[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5872) Methos generate in org.hibernate.id.enhanced.OptimizerFactory$PooledLoOptimizer classs is not synchronized

[Oskar Berggren (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44442#comment-44442 ] 

Oskar Berggren commented on HHH-5872:
-------------------------------------

Duplicate of HHH-5929.

> Methos generate in  org.hibernate.id.enhanced.OptimizerFactory$PooledLoOptimizer classs is not synchronized
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HHH-5872
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5872
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.5.2, 3.5.3, 3.5.4, 3.6.0.Beta1, 3.6.0.Beta2, 3.5.5, 3.6.0.Beta3, 3.6.0.Beta4, 3.5.6, 3.6.0.CR1, 3.6.0.CR2, 3.6.0
>         Environment: Hibernate 3.5.6-Final, Oracle 11g, WebSphere 6.1 cluster
>            Reporter: Tchavdar Roussanov
>
> Receiving multiple primary key constraint violation exceptions when using SequenceStyleGenerator with optimizer parameter set to pooled-lo. Looking into the source code I found that the generate mathod for the new PooledLoOptimizer is not synchronized. After switching to PooledOptimizer (which has synchronized generate method) every thing works fine.

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