Full thread dump

"HttpClient-1-SelectorManager@1929" daemon prio=5 tid=0x14 nid=NA runnable
  java.lang.Thread.State: RUNNABLE
	  at sun.nio.ch.KQueue.poll(KQueue.java:-1)
	  at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:122)
	  at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:129)
	  - locked <0xb33> (a sun.nio.ch.KQueueSelectorImpl)
	  - locked <0xb34> (a sun.nio.ch.Util$2)
	  at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:141)
	  at jdk.internal.net.http.HttpClientImpl$SelectorManager.run(HttpClientImpl.java:889)

"main@1" prio=5 tid=0x1 nid=NA waiting
  java.lang.Thread.State: WAITING
	  at jdk.internal.misc.Unsafe.park(Unsafe.java:-1)
	  at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:252)
	  at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:717)
	  at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1074)
	  at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:276)
	  at HttpClientIssue.main(HttpClientIssue.java:187)

"Common-Cleaner@2864" daemon prio=8 tid=0xc nid=NA waiting
  java.lang.Thread.State: WAITING
	  at java.lang.Object.wait(Object.java:-1)
	  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
	  at jdk.internal.ref.CleanerImpl.run(CleanerImpl.java:140)
	  at java.lang.Thread.run(Thread.java:833)
	  at jdk.internal.misc.InnocuousThread.run(InnocuousThread.java:162)

"Thread-0@699" prio=5 tid=0x11 nid=NA sleeping
  java.lang.Thread.State: TIMED_WAITING
	  at java.lang.Thread.sleep(Thread.java:-1)
	  at HttpClientIssue$LongRunningApp.run(HttpClientIssue.java:52)
	  at java.lang.Thread.run(Thread.java:833)

"Reference Handler@2861" daemon prio=10 tid=0x2 nid=NA runnable
  java.lang.Thread.State: RUNNABLE
	  at java.lang.ref.Reference.waitForReferencePendingList(Reference.java:-1)
	  at java.lang.ref.Reference.processPendingReferences(Reference.java:253)
	  at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:215)

"Finalizer@2862" daemon prio=8 tid=0x3 nid=NA waiting
  java.lang.Thread.State: WAITING
	  at java.lang.Object.wait(Object.java:-1)
	  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
	  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:176)
	  at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:172)

"Signal Dispatcher@2863" daemon prio=9 tid=0x4 nid=NA runnable
  java.lang.Thread.State: RUNNABLE

"Notification Thread@663" daemon prio=9 tid=0x10 nid=NA runnable
  java.lang.Thread.State: RUNNABLE