[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=13490536#comment-13490536 ] 

Scott Marlow commented on WFLY-9516:
------------------------------------

>From jpa 2.1 spec, I think that it is correct to make subdeployment level persistence units available to other sub/top level deployments:
{code}
8.2.2 Persistence Unit Scope

An EJB-JAR, WAR, application client jar, or EAR can define a persistence unit.
When referencing a persistence unit using the unitName annotation element or persistence-unit-name deployment descriptor element, the visibility scope of the persistence unit is determined by its point of definition:
* A persistence unit that is defined at the level of an EJB-JAR, WAR, or application client jar is scoped to that EJB-JAR, WAR, or application jar respectively and is visible to the components defined in that jar or war.
* A persistence unit that is defined at the level of the EAR is generally visible to all components in the application. However, if a persistence unit of the same name is defined by an EJB-JAR, WAR, or application jar file within the EAR, the persistence unit of that name defined at EAR level will not be visible to the components defined by that EJB-JAR, WAR, or application jar file unless the persistence unit reference uses the persistence unit name # syntax to specify a path name to disambiguate the reference. When the # syntax is used, the path name is relative to the referencing application component jar file. For example, the syntax ../lib/persistenceUnitRoot.jar#myPersistenceUnit refers to a persistence unit whose name, as specified in the name element of the persistence.xml file, is myPersistenceUnit and for which the relative path name of the root of the persistence unit is ../lib/persistenceUnitRoot.jar. The # syntax may be used with both the unitName annotation element or persistence-unit-name deployment descriptor element to reference a persistence unit defined at EAR level.
{code}



> 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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