methods in an ejb session bean for an entity dont work in a spring MVC project - maven

Question

I created a maven entreprise application project, in the ejb module i put my entities in a package and i generated my session beans in an other package and i deployed my ejb module in glassfish,in the web module i added dependencies of spring and I created a controller that search the session bean and call the methode find all() but it doesnt get my objects stored in database, what should i do?
Category entity
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package com.mycompany.entities;
import java.io.Serializable;
import java.util.List;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
/**
*
* #author DELL
*/
#Entity
#Table(name = "categorie")
#XmlRootElement
#NamedQueries({
#NamedQuery(name = "Categorie.findAll", query = "SELECT c FROM Categorie c"),
#NamedQuery(name = "Categorie.findByIdCategorie", query = "SELECT c FROM Categorie c WHERE c.idCategorie = :idCategorie"),
#NamedQuery(name = "Categorie.findByDescription", query = "SELECT c FROM Categorie c WHERE c.description = :description"),
#NamedQuery(name = "Categorie.findByName", query = "SELECT c FROM Categorie c WHERE c.name = :name"),
#NamedQuery(name = "Categorie.findByNomPhoto", query = "SELECT c FROM Categorie c WHERE c.nomPhoto = :nomPhoto")})
public class Categorie implements Serializable {
private static final long serialVersionUID = 1L;
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
#Basic(optional = false)
#Column(name = "idCategorie")
private Integer idCategorie;
#Size(max = 255)
#Column(name = "description")
private String description;
#Size(max = 20)
#Column(name = "name")
private String name;
#Size(max = 255)
#Column(name = "nomPhoto")
private String nomPhoto;
#Lob
#Column(name = "photo")
private byte[] photo;
#OneToMany(mappedBy = "idCategorie")
private List<Produit> produitList;
public Categorie() {
}
public Categorie(Integer idCategorie) {
this.idCategorie = idCategorie;
}
public Integer getIdCategorie() {
return idCategorie;
}
public void setIdCategorie(Integer idCategorie) {
this.idCategorie = idCategorie;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getNomPhoto() {
return nomPhoto;
}
public void setNomPhoto(String nomPhoto) {
this.nomPhoto = nomPhoto;
}
public byte[] getPhoto() {
return photo;
}
public void setPhoto(byte[] photo) {
this.photo = photo;
}
#XmlTransient
public List<Produit> getProduitList() {
return produitList;
}
public void setProduitList(List<Produit> produitList) {
this.produitList = produitList;
}
#Override
public int hashCode() {
int hash = 0;
hash += (idCategorie != null ? idCategorie.hashCode() : 0);
return hash;
}
#Override
public boolean equals(Object object) {
// TODO: Warning - this method won't work in the case the id fields are not set
if (!(object instanceof Categorie)) {
return false;
}
Categorie other = (Categorie) object;
if ((this.idCategorie == null && other.idCategorie != null) || (this.idCategorie != null && !this.idCategorie.equals(other.idCategorie))) {
return false;
}
return true;
}
#Override
public String toString() {
return "com.mycompany.entities.Categorie[ idCategorie=" + idCategorie + " ]";
}
}
AbstractFacade
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package com.mycompany.dao;
import java.util.List;
import javax.persistence.EntityManager;
/**
*
* #author DELL
*/
public abstract class AbstractFacade<T> {
private Class<T> entityClass;
public AbstractFacade(Class<T> entityClass) {
this.entityClass = entityClass;
}
protected abstract EntityManager getEntityManager();
public void create(T entity) {
getEntityManager().persist(entity);
}
public void edit(T entity) {
getEntityManager().merge(entity);
}
public void remove(T entity) {
getEntityManager().remove(getEntityManager().merge(entity));
}
public T find(Object id) {
return getEntityManager().find(entityClass, id);
}
public List<T> findAll() {
javax.persistence.criteria.CriteriaQuery cq = getEntityManager().getCriteriaBuilder().createQuery();
cq.select(cq.from(entityClass));
return getEntityManager().createQuery(cq).getResultList();
}
public List<T> findRange(int[] range) {
javax.persistence.criteria.CriteriaQuery cq = getEntityManager().getCriteriaBuilder().createQuery();
cq.select(cq.from(entityClass));
javax.persistence.Query q = getEntityManager().createQuery(cq);
q.setMaxResults(range[1] - range[0] + 1);
q.setFirstResult(range[0]);
return q.getResultList();
}
public int count() {
javax.persistence.criteria.CriteriaQuery cq = getEntityManager().getCriteriaBuilder().createQuery();
javax.persistence.criteria.Root<T> rt = cq.from(entityClass);
cq.select(getEntityManager().getCriteriaBuilder().count(rt));
javax.persistence.Query q = getEntityManager().createQuery(cq);
return ((Long) q.getSingleResult()).intValue();
}
}
CategorieFacade
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package com.mycompany.dao;
import com.mycompany.entities.Categorie;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
/**
*
* #author DELL
*/
#Stateless
public class CategorieFacade extends AbstractFacade<Categorie> implements CategorieFacadeLocal {
#PersistenceContext(unitName = "com.mycompany_ProjetCommerce-ejb_ejb_1.0-SNAPSHOTPU")
private EntityManager em;
#Override
protected EntityManager getEntityManager() {
return em;
}
public CategorieFacade() {
super(Categorie.class);
}
}
CategorieFacadeLocal
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package com.mycompany.dao;
import com.mycompany.entities.Categorie;
import java.util.List;
import javax.ejb.Local;
/**
*
* #author DELL
*/
#Local
public interface CategorieFacadeLocal {
void create(Categorie categorie);
void edit(Categorie categorie);
void remove(Categorie categorie);
Categorie find(Object id);
List<Categorie> findAll();
List<Categorie> findRange(int[] range);
int count();
}
CategorieController
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*/
package com.mycompany.controlleur;
import com.mycompany.dao.CategorieFacadeLocal;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.springframework.stereotype.*;
import org.springframework.ui.*;
import org.springframework.web.bind.annotation.*;
#Controller
#RequestMapping("categorie")
public class CategorieController {
CategorieFacadeLocal categorieFacade = lookupCategorieFacadeLocal();
#RequestMapping(method = RequestMethod.GET)
public String index(ModelMap modelmap){
modelmap.put("listeCategorie", categorieFacade.findAll());
return "index";
}
private CategorieFacadeLocal lookupCategorieFacadeLocal() {
try {
Context c = new InitialContext();
return (CategorieFacadeLocal) c.lookup("java:global/com.mycompany_ProjetCommerce-ear_ear_1.0-SNAPSHOT/com.mycompany_ProjetCommerce-ejb_ejb_1.0-SNAPSHOT/CategorieFacade!com.mycompany.dao.CategorieFacadeLocal");
} catch (NamingException ne) {
Logger.getLogger(getClass().getName()).log(Level.SEVERE, "exception caught", ne);
throw new RuntimeException(ne);
}
}
}