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https://issues.apache.org/jira/browse/OPENJPA-1460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fay Wang updated OPENJPA-1460:
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Attachment: OPENJPA-1460.patch
> Fix scope visibility of orm.xml when it is packaged in both ear file and war
> file
> ---------------------------------------------------------------------------------
>
> Key: OPENJPA-1460
> URL: https://issues.apache.org/jira/browse/OPENJPA-1460
> Project: OpenJPA
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Fay Wang
> Assignee: Fay Wang
> Fix For: 2.0.0
>
> Attachments: OPENJPA-1460.patch
>
>
> Per JPA 2.0 spec, section 8.2.2:
> 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:
> (1) 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.
> (2) 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.
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