struts2-archetype-starter/src/main/resources/META-INF/maven/archetype-metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<archetype-descriptor name="struts2-archetype-convention">

    <fileSets>
        <fileSet filtered="true" packaged="true">
            <directory>src/main/java</directory>
            <includes>
                <include>**/*.java</include>
            </includes>
        </fileSet>

        <fileSet filtered="true" packaged="true">
            <directory>src/test/java</directory>
            <includes>
                <include>**/*.java</include>
            </includes>
        </fileSet>

        <fileSet filtered="true" packaged="false">
            <directory>src/main/resources</directory>
            <includes>
                <include>**/*.xml</include>
                <include>**/*.properties</include>
            </includes>
        </fileSet>

        <fileSet filtered="false" packaged="false">
            <directory>src/main/webapp</directory>
            <includes>
                <include>**/*.jsp</include>
                <include>**/*.css</include>
            </includes>
        </fileSet>

        <fileSet filtered="true" packaged="false">
            <directory>src/main/webapp/WEB-INF</directory>
            <includes>
                <include>**/*.xml</include>
            </includes>
        </fileSet>
    </fileSets>

</archetype-descriptor>