Action Não localiza o metodo. | Java e JSF I: Sua aplicação web com JSF2

 javax.el.MethodNotFoundException: /autor.xhtml @13,89 action="#{autorBean.carregaAutorPorId}": Method not found: br.com.caelum.livraria.bean.AutorBean@24af0fc7.carregaAutorPorId()

AutorBean:

    public void carregaAutorPorId(Integer autorId) {         
            this.autor = new DAO<Autor>(Autor.class).buscaPorId(autorId);        
    }

autor.xhtml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:h="http://xmlns.jcp.org/jsf/html"
    xmlns:f="http://xmlns.jcp.org/jsf/core"
    xmlns:ui="http://xmlns.jcp.org/jsf/facelets">

    <ui:composition template="_template.xhtml">


        <f:metadata>
            <f:viewParam id="id" name="autorId" value="#{autorBean.autorId}"/> 
            <f:viewAction action="#{autorBean.carregaAutorPorId}" if="#{param.autorId != null}"/>    
        </f:metadata>

lib - javax.faces-2.2.13

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