Jemand

      } catch (FileNotFoundException e) {
        //no sfv, ignore that
      } catch (IOException e) {
        e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
      } catch (NoAvailableSlaveException e) {
        e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
      }
      } catch (FileStillTransferringException e) {

      if (file.isDirectory()) {
        uncheckedDirs.addAll(file.getDirectories());