[infinispan-issues] [JBoss JIRA] (ISPN-9844) DistSyncStoreNotSharedTest.clearContent sometimes hangs

[Tristan Tarrant (Jira)]

     [ https://issues.jboss.org/browse/ISPN-9844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tristan Tarrant updated ISPN-9844:
----------------------------------
    Fix Version/s: 10.0.0.Beta1
                       (was: 10.0.0.Alpha3)


> DistSyncStoreNotSharedTest.clearContent sometimes hangs
> -------------------------------------------------------
>
>                 Key: ISPN-9844
>                 URL: https://issues.jboss.org/browse/ISPN-9844
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Test Suite - Core
>    Affects Versions: 10.0.0.Alpha2
>            Reporter: Dan Berindei
>            Assignee: Ryan Emerson
>            Priority: Major
>              Labels: testsuite_stability
>             Fix For: 10.0.0.Beta1
>
>         Attachments: DistSyncStoreNotSharedTest_20181221.tar.xz, threaddump-org_infinispan_distribution_DistSyncStoreNotSharedTest_clearContent-2018-12-19-7142.log.xz
>
>
> The main test thread is waiting to acquire the write lock of {{storesMutex}}, and a transport thread is waiting for a publisher to give it the keys of stale segments. There's no thread with a {{storesMutex}} read lock acquisition in the stack (although one thread is trying to acquire the read lock), so either we leak a read lock or we hold the read lock for longer than necessary:
> {noformat}
> "testng-DistSyncStoreNotSharedTest" #15 prio=5 os_prio=0 tid=0x00007fd0bce84800 nid=0x1c42 waiting on condition [0x00007fd0888aa000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000dc2a5578> (a java.util.concurrent.Semaphore$NonfairSync)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireShared(AbstractQueuedSynchronizer.java:967)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(AbstractQueuedSynchronizer.java:1283)
> 	at java.util.concurrent.Semaphore.acquireUninterruptibly(Semaphore.java:494)
> 	at org.infinispan.persistence.manager.PersistenceManagerImpl.stop(PersistenceManagerImpl.java:215)
> "transport-thread-DistSyncStoreNotSharedTest-NodeB-p12241-t1" #46086 daemon prio=5 os_prio=0 tid=0x00007fd09406f800 nid=0x5ee8 waiting on condition [0x00007fd05ce9e000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000dc2a4df8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> 	at io.reactivex.internal.operators.flowable.BlockingFlowableIterable$BlockingFlowableIterator.hasNext(BlockingFlowableIterable.java:94)
> 	at io.reactivex.Flowable.blockingForEach(Flowable.java:5509)
> 	at org.infinispan.statetransfer.StateConsumerImpl.removeStaleData(StateConsumerImpl.java:993)
> 	at org.infinispan.statetransfer.StateConsumerImpl.onTopologyUpdate(StateConsumerImpl.java:441)
> "persistence-thread-DistSyncStoreNotSharedTest-NodeB-p12255-t1" #46212 daemon prio=5 os_prio=0 tid=0x00007fd09420a000 nid=0x5f66 waiting on condition [0x00007fd044a89000]
>    java.lang.Thread.State: WAITING (parking)
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for  <0x00000000dc2a4870> (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireShared(AbstractQueuedSynchronizer.java:967)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(AbstractQueuedSynchronizer.java:1283)
> 	at java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.lock(ReentrantReadWriteLock.java:727)
> 	at org.infinispan.persistence.manager.PersistenceManagerImpl.pollStoreAvailability(PersistenceManagerImpl.java:189)
> {noformat}



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