}
        };
    TestCustomScheduler scheduler = new TestCustomScheduler();
    Cancellable future = scheduler.schedule(null, newScheduledThreadPool(10), task);
    firstBarrier.await();
    assertEquals(1, scheduler.scheduleCounter.get());
    secondBarrier.await();
    firstBarrier.await();
    assertEquals(2, scheduler.scheduleCounter.get());
    shouldWait.set(false);
    secondBarrier.await();

          }
        };
    TestCustomScheduler scheduler = new TestCustomScheduler();
    Cancellable future = scheduler.schedule(null, newScheduledThreadPool(10), task);
    firstBarrier.await();
    assertEquals(1, scheduler.scheduleCounter.get());
    secondBarrier.await();
    firstBarrier.await();
    assertEquals(2, scheduler.scheduleCounter.get());
    shouldWait.set(false);
    secondBarrier.await();

    }

    /**
     * Retrieves scheduler settings with pagination.
     *
     * @param body the search parameters for filtering and pagination
     * @return JSON response containing scheduler settings list
     */
    // GET /api/admin/scheduler
    // PUT /api/admin/scheduler
    @Execute
    public JsonResponse<ApiResult> settings(final SearchBody body) {

      private ScheduledFuture<@Nullable Void> submitToExecutor(Schedule schedule) {
        return executor.schedule(this, schedule.delay, schedule.unit);
      }
    }

    /**
     * Contains the most recently submitted {@code Future}, which may be cancelled or updated,
     * always under a lock.
     */
    private static final class SupplantableFuture implements Cancellable {
      private final ReentrantLock lock;

        while (count < 1500 && !isRunning) {
            ThreadUtil.sleep(sleepTime);
            count++;
            final Map<String, Object> scheduler = getSchedulerItem(namePrefix);
            assertTrue(scheduler.containsKey("running"));
            isRunning = (Boolean) scheduler.get("running");

            // Exponential backoff: gradually increase sleep time up to 300ms
            if (count % 5 == 0 && sleepTime < 300) {

import jakarta.annotation.Resource;

/**
 * Admin action for Scheduler management.
 *
 */
public class AdminSchedulerAction extends FessAdminAction {

    /**
     * Default constructor.
     */
    public AdminSchedulerAction() {
        super();
    }

    /** Role name for admin scheduler operations */
    public static final String ROLE = "admin-scheduler";

    /** The path of the HTML: /admin/scheduler/admin_scheduler.jsp */
    HtmlNext path_AdminScheduler_AdminSchedulerJsp = new HtmlNext("/admin/scheduler/admin_scheduler.jsp");

    /** The path of the HTML: /admin/scheduler/admin_scheduler_details.jsp */
    HtmlNext path_AdminScheduler_AdminSchedulerDetailsJsp = new HtmlNext("/admin/scheduler/admin_scheduler_details.jsp");

        this.asyncNotifyTasks = new ConcurrentHashMap<>();
        this.scheduler = Executors.newScheduledThreadPool(3); // Increased for async notifications
        this.rpcClient = rpcClient;

        // Schedule periodic tasks
        schedulePeriodicTasks();
    }

    /**
     * Schedules periodic tasks for heartbeat and registration monitoring.
     */

                                </la:link></c:if>
                                <c:if test="${fe:permission('admin-scheduler')}">
                                    <la:link styleClass="btn btn-success"
                                             href="/admin/scheduler/createnewjob/file_crawling/${f:u(id)}/${fe:base64(name)}">
                                        <i class="fa fa-plus-circle" aria-hidden="true"></i>

						</a>
					</li>
					</c:if>
					<c:if test="${fe:permission('admin-scheduler-view')}">
					<li class="nav-item">
						<a href="${fe:url('/admin/scheduler/')}" class="nav-link <c:if test="${param.menuType=='scheduler'}">active</c:if>" <c:if test="${param.menuType=='scheduler'}">aria-current="page"</c:if>>
							<i class='fa fa-clock nav-icon' aria-hidden="true"></i>