Resource leak in Files.list(Path dir) when stream is not explicitly closed?

Question

I recently wrote a small app that periodically checked the content of a directory. After a while, the app crashed because of too many open file handles. After some debugging

Answer 1

   List fileList = null;

   try (Stream list = Files.list(Paths.get(path.toString()))) {
   fileList = 
     list.filter(Files::isRegularFile).map(Path::toFile).map(File::getAbsolutePath)
                                .collect(Collectors.toList());
   } catch (IOException e) {
    logger.error("Error occurred while reading email files: ", e);
  }