Using an injected UriInfo object by the JAX-RS runtime environment does not work

package jdsu.vts.tcpcontroller.webservices.rest.resources;

import java.net.URI;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.Consumes;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import jdsu.vts.tcpcontroller.webservices.rest.application.V1_TCPController;
import jdsu.vts.shared.transferobjects.V1_TCPSetups;

@Path("/v1")
public class V1_TCPControllerResource {
	@Context UriInfo uriInfo;
	
	@GET
	@Produces("application/json")
	public Response getControllers() {
		//String json = String.valueOf(m_testsMap.size());	
		return Response.ok(V1_TCPController.getCollection()).build();
	}
	
	@PUT
	@Path("{id}")	
	@Produces("application/json")
	public Response addController(@PathParam("id") String id) {
		V1_TCPController controller = V1_TCPController.find(id);
		if(controller != null) {			
			return Response.status(Response.Status.CONFLICT).build();
		}
		controller = new V1_TCPController(id);
		URI uri = uriInfo.getAbsolutePathBuilder().path(id).build();
		return Response.created(uri).build();
	}
}