public static final String ERRORS_APP_ILLEGAL_TRANSITION = "{errors.app.illegal.transition}";

    /** The key of the message: It may have been deleted by another process. Please try again. */
    public static final String ERRORS_APP_DB_ALREADY_DELETED = "{errors.app.db.already.deleted}";

    /** The key of the message: It may have been updated by another process. Please try again. */

    public static final String LABELS_menu_maintenance = "{labels.menu_maintenance}";

    /** The key of the message: Related Content */
    public static final String LABELS_menu_related_content = "{labels.menu_related_content}";

    /** The key of the message: Related Query */
    public static final String LABELS_menu_related_query = "{labels.menu_related_query}";

    /** The key of the message: Search... */

        }

        return false;
    }

    /**
     * Deletes an index from the search engine.
     *
     * @param indexName the name of the index to delete
     * @return true if the index was deleted successfully, false otherwise
     */
    public boolean deleteIndex(final String indexName) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        try {

    private boolean isRetryableException(CIFSException e) {
        if (e instanceof SmbException) {
            SmbException se = (SmbException) e;
            int status = se.getNtStatus();
            // Retry on network-related errors but not on authentication or access errors
            return status == NtStatus.NT_STATUS_CONNECTION_REFUSED || status == NtStatus.NT_STATUS_NETWORK_NAME_DELETED

     * <code>SmbFile</code>. If the target is a directory, the contents of
     * the directory will be deleted as well. If a file within the directory or
     * it's sub-directories is marked read-only, the read-only status will
     * be removed and the file will be deleted.
     *
     * @throws SmbException if an error occurs while deleting the file or directory
     */