}
public static CoprocessorServiceResponse execService(
final MasterService.BlockingInterface client, final CoprocessorServiceCall call)
throws IOException {
CoprocessorServiceRequest request = CoprocessorServiceRequest.newBuilder()
.setCall(call).setRegion(
RequestConverter.buildRegionSpecifier(REGION_NAME, HConstants.EMPTY_BYTE_ARRAY)).build();
try {
CoprocessorServiceResponse response =
client.execMasterService(null, request);