@Path("auto-ack/{consumer-id}")
@HEAD
public Response headAutoAckSubscription(@PathParam("consumer-id") String consumerId,
@Context UriInfo uriInfo) throws Exception
{
QueueConsumer consumer = findAutoAckSubscription(consumerId);
Response.ResponseBuilder builder = Response.noContent();
headAutoAckSubscriptionResponse(uriInfo, consumer, builder);
return builder.build();
}