@OptimisticLocking(type = OptimisticLockingType.ALL_COLUMNS)
@Entity(name = "RNC_RELATORIO")
public class RncRelatorio implements Serializable{

@ManyToOne
@JoinColumn(name = "emitente_id")
private SosUsuario emitente;

@OneToMany(cascade = CascadeType.ALL, mappedBy = "relatorio", orphanRemoval = true)
private List<RncAcao> acoes = new ArrayList<>();

...