return StringUtil.EMPTY;
                    });
            final BulkResponse response = builder.execute().actionGet(fessConfig.getIndexBulkTimeout());
            if (response.hasFailures()) {
                logger.warn("Failed to register {}: {}", dataPath, response.buildFailureMessage());
            }
        } catch (final Exception e) {

    }

    if (closeExchange) {
      exchange?.detachWithViolence()
    }

    interceptorScopedExchange = null
  }

  fun retryAfterFailure(): Boolean =
    exchange?.hasFailure == true &&
      exchangeFinder!!.routePlanner.hasNext(exchange?.connection)

  /**
   * Returns a string that describes this call. Doesn't include a full URL as that might contain
   * sensitive information.