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Type:
Bug
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Status: Open
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Priority:
Major
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Resolution: Unresolved
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Affects Version/s: 2.2.2
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Fix Version/s: None
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Component/s: Enhance
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Labels:None
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Environment:Windows 7
JDK 1.7
Maven 3.0.5
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>