I can’t validate @Embeddable class attributes

Question

I have validation problem in the Address class that is @Embeddable while trying to make a POST.

When I put on null in the field nome that is of Pessoa for example, I can capture the custom message so far ok! But when I put null in any class attribute Endereco who is @Embeddable I can’t validate and show custom message.

Follow the error:

{
    "timestamp": "2021-04-15T01:34:19.071+00:00",
    "status": 500,
    "error": "Internal Server Error",
    "trace": "org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement\n\tat org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:276)\n\tat org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:233)\n\tat org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:551)\n\tat org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)\n\tat org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:242)\n\tat org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)\n\tat org.springframework.data.jpa.repository.support. (ResultSetReturnImpl.java:197)\n\t... 111 more\n",
    "message": "could not execute statement; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement",
    "path": "/pessoas"
}

Follow an example from my JSON, and the classes Pessoa and Endereco:

{
    "nome": "Dayson Rodrigues Mota",
    "ativo": true,
    "endereco": {
        "logradouro": null,
        "numero": 90,
        "complemento": "324",
        "bairro": "Testeeee",
        "cep": "234",
        "cidade": "234",
        "estado": "ld"
    }
}

package com.example.algamoney.model;

import javax.persistence.Embedded;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;

@Entity
@Table(name = "pessoa" )
public class Pessoa {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long codigo;
    
    @NotNull
    @Size(min = 10,max = 60)
    private String nome;
    @NotNull
    private boolean ativo;
    
    @Embedded
    private Endereco endereco;

    public Long getCodigo() {
        return codigo;
    }

    public void setCodigo(Long codigo) {
        this.codigo = codigo;
    }

    public String getNome() {
        return nome;
    }
    
    public void setNome(String nome) {
        this.nome = nome;
    }

    public boolean isAtivo() {
        return ativo;
    }

    public void setAtivo(boolean ativo) {
        this.ativo = ativo;
    }

    public Endereco getEndereco() {
        return endereco;
    }

    public void setEndereco(Endereco endereco) {
        this.endereco = endereco;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + (ativo ? 1231 : 1237);
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Pessoa other = (Pessoa) obj;
        if (ativo != other.ativo)
            return false;
        return true;
    }

}

package com.example.algamoney.model;

import javax.persistence.Embeddable;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;

@Embeddable
public class Endereco {

    @NotNull
    @Size(min = 2, max = 60)
    private String logradouro;
    
    @NotNull
    @Size(min = 1, max = 5)
    private String numero;

    @Size(min = 1, max = 10)
    private String complemento;
    
    @NotNull
    @Size(min = 3, max = 50)
    private String bairro;
    
    @NotNull
    @Size(min = 4, max = 9)
    private String cep;
    
    @NotNull
    @Size(min = 2, max = 30)
    private String cidade;
    
    @NotNull
    @Size(min = 2, max = 2)
    private String estado;

    public String getLogradouro() {
        return logradouro;
    }

    public void setLogradouro(String logradouro) {
        this.logradouro = logradouro;
    }

    public String getNumero() {
        return numero;
    }

    public void setNumero(String numero) {
        this.numero = numero;
    }

    public String getComplemento() {
        return complemento;
    }

    public void setComplemento(String complemento) {
        this.complemento = complemento;
    }

    public String getBairro() {
        return bairro;
    }

    public void setBairro(String bairro) {
        this.bairro = bairro;
    }

    public String getCep() {
        return cep;
    }

    public void setCep(String cep) {
        this.cep = cep;
    }

    public String getCidade() {
        return cidade;
    }

    public void setCidade(String cidade) {
        this.cidade = cidade;
    }

    public String getEstado() {
        return estado;
    }

    public void setEstado(String estado) {
        this.estado = estado;
    }

}

Answer 1

To consider validating internal classes, you should use the annotation @Valid of JSR-303 as described at that session of documentation

Thus, your class statement Endereco would look this way:

@Valid
@Embedded
private Endereco endereco;

An example of such use is also found at that session of documentation.