vaadin-framework/test/servlet-containers/jsp-integration/src/main/webapp/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="vaadin-uitest" version="3.0"
    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/web-app_3_0.xsd">

    <!-- THIS IS A DEVELOPMENT AND TESTING web.xml . -->

    <display-name>Vaadin</display-name>
    <description>Vaadin JSP Integration Test</description>

    <context-param>
        <param-name>productionMode</param-name>
        <param-value>false</param-value>
    </context-param>

    <servlet>
        <servlet-name>VaadinStaticFiles</servlet-name>
        <servlet-class>com.vaadin.server.VaadinServlet</servlet-class>
        <async-supported>false</async-supported>
    </servlet>

    <servlet>
        <servlet-name>PrimaryUIServlet</servlet-name>
        <servlet-class>com.vaadin.server.VaadinServlet</servlet-class>
        <init-param>
            <param-name>UI</param-name>
            <param-value>com.vaadin.tests.integration.TrivialUI</param-value>
        </init-param>
        <async-supported>true</async-supported>
    </servlet>

    <servlet>
        <servlet-name>SecondaryUIServlet</servlet-name>
        <servlet-class>com.vaadin.server.VaadinServlet</servlet-class>
        <init-param>
            <param-name>UI</param-name>
            <param-value>com.vaadin.tests.integration.AnotherTrivialUI</param-value>
        </init-param>
        <async-supported>true</async-supported>
    </servlet>

    <servlet-mapping>
        <servlet-name>PrimaryUIServlet</servlet-name>
        <url-pattern>/primaryui/*</url-pattern>
    </servlet-mapping>

    <servlet-mapping>
        <servlet-name>SecondaryUIServlet</servlet-name>
        <url-pattern>/secondaryui/*</url-pattern>
    </servlet-mapping>

    <servlet-mapping>
        <servlet-name>VaadinStaticFiles</servlet-name>
        <url-pattern>/VAADIN/*</url-pattern>
    </servlet-mapping>

</web-app>