<dependency>
    <maven>
        <groupId>com.ning</groupId>
        <artifactId>async-http-client</artifactId>
        <version>1.6.1</version>
    </maven>
    <jpp>
        <groupId>JPP</groupId>
        <artifactId>async-http-client</artifactId>
        <version>1.6.1</version>
    </jpp>
</dependency>