Program: 78378
Project: 78378
Buggy source:
/** 
 * @param dogSitterEmail
 * @return the object of type DogSitter related to dogSitterEmail.
 */
public DogSitter createDogSitterFromDB(String dogSitterEmail){
  DBConnector dbConnector=new DBConnector();
  try {
    ResultSet rs=dbConnector.askDB("String_Node_Str" + dogSitterEmail + "String_Node_Str");
    rs.next();
    String name=rs.getString("String_Node_Str");
    String surname=rs.getString("String_Node_Str");
    String password=rs.getString("String_Node_Str");
    String phone=rs.getString("String_Node_Str");
    Date birthdate=rs.getDate("String_Node_Str");
    String payment=rs.getString("String_Node_Str");
    boolean cashFlag=rs.getBoolean("String_Node_Str");
    int nDogs=rs.getInt("String_Node_Str");
    String biography=rs.getString("String_Node_Str");
    dbConnector.closeConnection();
    Address address=getAddressFromDB(dogSitterEmail);
    rs=dbConnector.askDB("String_Node_Str" + dogSitterEmail + "String_Node_Str");
    Area listArea=new Area();
    while (rs.next()) {
      String cityOp=rs.getString("String_Node_Str");
      listArea.addPlace(cityOp);
    }
    dbConnector.closeConnection();
    rs=dbConnector.askDB("String_Node_Str" + dogSitterEmail + "String_Node_Str");
    HashSet<DogSize> listDogSize=new HashSet<>();
    rs.next();
    boolean small=rs.getBoolean("String_Node_Str");
    if (small) {
      listDogSize.add(DogSize.SMALL);
    }
    boolean medium=rs.getBoolean("String_Node_Str");
    if (medium) {
      listDogSize.add(DogSize.MEDIUM);
    }
    boolean big=rs.getBoolean("String_Node_Str");
    if (big) {
      listDogSize.add(DogSize.BIG);
    }
    boolean giant=rs.getBoolean("String_Node_Str");
    if (giant) {
      listDogSize.add(DogSize.GIANT);
    }
    dbConnector.closeConnection();
    PaymentMethod paymentMethod=getPaymentMethodFromDB(payment);
    rs=dbConnector.askDB("String_Node_Str" + dogSitterEmail + "String_Node_Str");
    Availability availability=new Availability();
    rs.next();
    Time monStart=rs.getTime("String_Node_Str");
    Time monEnd=rs.getTime("String_Node_Str");
    WorkingTime mon=new WorkingTime(monStart,monEnd);
    availability.setDayAvailability(mon,WeekDays.MON);
    Time tueStart=rs.getTime("String_Node_Str");
    Time tueEnd=rs.getTime("String_Node_Str");
    WorkingTime tue=new WorkingTime(tueStart,tueEnd);
    availability.setDayAvailability(tue,WeekDays.TUE);
    Time wedStart=rs.getTime("String_Node_Str");
    Time wedEnd=rs.getTime("String_Node_Str");
    WorkingTime wed=new WorkingTime(wedStart,wedEnd);
    availability.setDayAvailability(wed,WeekDays.WED);
    Time thuStart=rs.getTime("String_Node_Str");
    Time thuEnd=rs.getTime("String_Node_Str");
    WorkingTime thu=new WorkingTime(thuStart,thuEnd);
    availability.setDayAvailability(thu,WeekDays.THU);
    Time friStart=rs.getTime("String_Node_Str");
    Time friEnd=rs.getTime("String_Node_Str");
    WorkingTime fri=new WorkingTime(friStart,friEnd);
    availability.setDayAvailability(fri,WeekDays.FRI);
    Time satStart=rs.getTime("String_Node_Str");
    Time satEnd=rs.getTime("String_Node_Str");
    WorkingTime sat=new WorkingTime(satStart,satEnd);
    availability.setDayAvailability(sat,WeekDays.SAT);
    Time sunStart=rs.getTime("String_Node_Str");
    Time sunEnd=rs.getTime("String_Node_Str");
    WorkingTime sun=new WorkingTime(sunStart,sunEnd);
    availability.setDayAvailability(sun,WeekDays.SUN);
    dbConnector.closeConnection();
    return new DogSitter(dogSitterEmail,name,surname,password,phone,birthdate,address,paymentMethod,listArea,listDogSize,nDogs,biography,availability,cashFlag);
  }
 catch (  SQLException e) {
    e.printStackTrace();
    return null;
  }
}

Fixed version (ground truth):
/** 
 * @param dogSitterEmail
 * @return the object of type DogSitter related to dogSitterEmail.
