/** Default character encoding to use for requests */
    protected String encoding;

    /** Servlet context for this filter */
    protected ServletContext servletContext;

    /** URL codec for encoding and decoding URL parameters */
    protected URLCodec urlCodec = new URLCodec();

    /**
     * Default constructor for EncodingFilter.
     */

     * @throws JobProcessingException if the Python script execution fails
     */
    protected void executePython() {
        final List<String> cmdList = new ArrayList<>();
        final ServletContext servletContext = ComponentUtil.getComponent(ServletContext.class);
        final ProcessHelper processHelper = ComponentUtil.getProcessHelper();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();