time = parts[1];
    String latitude = parts[2];
    String longitude = parts[3];
     mMap.addMarker(new MarkerOptions().position(new LatLng(Double.parseDouble(latitude), Double.parseDouble(longitude))).title(date + " " + time));
}

 public ArrayList<String> parseData() {
  
 Thread thread = new Thread(new Runnable() {
    @Override
    public void run() {
        try {
            JSch jsch = new JSch();
             Session session = jsch.getSession(usernameSSH, serverSSH, Integer.parseInt(portSSH));
            session.setPassword(passwordSSH);
             
             Properties prop = new Properties();
            prop.put("StrictHostKeyChecking", "no");
            session.setConfig(prop);
            session.connect();
             String command = "cat ./test.csv";
            Channel channel = session.openChannel("exec");
            ((ChannelExec)channel).setCommand(command);
             channel.setInputStream(null);
             InputStream in = channel.getInputStream();
            BufferedReader reader = new BufferedReader(new InputStreamReader(in));
             channel.connect();
             while (reader.readLine() != null) {
                resultSet.add(reader.readLine().toString());
            }
             in.close();
            channel.disconnect();
            session.disconnect();
             } catch (Exception e) {
            }
        }
    });
     thread.start();
     try {
        Thread.sleep(3000);
    }catch (InterruptedException i) {
     }
    return resultSet;
    }
 }