[jbosscache-issues] [JBoss JIRA] (JBCACHE-1620) Race condition when automatically creating parent nodes during locking fails to get lock

[Radoslav Husar (JIRA)]

     [ https://issues.jboss.org/browse/JBCACHE-1620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radoslav Husar closed JBCACHE-1620.
-----------------------------------



Verified, closing.
                
> Race condition when automatically creating parent nodes during locking fails to get lock
> ----------------------------------------------------------------------------------------
>
>                 Key: JBCACHE-1620
>                 URL: https://issues.jboss.org/browse/JBCACHE-1620
>             Project: JBoss Cache
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Locking
>    Affects Versions: 3.2.9.GA
>            Reporter: Dennis Reed
>            Assignee: Dennis Reed
>         Attachments: JBCACHE-1620-test.zip
>
>
> Bug/race condition in PessimisticUnversionedNode#addChildAndAcquireLock.
> If two threads try to create the same node at the exact same time, one thread creates it and gets a write lock.  
> The other thread does not create a node, but returns the previously created node and does not lock it.
> The only caller PessimisticNodeBasedLockManager assumes the node was both created and locked after the call returns.

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