[OAK-5115] IndexCopier#cowCopyDoneOnCloseExceptionHandling test hangs intermittently

• Type: Test
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.5.14, 1.6.0
• Component/s: lucene
• Assignee: Chetan Mehrotra
• Reporter: Chetan Mehrotra
• Created: 16/Nov/16 08:43
• Updated: 06/Dec/16 10:37
• Resolved: 16/Nov/16 08:46

Description

Seen the IndexCopier#cowCopyDoneOnCloseExceptionHandling test hang

"main" #1 prio=5 os_prio=0 tid=0x00007f4f9000a000 nid=0x5504 waiting on condition [0x00007f4f988bf000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ff1f24a0> (a java.util.concurrent.FutureTask)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:429)
	at java.util.concurrent.FutureTask.get(FutureTask.java:191)
	at org.apache.jackrabbit.oak.plugins.index.lucene.IndexCopierTest.cowCopyDoneOnCloseExceptionHandling(IndexCopierTest.java:871)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

"pool-91-thread-2" #256 prio=5 os_prio=0 tid=0x00007f4f90eb2800 nid=0x5637 waiting on condition [0x00007f4f782d9000]
   java.lang.Thread.State: TIMED_WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000ff1881a0> (a java.util.concurrent.CountDownLatch$Sync)
	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1328)
	at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:277)
	at org.apache.jackrabbit.oak.plugins.index.lucene.directory.CopyOnWriteDirectory.close(CopyOnWriteDirectory.java:221)
	at org.apache.jackrabbit.oak.plugins.index.lucene.IndexCopierTest$11.call(IndexCopierTest.java:859)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$W