J'essaie de faire une simple application Spring Boot générée avec jHipster pour obtenir d'une postgresql une liste d'articles d'une base de données postreSQL et l'afficher en utilisant un contrôleur de repos, mais quand je l'exécute je reçoisSpring Boot - Bean nommé entityManagerFactory
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APPLICATION FAILED TO START
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Description:
Parameter 0 of constructor in org.adi.security.DomainUserDetailsService required a bean named 'entityManagerFactory' that could not be found.
Action:
Consider defining a bean named 'entityManagerFactory' in your configuration.
Mais la chose est que ce `DomainUserDetailsService est quelque chose généré par jhipster qui a cessé de fonctionner après j'ai ajouté mes cours. Je vais donc écrire ci-dessous mes classes:
Article Entité:
package org.adi.domain;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="articles")
public class Article implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
@Column(name="article_id")
private int articleId;
@Column(name="title")
private String title;
@Column(name="category")
private String category;
public int getArticleId() {
return articleId;
}
public void setArticleId(int articleId) {
this.articleId = articleId;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getCategory() {
return category;
}
public void setCategory(String category) {
this.category = category;
}
}
ArticleDAO (dépôt):
@Transactional
@Repository
public class ArticleDAO implements IArticleDAO {
@PersistenceContext
private EntityManager entityManager;
@Override
public Article getArticleById(int articleId) {
return entityManager.find(Article.class, articleId);
}
@SuppressWarnings("unchecked")
@Override
public List<Article> getAllArticles() {
String hql = "FROM Article as atcl ORDER BY atcl.articleId DESC";
return (List<Article>) entityManager.createQuery(hql).getResultList();
}
@Override
public void createArticle(Article article) {
entityManager.persist(article);
}
@Override
public void updateArticle(Article article) {
Article artcl = getArticleById(article.getArticleId());
artcl.setTitle(article.getTitle());
artcl.setCategory(article.getCategory());
entityManager.flush();
}
@Override
public void deleteArticle(int articleId) {
entityManager.remove(getArticleById(articleId));
}
@Override
public boolean articleExists(String title, String category) {
String hql = "FROM Article as atcl WHERE atcl.title = ? and atcl.category = ?";
int count = entityManager.createQuery(hql).setParameter(1, title)
.setParameter(2, category).getResultList().size();
return count > 0 ? true : false;
}
}
ArticleService:
@Service
public class ArticleService implements IArticleService {
@Autowired
private IArticleDAO articleDAO;
@Override
public Article getArticleById(int articleId) {
Article obj = articleDAO.getArticleById(articleId);
return obj;
}
@Override
public List<Article> getAllArticles(){
return articleDAO.getAllArticles();
}
@Override
public synchronized boolean createArticle(Article article){
if (articleDAO.articleExists(article.getTitle(), article.getCategory())) {
return false;
} else {
articleDAO.createArticle(article);
return true;
}
}
@Override
public void updateArticle(Article article) {
articleDAO.updateArticle(article);
}
@Override
public void deleteArticle(int articleId) {
articleDAO.deleteArticle(articleId);
}
}
et enfin mon contrôleur REST:
@Controller
@RequestMapping("user")
@CrossOrigin(origins = {"http://localhost:4200"})
public class ArticleController {
@Autowired
private IArticleService articleService;
@GetMapping("article")
public ResponseEntity<Article> getArticleById(@RequestParam("id") String id) {
Article article = articleService.getArticleById(Integer.parseInt(id));
return new ResponseEntity<Article>(article, HttpStatus.OK);
}
@GetMapping("all-articles")
public ResponseEntity<List<Article>> getAllArticles() {
List<Article> list = articleService.getAllArticles();
return new ResponseEntity<List<Article>>(list, HttpStatus.OK);
}
@PostMapping("article")
public ResponseEntity<Void> createArticle(@RequestBody Article article, UriComponentsBuilder builder) {
boolean flag = articleService.createArticle(article);
if (flag == false) {
return new ResponseEntity<Void>(HttpStatus.CONFLICT);
}
HttpHeaders headers = new HttpHeaders();
headers.setLocation(builder.path("/article?id={id}").buildAndExpand(article.getArticleId()).toUri());
return new ResponseEntity<Void>(headers, HttpStatus.CREATED);
}
@PutMapping("article")
public ResponseEntity<Article> updateArticle(@RequestBody Article article) {
articleService.updateArticle(article);
return new ResponseEntity<Article>(article, HttpStatus.OK);
}
@DeleteMapping("article")
public ResponseEntity<Void> deleteArticle(@RequestParam("id") String id) {
articleService.deleteArticle(Integer.parseInt(id));
return new ResponseEntity<Void>(HttpStatus.NO_CONTENT);
}
}
i ajouté maintenant, même si en générant par jhipster je n'ai pas un web-inf/persistence.xml mais je reçois toujours cette erreur :( –
quelqu'un s'il vous plaît aider? –