void () { boolean isEmpty = true; if (Files.exists(PersistentUtil.LOG_CACHE)) { try (DirectoryStream<Path> stream = Files.newDirectoryStream(PersistentUtil.LOG_CACHE)) { if (stream.iterator().hasNext()) { isEmpty = false; } } catch (IOException ignored) { } } if (!isEmpty) { try { Files.createFile(NioFiles.createParentDirectories(PersistentUtil.getCorruptionMarkerFile())); } catch (Exception e) { LOG.error(e); } } }