Virtual Thread not perform right when use with Disruptor workPool in openjdk19

[地上的月影]

Hi All
    I'm one of openjdk user and these days I tried to use the preview feature Virtual Thread with Disruptor. when use ThreadFactory in Disruptor workerPool, somingthing seems wrong that when I used Thread.ofVirtual().start. the new created virtualThread seems don't start? it don't print hello world, I'm not sure whether it's a bug or I use it wrong, here are my core test code



    public void test2() throws InterruptedException {

        System.out.println( "Start Test!" );

        RingBuffer<Order> ringBuffer = RingBuffer.create(ProducerType.MULTI, new EventFactory<Order>() {

            @Override

            public Order newInstance() {

                return new Order();

            }   

        }, 1024 * 1024, new YieldingWaitStrategy());

        SequenceBarrier barrier = ringBuffer.newBarrier();

        Consumer[] consumers=  new Consumer[10];

        for (int i = 0; i < consumers.length; i++) {

            consumers[i] = new Consumer("C"+i);

        }   




        WorkerPool<Order> workerPool = new WorkerPool<>(ringBuffer, barrier, new EventExceptionHandle(), consumers);

        ringBuffer.addGatingSequences(workerPool.getWorkerSequences());

        ThreadFactory factory_v = Thread.ofVirtual().factory();

        ExecutorService pool = Executors.newFixedThreadPool(10, factory_v);

        workerPool.start(pool);




        // don't print hello world?

        Thread thd = Thread.ofVirtual().start(() -> System.out.println("Hello world!"));

        Thread.sleep(5000);

        System.out.println("End Test!" );

    }     




looking forward to your answers.
best wishes！
-Anjian Wen
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