}
        return params;
    }

    protected ExtractData getExtractData(final Extractor extractor, final InputStream in, final Map<String, String> params) {
        try {
            return extractor.getText(in, params);
        } catch (final RuntimeException e) {
            if (!fessConfig.isCrawlerIgnoreContentException()) {
                throw e;
            }
            if (logger.isDebugEnabled()) {

                try {
                    popularWordsRequestBuilder.execute().getResponse().getItems().stream().forEach(item -> wordList.add(item.getText()));
                } catch (final SuggesterException e) {
                    logger.warn("Failed to generate popular words.", e);
                }

                return wordList;
            });

                    if (!first) {
                        buf.append(',');
                    }
                    first = false;

                    buf.append("{\"text\":\"").append(StringEscapeUtils.escapeJson(item.getText())).append('\"');
                    buf.append(",\"labels\":[");
                    for (int i = 0; i < item.getTags().length; i++) {
                        if (i > 0) {
                            buf.append(',');

                    case "iss":
                        attributes.put("iss", jsonParser.getText());
                        break;
                    case "sub":
                        attributes.put("sub", jsonParser.getText());
                        break;
                    case "azp":
                        attributes.put("azp", jsonParser.getText());
                        break;
                    case "email":