}
public static CoprocessorServiceResponse execService(
final ClientService.BlockingInterface client, final CoprocessorServiceCall call,
final byte[] regionName, PayloadCarryingRpcController controller) throws IOException {
CoprocessorServiceRequest request = CoprocessorServiceRequest.newBuilder()
.setCall(call).setRegion(
RequestConverter.buildRegionSpecifier(REGION_NAME, regionName)).build();
try {
CoprocessorServiceResponse response =
client.execService(controller, request);