portlet.xml inicial de Hello Portlet

<?xml version="1.0"?>
<portlet-app version="2.0"
    xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="
      http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd
      http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd">
  <portlet>
    <portlet-name>hello-portlet</portlet-name>
    <display-name>Portlet "Hello, World"</display-name>
    <portlet-class>br.com.seatecnologia.blog.portlet.HelloPortlet</portlet-class>
    <supports>
      <mime-type>text/html</mime-type>
      <portlet-mode>VIEW</portlet-mode>
    </supports>
    <portlet-info>
      <title>Portlet "Hello, World"</title>
      <short-title>Portlet "Hello, World"</short-title>
      <keywords></keywords>
    </portlet-info>
  </portlet>
</portlet-app>