Não interceptou ao usar arquivo ejb-jar.xml

Com a annotation funciona mas ao interceptar via arquivo xml não funcionou. Nenhum log de erro aparece no console. Alguma dica de como eu posso investigar?

arquivo ejb-jar.xml

<ejb-jar xmlns="http://java.sun.com/xml/ns/javaee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
 http://java.sun.com/xml/ns/javaee/ejb-jar_3_1.xsd"
 version="3.1">

     <interceptors>
         <interceptor>
             <interceptor-class>
                br.com.caelum.livraria.interceptor.LogInterceptador
            </interceptor-class>
         </interceptor>
     </interceptors>

     <assembly-descriptor>
        <interceptor-binding>
            <ejb-name>AutorDao</ejb-name>
            <interceptor-class>
                br.com.caelum.livraria.interceptor.LogInterceptador
            </interceptor-class>
        </interceptor-binding>

        <interceptor-binding>
            <ejb-name>AutorService</ejb-name>
            <interceptor-class>
                br.com.caelum.livraria.interceptor.LogInterceptador
            </interceptor-class>
        </interceptor-binding>
    </assembly-descriptor>

</ejb-jar>

LogInterceptador.java

package br.com.caelum.livraria.interceptor;

import javax.interceptor.AroundInvoke;
import javax.interceptor.InvocationContext;

public class LogInterceptador {

    @AroundInvoke
    public Object tempoDeAcessoAoBanco(InvocationContext ic) throws Exception{

        long tempoInicial = System.currentTimeMillis();

        Object proceed = ic.proceed();
        String metodo = ic.getMethod().getName();
        String classe = ic.getTarget().getClass().getSimpleName();
        long tempoFinal = System.currentTimeMillis();

        System.out.println("["+classe+":"+metodo+"] Tempo decorrido: " + (tempoFinal-tempoInicial));

        return proceed;
    }
}