<servlet>
	<servlet-name>Jersey REST Service</servlet-name>
	<servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
	<init-param>
		<param-name>com.sun.jersey.config.property.packages</param-name>
		<param-value>com.yourpackage.somewhat</param-value>
	</init-param>
	<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
	<servlet-name>Jersey REST Service</servlet-name>
	<url-pattern>/*</url-pattern>
</servlet-mapping>

@Path("/foo")
public class Fool {
	@GET
	@Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
	@Path("{aParam}")
	public List<Object> getFoo(@PathParam("aParam") final String param) {
		return List<Object>;
	}
}