Field 'password' doesn't have a default value

public class RegistrationPageServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            String email = req.getParameter("userEmailAddress");
            String fullName = req.getParameter("userFullName");
            String username = req.getParameter("username");
            String password = req.getParameter("password");
 
            TeacherInfo user = new TeacherInfo(email, fullName, username, password);
 
            SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
            Session session = sessionFactory.openSession();
            Transaction tx = session.beginTransaction();
            session.save(user);
            tx.commit();
 
            resp.sendRedirect("index.html");
    }
}

@Entity
@Table(name = "teachers")
public class TeacherInfo {
    @Id @GeneratedValue
    @Column(name = "id")
    private int id;
 
    @Column(name = "email")
    private String email;
 
    @Column(name = "full_name")
    private String fullName;
 
    @Column(name = "username")
    private String username;
 
    @Column(name = "pass")
    private String password;
 
    public TeacherInfo() {
    }
 
    public TeacherInfo(String email, String fullName, String username, String password) {
        this.email = email;
        this.fullName = fullName;
        this.username = username;
        this.password = password;
    }
 
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getEmail() {
        return email;
    }
    public void setEmail(String email) {
        this.email = email;
    }
    public String getFullName() {
        return fullName;
    }
    public void setFullName(String fullName) {
        this.fullName = fullName;
    }
    public String getUsername() {
        return username;
    }
    public void setUsername(String username) {
        this.username = username;
    }
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
}