Sebastian Laag created OPENJPA-2424:
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Summary: Classes are enhanced multiple times in a multi
persistence-unit project
Key: OPENJPA-2424
URL: https://issues.apache.org/jira/browse/OPENJPA-2424
Project: OpenJPA
Issue Type: Bug
Components: Enhance
Affects Versions: 2.2.2
Environment: Windows 7
JDK 1.7
Maven 3.0.5
Reporter: Sebastian Laag
We use the above environment to build our project. We use the
openjpa-maven-plugin for the enhancement of the JPA classes. The
persistence.xml configures 4 persistence-units for different database
connections. Every persistence-unit defines own classes and uses the
exclude-unlisted-classes Tag, because we only want every class to be enhanced
only once.
Now if we execute mvn install every defined class will be enhanced 4 times. The
persistence.xml looks like this.
<persistence xmlns="http://java.sun.com/xml/ns/persistence";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd";
version="2.0">
<persistence-unit name="db1">
<class>ClassA</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
...some properties for the connection...
</properties>
</persistence-unit>
<persistence-unit name="db2">
<class>ClassB</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
...some properties for the connection...
</properties>
</persistence-unit>
<persistence-unit name="db3">
<class>ClassC</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
...some properties for the connection...
</properties>
</persistence-unit>
<persistence-unit name="db4">
<class>ClassD</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
...some properties for the connection...
</properties>
</persistence-unit>
</persistence>
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