final SetObjectTagsArgs args =
                    SetObjectTagsArgs.builder().bucket(fessConfig.getStorageBucket()).object(objectName).tags(tags).build();
            createClient(fessConfig).setObjectTags(args);
        } catch (final Exception e) {
            throw new StorageException("Failed to update tags for " + objectName, e);
        }
    }

        onConnectListenerList.add(listener);
    }

    public boolean connected() {
        return connected;
    }

    public void connect() {
        destroy();
        client = createClient();

        final ClusterHealthResponse healthResponse =
                get(c -> c.admin().cluster().prepareHealth(targetIndices).setWaitForYellowStatus().execute());
        if (!healthResponse.isTimedOut()) {