Hibernate & MySql empty data - mysql

Question

I'm trying to make an interface for my database created in MySQL Workbench, and i can't simply view the data from any table. I can add a client, and then it appears on Workbench, but not in .jsp file. What am i missing ?
pojo.Clienti
package pojo;
import java.util.HashSet;
import java.util.Set;
public class Clienti implements java.io.Serializable {
private Integer idclient;
private String nume_institutie_firma;
private String cod_unic;
private String adresa;
private Set angajats = new HashSet(0);
public Clienti() {
}
public Clienti(String nume_institutie_firma, String cod_unic, String adresa, Set angajats) {
this.nume_institutie_firma = nume_institutie_firma;
this.cod_unic = cod_unic;
this.adresa = adresa;
this.angajats = angajats;
}
public Integer getIdclient() {
return this.idclient;
}
public void setIdclient(Integer idclient) {
this.idclient = idclient;
}
public String getnume_institutie_firma() {
return this.nume_institutie_firma;
}
public void setnume_institutie_firma(String nume_institutie_firma) {
this.nume_institutie_firma = nume_institutie_firma;
}
public String getcod_unic() {
return this.cod_unic;
}
public void setcod_unic(String cod_unic) {
this.cod_unic = cod_unic;
}
public String getAdresa() {
return this.adresa;
}
public void setAdresa(String adresa) {
this.adresa = adresa;
}
public Set getAngajats() {
return this.angajats;
}
public void setAngajats(Set angajats) {
this.angajats = angajats;
}
}
pojo.Clienti.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="pojo.Clienti" table="clienti" catalog="tema"
optimistic-lock="version">
<id name="idclient" type="java.lang.Integer">
<column name="idclient" />
<generator class="identity" />
</id>
<property name="nume_institutie_firma" type="string">
<column name="nume_institutie_firma" length="45" />
</property>
<property name="cod_unic" type="string">
<column name="cod_unic" length="45" />
</property>
<property name="adresa" type="string">
<column name="adresa" length="45" />
</property>
<set name="angajats" table="angajati" inverse="true"
lazy="true" fetch="select">
<key>
<column name="idclient" />
</key>
<one-to-many class="pojo.Angajati" />
</set>
</class>
</hibernate-mapping>
*hibernate.cfg.xml*
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.hbm2ddl.auto">update</property>
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="hibernate.show_sql">true</property>
<property name="hibernate.query.factory_class">org.hibernate.hql.internal.classic.ClassicQueryTranslatorFactory</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/tema</property>
<property name="hibernate.connection.driver_class">com.mysql.cj.jdbc.Driver</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.connection.password">pass</property>
<mapping resource="pojo/Angajati.hbm.xml"/>
<mapping resource="pojo/Clienti.hbm.xml"/>
<mapping resource="pojo/Proiecte.hbm.xml"/>
</session-factory>
</hibernate-configuration>
hibernate.reveng.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-reverse-engineering PUBLIC "-//Hibernate/Hibernate Reverse Engineering DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-reverse-engineering-3.0.dtd">
<hibernate-reverse-engineering>
<schema-selection match-catalog="tema"/>
<table-filter match-name="proiecte"/>
<table-filter match-name="clienti"/>
<table-filter match-name="angajati"/>
</hibernate-reverse-engineering>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
<servlet>
<servlet-name>ClientiController</servlet-name>
<servlet-class>Controller.ClientiController</servlet-class>
</servlet>
<servlet>
<servlet-name>ProiecteController</servlet-name>
<servlet-class>Controller.ProiecteController</servlet-class>
</servlet>
<servlet>
<servlet-name>AngajatiController</servlet-name>
<servlet-class>Controller.AngajatiController</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ClientiController</servlet-name>
<url-pattern>/ClientiController</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>ProiecteController</servlet-name>
<url-pattern>/ProiecteController</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>AngajatiController</servlet-name>
<url-pattern>/AngajatiController</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
