Falha com meu autocomplete (Primefaces)

<p:autoComplete id="acProcessador" value="#{rProcessamentoBean.processamento.processador}"
                                        completeMethod="#{completeBean.completeProcessador}" var="processador"
                                    itemLabel="#{processador.nome}" itemValue="#"
                                    converter="processadorConverter"/>

public class RProcessamento implements Serializable{

    private static final long serialVersionUID = 1L;
    
    private int id;
    private String local;
    private int invalidas;
    private int requerinte;
    private int processador;


{get e sets}

public List<GUsuario> completeProcessador(){
        
        List<GUsuario> results = new ArrayList<GUsuario>();
        GUsuarioDAO processadorDao = new GUsuarioDAO();
        
        results = processadorDao.completeRadar("");
        
        return results;
    }

@FacesConverter(value="processadorConverter")
public class ProcessadorConverter implements Converter {

    @Override
    public Object getAsObject(FacesContext context, UIComponent component, String value) {
        
        GUsuarioDAO usuarioDAO = new GUsuarioDAO();
        
        if(value.trim().equals("")){
            return null;
        } else {
            try {
                return usuarioDAO.getUser(value);
            } catch (SQLException ex) {
                Logger.getLogger(ProcessadorConverter.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
        
        return null;
    }

    @Override
    public String getAsString(FacesContext context, UIComponent component, Object value) {
        if (value == null || value.equals("")){
            return "";
        } else {
            return String.valueOf(((GUsuario)value).getId());
        }
    }
}