}
        } catch (final Exception e) {
            logger.warn("Failed to create thumbnail for {}", entity, e);
        }
    }

    public boolean offer(final Map<String, Object> docMap) {
        for (final ThumbnailGenerator generator : generatorList) {
            if (generator.isTarget(docMap)) {
                final String path = getImageFilename(docMap);

                final String thumbnailField = fessConfig.getIndexFieldThumbnail();
                docList.stream().forEach(doc -> {
                    if (!thumbnailManager.offer(doc)) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Removing {}={} from doc[{}]", thumbnailField, doc.get(thumbnailField),

            labelType.setCreatedTime(now);
            labelType.setUpdatedBy(Constants.SYSTEM_USER);
            labelType.setUpdatedTime(now);
        }
        tagQueue.offer(qName);
    }

    @Override
    public void endElement(final String uri, final String localName, final String qName) throws SAXException {
        if (logger.isDebugEnabled()) {