One that actually works

grapeconfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<ivy-settings>
  <settings defaultResolver="downloadGrapes" />
    <resolvers>
        <ibiblio name="ibiblio-maven2" m2compatible="true"/>
        <ibiblio name="java-net-maven2" root="http://download.java.net/maven/2/" m2compatible="true" />
        <ibiblio name="maven" root="http://mvnrepository.com/artifact/" m2compatible="true" />
        <chain name="downloadGrapes">
            <resolver ref="maven"/>
            <resolver ref="ibiblio-maven2"/>
            <resolver ref="java-net-maven2"/>
        </chain>
    </resolvers>
</ivy-settings>