 */
public DogSitter createDogSitterFromDB(String dogSitterEmail){
  DBConnector dbConnector=new DBConnector();
  try {
    ResultSet rs=dbConnector.askDB("String_Node_Str" + dogSitterEmail + "String_Node_Str");
    rs.next();
    String name=rs.getString("String_Node_Str");
    String surname=rs.getString("String_Node_Str");
    String password=rs.getString("String_Node_Str");
    String phone=rs.getString("String_Node_Str");
    Date birthdate=rs.getDate("String_Node_Str");
    String payment=rs.getString("String_Node_Str");
    boolean cashFlag=rs.getBoolean("String_Node_Str");
    int nDogs=rs.getInt("String_Node_Str");
    String biography=rs.getString("String_Node_Str");
    dbConnector.closeConnection();
    Address address=getAddressFromDB(dogSitterEmail);
    rs=dbConnector.askDB("String_Node_Str" + dogSitterEmail + "String_Node_Str");
    Area listArea=new Area();
    while (rs.next()) {
      String cityOp=rs.getString("String_Node_Str");
      listArea.addPlace(cityOp);
    }
    dbConnector.closeConnection();
    HashSet<DogSize> listDogSize=createListDogSize(dogSitterEmail);
    PaymentMethod paymentMethod=getPaymentMethodFromDB(payment);
    rs=dbConnector.askDB("String_Node_Str" + dogSitterEmail + "String_Node_Str");
    Availability availability=new Availability();
    rs.next();
    Time monStart=rs.getTime("String_Node_Str");
    Time monEnd=rs.getTime("String_Node_Str");
    WorkingTime mon=new WorkingTime(monStart,monEnd);
    availability.setDayAvailability(mon,WeekDays.MON);
    Time tueStart=rs.getTime("String_Node_Str");
    Time tueEnd=rs.getTime("String_Node_Str");
    WorkingTime tue=new WorkingTime(tueStart,tueEnd);
    availability.setDayAvailability(tue,WeekDays.TUE);
    Time wedStart=rs.getTime("String_Node_Str");
    Time wedEnd=rs.getTime("String_Node_Str");
    WorkingTime wed=new WorkingTime(wedStart,wedEnd);
    availability.setDayAvailability(wed,WeekDays.WED);
    Time thuStart=rs.getTime("String_Node_Str");
    Time thuEnd=rs.getTime("String_Node_Str");
    WorkingTime thu=new WorkingTime(thuStart,thuEnd);
    availability.setDayAvailability(thu,WeekDays.THU);
    Time friStart=rs.getTime("String_Node_Str");
    Time friEnd=rs.getTime("String_Node_Str");
    WorkingTime fri=new WorkingTime(friStart,friEnd);
    availability.setDayAvailability(fri,WeekDays.FRI);
    Time satStart=rs.getTime("String_Node_Str");
    Time satEnd=rs.getTime("String_Node_Str");
    WorkingTime sat=new WorkingTime(satStart,satEnd);
    availability.setDayAvailability(sat,WeekDays.SAT);
    Time sunStart=rs.getTime("String_Node_Str");
    Time sunEnd=rs.getTime("String_Node_Str");
    WorkingTime sun=new WorkingTime(sunStart,sunEnd);
    availability.setDayAvailability(sun,WeekDays.SUN);
    dbConnector.closeConnection();
    return new DogSitter(dogSitterEmail,name,surname,password,phone,birthdate,address,paymentMethod,listArea,listDogSize,nDogs,biography,availability,cashFlag);
  }
 catch (  SQLException e) {
    e.printStackTrace();
    return null;
  }
}