jetty-plus/src/test/resources/web-fragment-4.xml

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

<web-fragment
   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-fragment_3_0.xsd"
   version="3.0">

    <name>Fragment 4</name>

    <resource-ref>
        <res-ref-name>jdbc/mymissingdatasource</res-ref-name>
        <res-type>javax.sql.DataSource</res-type>
        <res-auth>Container</res-auth>
    </resource-ref>
</web-fragment>