@Override public void exceptionCaught(ClientResponse<RetryResponseHolder<Intermediate>> clientResponse,
      Throwable throwable) {
    httpResponseHandler.exceptionCaught(unwrap(clientResponse), throwable);
  }
Class handling retry on Unauthorized responses.

@param <Intermediate> Intermediate response type.
@param <Final> final result type.
druid-handler/src/java/org/apache/hadoop/hive/druid/security/RetryIfUnauthorizedResponseHandler.java