quickstart/src/main/resources/archetype-resources/src/main/webapp/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
    version="2.4">

    <display-name>${artifactId} Tapestry 5 Application</display-name>
    <context-param>
        <!--
        The only significant configuration for Tapestry 5, this informs Tapestry
        of where to look for pages, components and mixins.
        -->
        <param-name>tapestry.app-package</param-name>
        <param-value>${package}</param-value>
    </context-param>

    <!--
    Specify some additional Modules for two different execution
    modes: development and qa.
    Remember that the default execution mode is production
    -->
    <context-param>
        <param-name>tapestry.development-modules</param-name>
        <param-value>
            ${package}.services.DevelopmentModule
        </param-value>
    </context-param>
    <context-param>
        <param-name>tapestry.qa-modules</param-name>
        <param-value>
            ${package}.services.QaModule
        </param-value>
    </context-param>


    <!-- Filter configuration -->
    <filter>
        <filter-name>app</filter-name>
        <filter-class>org.apache.tapestry5.TapestryFilter</filter-class>
    </filter>

    <filter-mapping>
        <filter-name>app</filter-name>
        <url-pattern>/*</url-pattern>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>ERROR</dispatcher>
    </filter-mapping>

    <error-page>
        <error-code>404</error-code>
        <location>/error404</location>
    </error-page>

</web-app>