[jboss-jira] [JBoss JIRA] (WFLY-9516) JPA deployer adding cross sub deployment dependencies when multiple persistence units deployed

[Scott Marlow (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-9516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492988#comment-13492988 ] 

Scott Marlow commented on WFLY-9516:
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To summarize, we have a few different options, none of them allow all functionality, to work for all deployments.

# Introduce an additional JPA persistence unit hint to (one phase) start before the INSTALL phase.  List of things that should work: { JPA entity class rewriting/enhancing, lazy interaction with CDI beanmanager}.  List of things that won't work: { @DataSourceDefinition use in persistence unit}.  There could be other problems with starting a one phase persistence unit earlier than INSTALL phase.
# As mentioned in previous comment, introduce persistence unit hint that component dependencies should only be added for persistence units in the top level deployment and the respective sub deployment level.  Such, that components in sub deployment EJB1 couldn't depend on the EJB2 persistence unit and EJB2 couldn't depend on the EJB1 persistence unit.  List of things that should work: {two phase JPA bootstrap, CDI injection of (sub) PUs within respective sub deployment, CDI injection of (top level) PUs from any component, @DatasourceDefinition use, JPA entity class rewriting/enhancing, lazy interaction with CDI beanmanager}.  List of things that won't work: {sub deployment EJB1 components cannot inject persistence unit definied in sub deployment EJB2}


> JPA deployer adding cross sub deployment dependencies when multiple persistence units deployed
> ----------------------------------------------------------------------------------------------
>
>                 Key: WFLY-9516
>                 URL: https://issues.jboss.org/browse/WFLY-9516
>             Project: WildFly
>          Issue Type: Bug
>          Components: JPA / Hibernate
>    Affects Versions: 11.0.0.Final
>            Reporter: Brad Maxwell
>            Assignee: Scott Marlow
>
> If an ear contains two EJB sub deployments which each contain a Persistence Unit and a Stateless EJB which injects the PU that is in its jar using @PersistenceContext.  There is a dependency being added where in the Stateless EJB from one deployment depends on the PU from the other jar.  It appears this is happening after this bug fix WFLY-1531
> {code}
> app.ear
>  - ejb-with-pu1.jar
>  - ejb-with-pu2.jar
> {code}



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