vaadin-framework/WebContent/WEB-INF/liferay-portlet.xml

<?xml version="1.0"?>
<!DOCTYPE liferay-portlet-app PUBLIC "-//Liferay//DTD Portlet Application 4.3.0//EN" "http://www.liferay.com/dtd/liferay-portlet-app_4_3_0.dtd">

<liferay-portlet-app>
    <portlet>
        <portlet-name>JSR286TestPortlet</portlet-name>
        <instanceable>false</instanceable>
        <ajaxable>false</ajaxable>
    </portlet>
    <portlet>
        <portlet-name>Vaadin Liferay Theme Portlet</portlet-name>
        <instanceable>false</instanceable>
        <ajaxable>false</ajaxable>
    </portlet>

    <role-mapper>
        <role-name>administrator</role-name>
        <role-link>Administrator</role-link>
    </role-mapper>
    <role-mapper>
        <role-name>guest</role-name>
        <role-link>Guest</role-link>
    </role-mapper>
    <role-mapper>
        <role-name>power-user</role-name>
        <role-link>Power User</role-link>
    </role-mapper>
    <role-mapper>
        <role-name>user</role-name>
        <role-link>User</role-link>
    </role-mapper>

</liferay-portlet-app>