[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-7265) ConcurrentModificationException in SynchronizationRegistryImpl.notifySynchronizationsAfterTransactionCompletion due to SynchronizationRegistryImpl.clearSynchronizations clearing SynchronizationRegistryImpl.synchronizations

[Steve Ebersole (JIRA)]

    [ https://hibernate.onjira.com/browse/HHH-7265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46444#comment-46444 ] 

Steve Ebersole commented on HHH-7265:
-------------------------------------

{quote}
I couldn't find a way to enable session auto-close when the EntityManager is closed without adding a setter to SessionImplementor. Maybe I'm missing something here?
{quote}

Like I said in my email reply to your question about this, this would need to be delegated.  Its not as simple as an a priori boolean flag which is what Session understands today.  One way to pass this today would be via the properties that get passed to SessionImpl ctor.

Longer term I think we need a contract that defines the relationship to things that "own" a Session (EntityManager, AuditReader, etc).  One part of this would be the owner answering whether the Session should auto close itself.

> ConcurrentModificationException in SynchronizationRegistryImpl.notifySynchronizationsAfterTransactionCompletion due to SynchronizationRegistryImpl.clearSynchronizations clearing SynchronizationRegistryImpl.synchronizations
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HHH-7265
>                 URL: https://hibernate.onjira.com/browse/HHH-7265
>             Project: Hibernate ORM
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 4.1.2
>         Environment: AS7 7.1.1 
>            Reporter: Scott Marlow
>            Assignee: Gail Badner
>             Fix For: 4.1.3
>
>         Attachments: hibernatesearchsync.jpg
>
>
> forum post link here includes the AS7 test case and description https://community.jboss.org/thread/197649?start=0&tstart=0
> http://pastie.org/3819424 is the call stack showing SynchronizationRegistryImpl.notifySynchronizationsAfterTransactionCompletion looping on synchronization which is cleared mid-loop by SynchronizationRegistryImpl.clearSynchronizations

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