He tenido que quitar las entidades, porque no podia ejecutar, tengo que mejorar el index para que quede mas para abajo.

pom.xml

@@ -60,6 +60,8 @@
     </dependency>
 
 
+
+
     <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-devtools</artifactId>

src/main/java/com/cristobalbernal/foro/controlador/Controlador.java

@@ -0,0 +1,10 @@
+package com.cristobalbernal.foro.controlador;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class Controlador {
+
+}

src/main/java/com/cristobalbernal/foro/controlador/controlador.java

@@ -1,24 +0,0 @@
-package com.cristobalbernal.foro.controlador;
-
-import org.springframework.stereotype.Controller;
-import org.springframework.ui.Model;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
-
-import java.net.MalformedURLException;
-import java.net.URL;
-@Controller
-public class controlador {
-    @GetMapping({"/","","home","/inicio","/index"})
-    public String welcome(Model model) throws MalformedURLException {
-        final String currentURL = ServletUriComponentsBuilder.fromCurrentContextPath().build().toUriString();
-        URL requestURL = new URL(currentURL);
-        model.addAttribute("mensaje","Ramoncin");
-        String dominio = requestURL.getHost();
-        int x = dominio.indexOf(".");
-        int y = dominio.indexOf(".");
-        String conDominio = dominio.substring(0,x);
-        model.addAttribute("dominio",conDominio);
-        return "index";
-    }
-}

src/main/java/com/cristobalbernal/foro/entidades/CategoriaForoEntity.java

@@ -1,64 +0,0 @@
-package com.cristobalbernal.foro.entidades;
-
-import jakarta.persistence.*;
-
-@Entity
-@Table(name = "categoria_foro", schema = "foro", catalog = "")
-public class CategoriaForoEntity {
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Id
-    @Column(name = "id", nullable = false)
-    private int id;
-    @Basic
-    @Column(name = "name", nullable = true, length = 45)
-    private String name;
-    @Basic
-    @Column(name = "descripcion", nullable = true, length = 45)
-    private String descripcion;
-
-    public int getId() {
-        return id;
-    }
-
-    public void setId(int id) {
-        this.id = id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public String getDescripcion() {
-        return descripcion;
-    }
-
-    public void setDescripcion(String descripcion) {
-        this.descripcion = descripcion;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-
-        CategoriaForoEntity that = (CategoriaForoEntity) o;
-
-        if (id != that.id) return false;
-        if (name != null ? !name.equals(that.name) : that.name != null) return false;
-        if (descripcion != null ? !descripcion.equals(that.descripcion) : that.descripcion != null) return false;
-
-        return true;
-    }
-
-    @Override
-    public int hashCode() {
-        int result = id;
-        result = 31 * result + (name != null ? name.hashCode() : 0);
-        result = 31 * result + (descripcion != null ? descripcion.hashCode() : 0);
-        return result;
-    }
-}

