* such as crawler processes, with proper resource cleanup and lifecycle management.
 */
public class ProcessHelper {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(ProcessHelper.class);

    /** Map of running processes indexed by session ID */

     */
    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();

        if (StringUtil.isBlank(filename)) {

        final String cpSeparator = SystemUtils.IS_OS_WINDOWS ? ";" : ":";
        final ServletContext servletContext = ComponentUtil.getComponent(ServletContext.class);
        final ProcessHelper processHelper = ComponentUtil.getProcessHelper();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        cmdList.add(fessConfig.getJavaCommandPath());

        // -cp
        cmdList.add("-cp");

        final String cpSeparator = SystemUtils.IS_OS_WINDOWS ? ";" : ":";
        final ServletContext servletContext = ComponentUtil.getComponent(ServletContext.class);
        final ProcessHelper processHelper = ComponentUtil.getProcessHelper();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        cmdList.add(fessConfig.getJavaCommandPath());

        // -cp
        cmdList.add("-cp");

    @Resource
    private CrawlingInfoService crawlingInfoService;
    @Resource
    private CrawlingInfoPager crawlingInfoPager;
    /** The process helper. */
    @Resource
    protected ProcessHelper processHelper;

    // ===================================================================================
    //                                                                               Hook

    @Resource
    private CrawlingInfoService crawlingInfoService;

    /** Helper for managing crawling processes and session information */
    @Resource
    protected ProcessHelper processHelper;

    // ===================================================================================
    //                                                                      Search Execute

    @Resource
    private FailureUrlService failureUrlService;
    @Resource
    private FailureUrlPager failureUrlPager;
    /** Helper for managing crawler processes */
    @Resource
    protected ProcessHelper processHelper;

    // ===================================================================================
    //                                                                      Search Execute

    /** Service for managing file crawler configurations */
    @Resource
    protected FileConfigService fileConfigService;

    /** Helper for managing crawler processes */
    @Resource
    protected ProcessHelper processHelper;

    /** Service for managing scheduled jobs */
    @Resource
    protected ScheduledJobService scheduledJobService;

    // ===================================================================================

        final ServletContext servletContext = ComponentUtil.getComponent(ServletContext.class);
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final ProcessHelper processHelper = ComponentUtil.getProcessHelper();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        cmdList.add(fessConfig.getJavaCommandPath());

        // -cp
        cmdList.add("-cp");

    /** Pager for paginating scheduled job results */
    @Resource
    private SchedulerPager schedulerPager;
    /** Helper for processing scheduled jobs. */
    @Resource
    protected ProcessHelper processHelper;

    // ===================================================================================
    //                                                                               Hook