[RESOLVIDO] VRaptor - Guice error - No implementation for byte[]

@Component
public class FotoViewModel {

    private String descricao;
    private byte[] imagem;
}

GRAVE: Exception starting filter vraptor
com.google.inject.CreationException: Guice creation errors:

1) No implementation for byte[] was bound.
  while locating byte[]
    for parameter 1 at br.com.inflash.models.viewmodel.FotoEventoViewModel.<init>(FotoEventoViewModel.java:21)
  at br.com.caelum.vraptor.ioc.guice.GuiceComponentRegistry.bindToConstructor(GuiceComponentRegistry.java:151)

1 error [...]