src/java/org/apache/nutch/service/impl/LinkReader.java [52:79]:
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          rows.add(t_row);
        }
        catch (Exception e) {
        }
      }
      reader.close();

    }catch(FileNotFoundException fne){ 
      throw new FileNotFoundException();

    }catch (IOException e) {
      e.printStackTrace();
      LOG.error("Error occurred while reading file {} : {}", file, StringUtils.stringifyException(e));
      throw new WebApplicationException();
    } 

    return rows;
  }

  @Override
  public List<HashMap<String, String>> head(String path, int nrows) throws FileNotFoundException {
    List<HashMap<String, String>> rows= new ArrayList<>();
    Path file = new Path(path);
    SequenceFile.Reader reader;
    try{
      reader = new SequenceFile.Reader(conf, Reader.file(file));
      Writable key = (Writable)
          ReflectionUtils.newInstance(reader.getKeyClass(), conf);
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src/java/org/apache/nutch/service/impl/NodeReader.java [52:80]:
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          rows.add(t_row);
        }
        catch (Exception e) {
        }
      }
      reader.close();

    }catch(FileNotFoundException fne){ 
      throw new FileNotFoundException();

    }catch (IOException e) {
      e.printStackTrace();
      LOG.error("Error occurred while reading file {} : {}", file, StringUtils.stringifyException(e));
      throw new WebApplicationException();
    } 

    return rows;

  }

  @Override
  public List<HashMap<String, String>> head(String path, int nrows) throws FileNotFoundException {
    List<HashMap<String, String>> rows= new ArrayList<>();
    Path file = new Path(path);
    SequenceFile.Reader reader;
    try{
      reader = new SequenceFile.Reader(conf, Reader.file(file));
      Writable key = (Writable)
          ReflectionUtils.newInstance(reader.getKeyClass(), conf);
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