Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Java Spring with Hibernate Data-Driven Application Design Add a DAO

what is it went wrong? It seem correct

could you help it out thanks

com/teamtreehouse/contactmgr/dao/ContactDao.java
package com.teamtreehouse.contactmgr.dao;

import com.teamtreehouse.contactmgr.model.Contact;

import java.util.List;

public interface ContactDao {
    List<Contact>findAll();
}
com/teamtreehouse/contactmgr/dao/ContactDaoImpl.java
package com.teamtreehouse.contactmgr.dao;

import com.teamtreehouse.contactmgr.model.Contact;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.List;
@Repository
public class ContactDaoImpl {
    @Autowired
    private SessionFactory sessionFactory;


    public List<Contact>findAll(){
       Session session = sessionFactory.openSession();
       List<Contact> contacts = session.createCriteria(Contact.class).list();
      session.close();
      return contacts;
    }
}

1 Answer

Seth Kroger
Seth Kroger
56,413 Points

First you need to say that ContactDaoImpl implements ContractDao. Second, since you're asked to just return null for now you don't need to autowire the session factory.

Thanks I forget to add implements ContactDaco