Re: RFR for JDK-8025198 Intermittent test failure: java/util/concurrent/ThreadPoolExecutor/ThrowingTasks.java

Fri, 01 Nov 2013 18:51:33 -0700

This only happened when I tried a 1000 times loop run, see the jstack out put below: 
Also by using jmap/jhat, below values help me find the reason
        flakes.size() = 25
        allStarted.state = 1
        beforeExecuteCount.count = 1

Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.0-b56 mixed mode):
"Attach Listener" #32 daemon prio=9 os_prio=31 tid=0x00007faf1d808000 nid=0x390b waiting on condition [0x0000000000000000] 
   java.lang.Thread.State: RUNNABLE
"Thread-22" #31 prio=5 os_prio=31 tid=0x00007faf1d07b000 nid=0x5d0b waiting on condition [0x000000019b530000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e9610> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks$CheckingExecutor.beforeExecute(ThrowingTasks.java:168)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1139) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:744)
"Thread-21" #30 prio=5 os_prio=31 tid=0x00007faf1d80c800 nid=0x5507 waiting on condition [0x000000019ae1b000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e9610> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks$CheckingExecutor.beforeExecute(ThrowingTasks.java:168)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1139) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:744)
"Thread-20" #29 prio=5 os_prio=31 tid=0x00007faf1c10b000 nid=0x6307 waiting on condition [0x000000019b227000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e9610> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks$CheckingExecutor.beforeExecute(ThrowingTasks.java:168)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1139) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:744)
"Thread-18" #27 prio=5 os_prio=31 tid=0x00007faf1c10a000 nid=0x6107 waiting on condition [0x000000019b42d000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e9610> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks$CheckingExecutor.beforeExecute(ThrowingTasks.java:168)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1139) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:744)
"Thread-14" #23 prio=5 os_prio=31 tid=0x00007faf1d80c000 nid=0x500b waiting on condition [0x000000019ad18000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e9610> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks$CheckingExecutor.beforeExecute(ThrowingTasks.java:168)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1139) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:744)
"Thread-13" #22 prio=5 os_prio=31 tid=0x00007faf1c108800 nid=0x5f03 waiting on condition [0x000000019b32a000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e9610> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks$CheckingExecutor.beforeExecute(ThrowingTasks.java:168)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1139) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:744)
"Thread-12" #21 prio=5 os_prio=31 tid=0x00007faf1d80b000 nid=0x540b waiting on condition [0x000000019ab12000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e9610> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks$CheckingExecutor.beforeExecute(ThrowingTasks.java:168)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1139) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:744)
"Thread-10" #19 prio=5 os_prio=31 tid=0x00007faf1d80a800 nid=0x5107 waiting on condition [0x000000019af1e000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e9610> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks$CheckingExecutor.beforeExecute(ThrowingTasks.java:168)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1139) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:744)
"Thread-6" #14 prio=5 os_prio=31 tid=0x00007faf1d809800 nid=0x5807 waiting on condition [0x000000019ac15000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e9610> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks$CheckingExecutor.beforeExecute(ThrowingTasks.java:168)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1139) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:744)
"Thread-8" #16 prio=5 os_prio=31 tid=0x00007faf1d809000 nid=0x5b03 waiting on condition [0x000000019b124000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e9610> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks$CheckingExecutor.beforeExecute(ThrowingTasks.java:168)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1139) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:744)
"Service Thread" #8 daemon prio=9 os_prio=31 tid=0x00007faf1c837000 nid=0x4b03 runnable [0x0000000000000000] 
   java.lang.Thread.State: RUNNABLE
"C1 CompilerThread2" #7 daemon prio=9 os_prio=31 tid=0x00007faf1c816000 nid=0x4903 waiting on condition [0x0000000000000000] 
   java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" #6 daemon prio=9 os_prio=31 tid=0x00007faf1c809800 nid=0x4703 waiting on condition [0x0000000000000000] 
   java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" #5 daemon prio=9 os_prio=31 tid=0x00007faf1c818000 nid=0x4503 waiting on condition [0x0000000000000000] 
   java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" #4 daemon prio=9 os_prio=31 tid=0x00007faf1c078800 nid=0x4303 runnable [0x0000000000000000] 
   java.lang.Thread.State: RUNNABLE
"Finalizer" #3 daemon prio=8 os_prio=31 tid=0x00007faf1c811000 nid=0x2d03 in Object.wait() [0x00000001999be000] 
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x0000000168286218> (a java.lang.ref.ReferenceQueue$Lock)
    at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:142)
    - locked <0x0000000168286218> (a java.lang.ref.ReferenceQueue$Lock)
    at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:158)
    at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:189)
"Reference Handler" #2 daemon prio=10 os_prio=31 tid=0x00007faf1c810800 nid=0x2b03 in Object.wait() [0x00000001998bb000] 
   java.lang.Thread.State: WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    - waiting on <0x0000000168285c88> (a java.lang.ref.Reference$Lock)
    at java.lang.Object.wait(Object.java:502)
    at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)
    - locked <0x0000000168285c88> (a java.lang.ref.Reference$Lock)
"main" #1 prio=5 os_prio=31 tid=0x00007faf1c800000 nid=0x1b03 waiting on condition [0x000000010386e000] 
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000001683e95e0> (a java.util.concurrent.CountDownLatch$Sync) 
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304) 
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
    at ThrowingTasks.realMain(ThrowingTasks.java:207)
    at ThrowingTasks.main(ThrowingTasks.java:267)

"VM Thread" os_prio=31 tid=0x00007faf1c066000 nid=0x2903 runnable
"GC task thread#0 (ParallelGC)" os_prio=31 tid=0x00007faf1c80d000 nid=0x2103 runnable
"GC task thread#1 (ParallelGC)" os_prio=31 tid=0x00007faf1c012000 nid=0x2303 runnable
"GC task thread#2 (ParallelGC)" os_prio=31 tid=0x00007faf1c80e000 nid=0x2503 runnable
"GC task thread#3 (ParallelGC)" os_prio=31 tid=0x00007faf1c013000 nid=0x2703 runnable
"VM Periodic Task Thread" os_prio=31 tid=0x00007faf1c06c800 nid=0x4d03 waiting on condition 

JNI global references: 7

On 02/11/2013 04:01, Martin Buchholz wrote:



Including a jstack output extract might be useful for diagnosis.
I have never seen this test fail. Is there a hint that might allow me to reproduce it?

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