src/main/java/com/cristobalbernal/foro/entidades/ForoEntity.java

@@ -1,105 +0,0 @@
-package com.cristobalbernal.foro.entidades;
-
-import jakarta.persistence.*;
-
-import java.sql.Timestamp;
-
-@Entity
-@Table(name = "foro", schema = "foro", catalog = "")
-public class ForoEntity {
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Id
-    @Column(name = "id", nullable = false)
-    private int id;
-    @Basic
-    @Column(name = "titulo", nullable = true, length = 150)
-    private String titulo;
-    @Basic
-    @Column(name = "descripcion", nullable = true, length = 150)
-    private String descripcion;
-    @Basic
-    @Column(name = "fechaYHora", nullable = true)
-    private Timestamp fechaYHora;
-    @Basic
-    @Column(name = "imagen_id", nullable = false)
-    private int imagenId;
-    @Basic
-    @Column(name = "categoria_foro_id", nullable = false)
-    private int categoriaForoId;
-
-    public int getId() {
-        return id;
-    }
-
-    public void setId(int id) {
-        this.id = id;
-    }
-
-    public String getTitulo() {
-        return titulo;
-    }
-
-    public void setTitulo(String titulo) {
-        this.titulo = titulo;
-    }
-
-    public String getDescripcion() {
-        return descripcion;
-    }
-
-    public void setDescripcion(String descripcion) {
-        this.descripcion = descripcion;
-    }
-
-    public Timestamp getFechaYHora() {
-        return fechaYHora;
-    }
-
-    public void setFechaYHora(Timestamp fechaYHora) {
-        this.fechaYHora = fechaYHora;
-    }
-
-    public int getImagenId() {
-        return imagenId;
-    }
-
-    public void setImagenId(int imagenId) {
-        this.imagenId = imagenId;
-    }
-
-    public int getCategoriaForoId() {
-        return categoriaForoId;
-    }
-
-    public void setCategoriaForoId(int categoriaForoId) {
-        this.categoriaForoId = categoriaForoId;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-
-        ForoEntity that = (ForoEntity) o;
-
-        if (id != that.id) return false;
-        if (imagenId != that.imagenId) return false;
-        if (categoriaForoId != that.categoriaForoId) return false;
-        if (titulo != null ? !titulo.equals(that.titulo) : that.titulo != null) return false;
-        if (descripcion != null ? !descripcion.equals(that.descripcion) : that.descripcion != null) return false;
-        if (fechaYHora != null ? !fechaYHora.equals(that.fechaYHora) : that.fechaYHora != null) return false;
-
-        return true;
-    }
-
-    @Override
-    public int hashCode() {
-        int result = id;
-        result = 31 * result + (titulo != null ? titulo.hashCode() : 0);
-        result = 31 * result + (descripcion != null ? descripcion.hashCode() : 0);
-        result = 31 * result + (fechaYHora != null ? fechaYHora.hashCode() : 0);
-        result = 31 * result + imagenId;
-        result = 31 * result + categoriaForoId;
-        return result;
-    }
-}

src/main/java/com/cristobalbernal/foro/entidades/RespuestasEntity.java

@@ -1,105 +0,0 @@
-package com.cristobalbernal.foro.entidades;
-
-import jakarta.persistence.*;
-
-import java.sql.Timestamp;
-
-@Entity
-@Table(name = "respuestas", schema = "foro", catalog = "")
-public class RespuestasEntity {
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Id
-    @Column(name = "id", nullable = false)
-    private int id;
-    @Basic
-    @Column(name = "Post", nullable = true, length = 45)
-    private String post;
-    @Basic
-    @Column(name = "fechaYHora", nullable = true)
-    private Timestamp fechaYHora;
-    @Basic
-    @Column(name = "Respuestas_id", nullable = false)
-    private int respuestasId;
-    @Basic
-    @Column(name = "users_id", nullable = false)
-    private int usersId;
-    @Basic
-    @Column(name = "Foro_id", nullable = false)
-    private int foroId;
-
-    public int getId() {
-        return id;
-    }
-
-    public void setId(int id) {
-        this.id = id;
-    }
-
-    public String getPost() {
-        return post;
-    }
-
-    public void setPost(String post) {
-        this.post = post;
-    }
-
-    public Timestamp getFechaYHora() {
-        return fechaYHora;
-    }
-
-    public void setFechaYHora(Timestamp fechaYHora) {
-        this.fechaYHora = fechaYHora;
-    }
-
-    public int getRespuestasId() {
-        return respuestasId;
-    }
-
-    public void setRespuestasId(int respuestasId) {
-        this.respuestasId = respuestasId;
-    }
-
-    public int getUsersId() {
-        return usersId;
-    }
-
-    public void setUsersId(int usersId) {
-        this.usersId = usersId;
-    }
-
-    public int getForoId() {
-        return foroId;
-    }
-
-    public void setForoId(int foroId) {
-        this.foroId = foroId;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-
-        RespuestasEntity that = (RespuestasEntity) o;
-
-        if (id != that.id) return false;
-        if (respuestasId != that.respuestasId) return false;
-        if (usersId != that.usersId) return false;
-        if (foroId != that.foroId) return false;
-        if (post != null ? !post.equals(that.post) : that.post != null) return false;
-        if (fechaYHora != null ? !fechaYHora.equals(that.fechaYHora) : that.fechaYHora != null) return false;
-
-        return true;
-    }
-
-    @Override
-    public int hashCode() {
-        int result = id;
-        result = 31 * result + (post != null ? post.hashCode() : 0);
-        result = 31 * result + (fechaYHora != null ? fechaYHora.hashCode() : 0);
-        result = 31 * result + respuestasId;
-        result = 31 * result + usersId;
-        result = 31 * result + foroId;
-        return result;
-    }
-}

