Um segundo elemento <portlet> a ser adicionado a portlet.xm

  <!-- A adicionar logo abaixo do primeiro <portlet> -->
  <portlet>
    <portlet-name>segundo-portlet</portlet-name>
    <display-name>Segundo portlet</display-name>
    <portlet-class>br.com.seatecnologia.blog.portlet.SegundoPortlet</portlet-class>
    <supports>
      <mime-type>text/html</mime-type>
      <portlet-mode>VIEW</portlet-mode>
    </supports>
    <portlet-info>
      <title>Segundo portlet</title>
      <short-title>Segundo portlet</short-title>
      <keywords></keywords>
    </portlet-info>
  </portlet>