[infinispan-issues] [JBoss JIRA] (ISPN-2466) Repeated unlocking causes errors with reference counting

[Manik Surtani (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-2466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manik Surtani updated ISPN-2466:
--------------------------------

    Summary: Repeated unlocking causes errors with reference counting  (was: Unlock called twice doesn't behave correctly)

    
> Repeated unlocking causes errors with reference counting
> --------------------------------------------------------
>
>                 Key: ISPN-2466
>                 URL: https://issues.jboss.org/browse/ISPN-2466
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Locking and Concurrency
>    Affects Versions: 5.2.0.Beta3
>            Reporter: Mircea Markus
>            Assignee: Manik Surtani
>            Priority: Critical
>             Fix For: 5.2.0.CR1
>
>
> Taken from ISPN-2458:
> {quote}
> When the lock is acquired after the first unlock, the second unlock fails with an {{IllegalMonitorStateException}} in {{OwnableReentrantLock.tryAcquire(...)}}, but the reference count is still decremented in {{AbstractPerEntryLockContainer.releaseLock(...)}}. This results in further {{IllegalStateException: Negative reference count for lock}}.
> {quote}
> If the ISE occurs, the lock counter should not be affected.

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