<dependency>
    <maven>
        <groupId>org.jruby.extras</groupId>
        <artifactId>jnr-netdb</artifactId>
        <version>1.0.1</version>
    </maven>
    <jpp>
        <groupId>JPP</groupId>
        <artifactId>jnr-netdb</artifactId>
        <version>1.0.1</version>
    </jpp>
</dependency>