[jboss-jira] [JBoss JIRA] (WFLY-6127) Throw IllegalStateException if JTA tx has an unsynchronized persistence context and the target is synchronized persistence context

[Scott Marlow (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-6127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159443#comment-13159443 ] 

Scott Marlow commented on WFLY-6127:
------------------------------------

I pushed a better version of the fix to https://github.com/scottmarlow/wildfly/tree/WFLY-6127 and squashed the commits (so previous concern mentioned about the downside is address).  With the new change, we only introduce a little more overhead for unsynchronized persistence contexts.  

> Throw IllegalStateException if JTA tx has an unsynchronized persistence context and the target is synchronized persistence context
> ----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: WFLY-6127
>                 URL: https://issues.jboss.org/browse/WFLY-6127
>             Project: WildFly
>          Issue Type: Bug
>          Components: JPA / Hibernate
>    Affects Versions: 9.0.2.Final
>            Reporter: Mazen Mahmoud
>            Assignee: Scott Marlow
>            Priority: Minor
>             Fix For: 10.1.0.Final
>
>         Attachments: server-log.txt
>
>
> SPEC: If a component is called and the JTA transaction is propagated into that component:
> If there is a persistence context of type SynchronizationType.UNSYNCHRONIZED
> associated with the JTA transaction and the target component specifies a persistence context of type SynchronizationType.SYNCHRONIZED, the IllegalStateException is thrown by the container
> We have a stateful session bean (SFB1) / PC: TRANSACTION/UNSYNCHRONIZED)
> stateful session bean (SFB2) / PC: TRANSACTION/SYNCHRONIZED)
> SFB1 method M1 (REQUIRED) calls SFB2 Method 2 (REQUIRED):
> PC is propagated from SFB1 to SFB2 without any exception.



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