@Override
    public void cancelOperation(OperationHandle opHandle) throws HiveSQLException {
      cliService.cancelOperation(opHandle);
    }
RetryingThriftCLIServiceClient. Creates a proxy for a CLIServiceClient
implementation and retries calls to it on failure.
service/src/java/org/apache/hive/service/cli/thrift/RetryingThriftCLIServiceClient.java