Estou criando um projeto com servlet e o banco não está sendo criado

Bom, estou criando um crud de clientes utilizando o servlet mais não está sendo criado o banco o que pode está acontecendo. Vou deixar to codigo abaixo:

Codigo:

@Entity
@Table(name = "clients")
public class Client {
    
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    private String nome;
    private Login login;
    
    public Client(String nome, Login login) {
        this.nome = nome;
        this.login = login;
    }

    public Long getId() {
        return id;
    }

    public String getNome() {
        return nome;
    }

    public Login getLogin() {
        return login;
    }
}

public class Login {
    
    private String email;
    private String senha;
    
    public Login(String email, String senha) {
        super();
        this.email = email;
        this.senha = senha;
    }

    public String getEmail() {
        return email;
    }
    
    public String getSenha() {
        return senha;
    }
    
}

public class ClientRepository {

    public void cadastrarCliente(Client client) throws SQLException {

        EntityManager manager = JPAUtil.getEntityManager();
        EntityTransaction transaction = manager.getTransaction();

        try {
            transaction.begin();
            manager.persist(client);
            transaction.commit();
        } catch (Exception e) {
            
            if (transaction.isActive()) {
                transaction.rollback();
            }
            
            throw new SQLException(e);
        } finally {
            JPAUtil.closeEntityManager();
        }
    }
}

public class ClientService {

    private ClientRepository repository = new ClientRepository();

    public void cadatrarCliente(Client client) throws SQLException {

        String nome = client.getNome();
        String email = client.getLogin().getEmail();
        String senha = client.getLogin().getSenha();

        String senhaHash = BCrypt.hashpw(senha, BCrypt.gensalt());
        
        Login login = new Login(email, senhaHash);
        
        Client clientCadastrado = new Client(nome, login);
        
        repository.cadastrarCliente(clientCadastrado);
        
    }
}

public class CadastrarClientesBean implements TipoAcao {
    
    private HttpServletRequest req;
    private HttpServletResponse resp;
    
    public CadastrarClientesBean(HttpServletRequest req, HttpServletResponse resp) {
        super();
        this.req = req;
        this.resp = resp;
    }

    @Override
    public void execute() throws ServletException, IOException, SQLException {
        
        String nome = this.req.getParameter("nome");
        String email = this.req.getParameter("email");
        String senha = this.req.getParameter("senha");
        
        Login login = new Login(email, senha);
        
        Client client = new Client(nome, login);
        
        ClientService service = new ClientService();
        
        service.cadatrarCliente(client);
        
    }
}

public interface TipoAcao {
    void execute() throws ServletException, IOException, SQLException ;
}

@WebServlet(urlPatterns = "/client")
public class ClienteController extends HttpServlet {

    private static final long serialVersionUID = 1L;

    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        String action = req.getParameter("acao");

        String fqn = "br.com.client.bean." + Character.toUpperCase(action.charAt(0)) + action.substring(1);

        try {
            Class<?> classe = Class.forName(fqn);
            Constructor<?> constructor = classe.getDeclaredConstructor(HttpServletRequest.class,
                    HttpServletResponse.class);
            TipoAcao tipoAcao = (TipoAcao) constructor.newInstance(req, resp);
        } catch (ClassNotFoundException | NoSuchMethodException | SecurityException | InstantiationException
                | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
            throw new ServletException(e);
        }

    }

}

public class JPAUtil {
    
    private static final EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("Client");

    public static EntityManager getEntityManager() {
        return entityManagerFactory.createEntityManager();
    }

    public static void closeEntityManager() {
        entityManagerFactory.close();
    }
}