</web-app>
DAO.ClientiDao
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package DAO;
import java.util.List;
import pojo.Clienti;
/**
*
* #author vali
*/
public interface ClientiDao {
public void adaugaClienti (Clienti client);
public List<Clienti> afiseazaClienti();
public void modificaClienti (int idclient, String nume_institutie_firma, String cod_unic, String adresa);
public void stergeClient (Clienti client);
}
DAOImpl.ClientiDaoImpl
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package DAOImpl;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import pojo.Clienti;
import DAO.ClientiDao;
/**
*
* #author vali
*/
public class ClientiDaoImpl implements ClientiDao{
public void adaugaClienti(Clienti client) {
Session session = HibernateUtil.getSessionFactory().openSession();
Transaction transaction = session.beginTransaction();
session.save(client);
transaction.commit();
session.close();
}
public List<Clienti> afiseazaClienti() {
List<Clienti> listaClienti = new ArrayList();
Session session = HibernateUtil.getSessionFactory().openSession();
org.hibernate.Query query = session.createQuery("From Clienti");
listaClienti = query.list();
return listaClienti;
}
public void modificaClienti(int idclient, String nume_institutie_firma, String cod_unic, String adresa) {
Session session = HibernateUtil.getSessionFactory().openSession();
Transaction transaction = session.beginTransaction();
Clienti detaliiclienti = (Clienti) session.load(Clienti.class, idclient);
detaliiclienti.setnume_institutie_firma(nume_institutie_firma);
detaliiclienti.setcod_unic(cod_unic);
detaliiclienti.setAdresa(adresa);
session.update(detaliiclienti);
transaction.commit();
session.close();
}
public void stergeClient(Clienti client) {
Session session = HibernateUtil.getSessionFactory().openSession();
Transaction transaction = session.beginTransaction();
session.delete(client);
transaction.commit();
session.close();
}
}
Controller.ClientiController
package Controller;
import DAO.ClientiDao;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import jakarta.servlet.RequestDispatcher;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import pojo.Clienti;
import DAOImpl.ClientiDaoImpl;
/**
*
* #author vali
*/
public class ClientiController extends HttpServlet {
Clienti client = new Clienti();
ClientiDaoImpl clientDaoImpl = new ClientiDaoImpl();
#Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
if (request.getParameter("adaugaClient") != null) {
String nume_institutie_firma = request.getParameter("nume_institutie_firma");
String cod_unic = request.getParameter("cod_unic");
String adresa = request.getParameter("adresa");
client.setnume_institutie_firma(nume_institutie_firma);
client.setcod_unic(cod_unic);
client.setAdresa(adresa);
clientDaoImpl.adaugaClienti(client);
RequestDispatcher rd = request.getRequestDispatcher("adauga_Client.jsp");
rd.forward(request, response);
}
}
#Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
if (request.getParameter("afiseazaClienti") != null) {
List<Clienti> listaClienti = new ArrayList();
listaClienti = clientDaoImpl.afiseazaClienti();
request.setAttribute("listaClienti", listaClienti);
RequestDispatcher rd = request.getRequestDispatcher("tabela_Clienti.jsp");
rd.forward(request, response);
}
if (request.getParameter("modificaClient") != null) {
int id1 = Integer.parseInt(request.getParameter("idclient"));
String nume_institutie_firma = request.getParameter("nume_institutie_firma");
String cod_unic = request.getParameter("cod_unic");
String adresa = request.getParameter("adresa");
clientDaoImpl.modificaClienti(id1, nume_institutie_firma, cod_unic, adresa);
RequestDispatcher rd = request.getRequestDispatcher("adauga_Client.jsp");
rd.forward(request, response);
}
if (request.getParameter("stergeClient") != null) {
int id2 = Integer.parseInt(request.getParameter("idclient"));
client.setIdclient(id2);
clientDaoImpl.stergeClient(client);
RequestDispatcher rd = request.getRequestDispatcher("adauga_Client.jsp");
rd.forward(request, response);
}
}
/**
* Returns a short description of the servlet.
*
* #return a String containing servlet description
*/
#Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}