src/main/java/com/cristobalbernal/foro/entidades/UsersEntity.java

@@ -1,143 +0,0 @@
-package com.cristobalbernal.foro.entidades;
-
-import jakarta.persistence.*;
-
-@Entity
-@Table(name = "users", schema = "foro", catalog = "")
-public class UsersEntity {
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Id
-    @Column(name = "id", nullable = false)
-    private int id;
-    @Basic
-    @Column(name = "name", nullable = true, length = 45)
-    private String name;
-    @Basic
-    @Column(name = "firstname", nullable = true, length = 45)
-    private String firstname;
-    @Basic
-    @Column(name = "secondname", nullable = true, length = 45)
-    private String secondname;
-    @Basic
-    @Column(name = "password", nullable = true, length = 45)
-    private String password;
-    @Basic
-    @Column(name = "email", nullable = true, length = 45)
-    private String email;
-    @Basic
-    @Column(name = "username", nullable = true, length = 45)
-    private String username;
-    @Basic
-    @Column(name = "urlImgen", nullable = true, length = 150)
-    private String urlImgen;
-    @Basic
-    @Column(name = "tipoPrivilegios", nullable = true)
-    private Byte tipoPrivilegios;
-
-    public int getId() {
-        return id;
-    }
-
-    public void setId(int id) {
-        this.id = id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public String getFirstname() {
-        return firstname;
-    }
-
-    public void setFirstname(String firstname) {
-        this.firstname = firstname;
-    }
-
-    public String getSecondname() {
-        return secondname;
-    }
-
-    public void setSecondname(String secondname) {
-        this.secondname = secondname;
-    }
-
-    public String getPassword() {
-        return password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-
-    public String getEmail() {
-        return email;
-    }
-
-    public void setEmail(String email) {
-        this.email = email;
-    }
-
-    public String getUsername() {
-        return username;
-    }
-
-    public void setUsername(String username) {
-        this.username = username;
-    }
-
-    public String getUrlImgen() {
-        return urlImgen;
-    }
-
-    public void setUrlImgen(String urlImgen) {
-        this.urlImgen = urlImgen;
-    }
-
-    public Byte getTipoPrivilegios() {
-        return tipoPrivilegios;
-    }
-
-    public void setTipoPrivilegios(Byte tipoPrivilegios) {
-        this.tipoPrivilegios = tipoPrivilegios;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-
-        UsersEntity that = (UsersEntity) o;
-
-        if (id != that.id) return false;
-        if (name != null ? !name.equals(that.name) : that.name != null) return false;
-        if (firstname != null ? !firstname.equals(that.firstname) : that.firstname != null) return false;
-        if (secondname != null ? !secondname.equals(that.secondname) : that.secondname != null) return false;
-        if (password != null ? !password.equals(that.password) : that.password != null) return false;
-        if (email != null ? !email.equals(that.email) : that.email != null) return false;
-        if (username != null ? !username.equals(that.username) : that.username != null) return false;
-        if (urlImgen != null ? !urlImgen.equals(that.urlImgen) : that.urlImgen != null) return false;
-        if (tipoPrivilegios != null ? !tipoPrivilegios.equals(that.tipoPrivilegios) : that.tipoPrivilegios != null)
-            return false;
-
-        return true;
-    }
-
-    @Override
-    public int hashCode() {
-        int result = id;
-        result = 31 * result + (name != null ? name.hashCode() : 0);
-        result = 31 * result + (firstname != null ? firstname.hashCode() : 0);
-        result = 31 * result + (secondname != null ? secondname.hashCode() : 0);
-        result = 31 * result + (password != null ? password.hashCode() : 0);
-        result = 31 * result + (email != null ? email.hashCode() : 0);
-        result = 31 * result + (username != null ? username.hashCode() : 0);
-        result = 31 * result + (urlImgen != null ? urlImgen.hashCode() : 0);
-        result = 31 * result + (tipoPrivilegios != null ? tipoPrivilegios.hashCode() : 0);
-        return result;
-    }
-}