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From "Markus Wolf (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-78) Automatic runtime enhancement only works when the class is listed in the first persistence-unit
Date Thu, 10 May 2007 10:21:15 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-78?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12494694
] 

Markus Wolf commented on OPENJPA-78:
------------------------------------

This problem also occurs when enhancing classes at build-time.
The workaround here is listing all classes on the commandline (or from ant/maven) but this
is a duplication of the class list.

> Automatic runtime enhancement only works when the class is listed in the first persistence-unit
> -----------------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-78
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-78
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>            Reporter: Marc Prud'hommeaux
>            Priority: Minor
>             Fix For: 0.9.8
>
>
> When multiple persistence-units are defined in the persistence.xml, only the first one
is examined when looking for classes to enhance when using the automatic runtime enhancement
(e.g., using the "-javaagent:openjpa.jar" argument). So if the project uses the following
persistence.xml:
> <persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0">
>     <persistence-unit name="unit1" transaction-type="RESOURCE_LOCAL">
>         <class>unit1.SomeClass</class>
>     </persistence-unit>
>     <persistence-unit name="unit2" transaction-type="RESOURCE_LOCAL">
>         <class>unit2.SomeClass</class>
>     </persistence-unit>
> </persistence>
> In this example, when unit1.SomeClass is loaded, it will be enhanced, but unit2.SomeClass
won't ever be enhanced.
> The only workaround is to list all of your persistent classes in an initial entry in
the persistence-unit.

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