[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-6829) PooledLoOptimizer.generate() should be synchronized

[Oskar Berggren (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-6829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44441#comment-44441 ] 

Oskar Berggren commented on HHH-6829:
-------------------------------------

Duplicate of HHH-5929.

> PooledLoOptimizer.generate() should be synchronized
> ---------------------------------------------------
>
>                 Key: HHH-6829
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6829
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.6.8
>            Reporter: Manuel Dominguez Sarmiento
>            Priority: Critical
>   Original Estimate: 0.25h
>  Remaining Estimate: 0.25h
>
> We recently switched to this ID generation optimizer in our highly concurrent production platform, and began getting random id / PK collision errors very often.
> Checking the code, it's pretty obvious that the problem lies with generate() not being synchronized. All other optimizers (PooledOptimizer, LegacyHiLoAlgorithmOptimizer, HiLoOptimizer, etc.) are synchronized - PooledLoOptimizer should be as well.

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