/**
     * Adds an error message to the error queue for later processing.
     * This method is thread-safe and can be called from multiple crawler threads.
     *
     * @param msg the error message to add; ignored if null or blank
     */
    public static void addError(final String msg) {
        if (StringUtil.isNotBlank(msg)) {
            errors.offer(msg);
        }
    }

    /**

labels.csvFileEncoding=Codifica CSV
labels.defaultLabelValue=Etichetta predefinita
labels.designFileName=Nome file
labels.incrementalCrawling=Verifica ultima modifica
labels.errorCount=Numero di errori
labels.errorLog=Log errori
labels.errorName=Nome errore
labels.expiredTime=Data di scadenza
labels.expires=Scade
labels.failureCountThreshold=Soglia di fallimento
labels.fileConfigName=Nome configurazione scansione file
labels.fileName=Nome file

labels.defaultLabelValue=Etiqueta por defecto
labels.designFileName=Nombre de archivo
labels.incrementalCrawling=Comprobar fecha de última modificación
labels.errorCount=Número de errores
labels.errorLog=Registro de errores
labels.errorName=Nombre del error
labels.expiredTime=Fecha de caducidad
labels.expires=Caduca
labels.failureCountThreshold=Umbral de fallos
labels.fileConfigName=Nombre de configuración de rastreo de archivos

    }

    /**
     * Indexes suggest data from documents.
     *
     * @param success A callback for successful indexing.
     * @param error   A callback for indexing errors.
     */
    public void indexFromDocuments(final Consumer<Boolean> success, final Consumer<Throwable> error) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

    protected long executeTime;

    /** Total number of processed documents */
    protected long documentSize;

    /** Maximum number of indexer errors allowed */
    protected int maxIndexerErrorCount = 0;

    /** Maximum number of general errors allowed before termination */
    protected int maxErrorCount = 2;

    /** List of finished crawler session IDs for cleanup */

     *
     * @param is the input source containing the GSA configuration XML
     * @throws GsaConfigException if parsing fails due to XML format issues or other errors
     */
    public void parse(final InputSource is) {
        try {
            final SAXParserFactory factory = SAXParserFactory.newInstance();

        return BeanUtil.copyBeanToNewBean(src, destClass);
    }

    /**
     * Builds a comprehensive error message from a throwable and its causes.
     * This method traverses the cause chain and concatenates all error messages.
     *
     * @param t the throwable to build message from
     * @return a string containing all error messages in the cause chain
     */
    protected String buildThrowableMessage(final Throwable t) {

     */
    protected enum Result {
        /** Thumbnail was successfully generated */
        OK,
        /** Thumbnail generation failed due to processing errors */
        FAILED,
        /** Image dimensions do not meet validation requirements */
        INVALID_SIZE,
        /** No valid image data was found in the input */
        NO_IMAGE;
    }

        // All threads should fail with the same IOException (project ID is blank)
        // But importantly, there should be no race condition errors
        assertEquals(threadCount, failureCount.get());
        assertEquals(0, successCount.get());

        // All exceptions should be about project ID being blank
        for (Exception e : exceptions) {

            if (dataStore == null) {
                logger.error("DataStore({}) is not found.", dataConfig.getHandlerName());
            } else {
                try {
                    dataStore.store(dataConfig, indexUpdateCallback, initParamMap);
                } catch (final Throwable e) {
                    logger.error("Failed to process a data crawling: {}", dataConfig.getName(), e);