fix grpc RoundRobinPicker
@@ -35,7 +35,7 @@ public class RoundRobinPicker extends AbstractReadyPicker {
* AtomicIntegerFieldUpdater index.
*/
@SuppressWarnings("unused")
- private volatile Integer index = 0;
+ private volatile int index = 0;
public RoundRobinPicker(final List<LoadBalancer.Subchannel> list) {
super(list);
