项目配置linux上, 配置文件访问不到

/**
 * 读入TXT文件
 */
public List<String> readFile(String pathName) {
    List<String> list = new ArrayList<>();

    try {
        InputStream stream = getClass()
                .getClassLoader()
                .getResourceAsStream(pathName);

        BufferedReader read = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
        String line;
        while ((line = read.readLine()) != null) {
            // 一次读入一行数据
            list.add(line);
        }
        return list;

    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}