[JIRA] Created: (CAY-756) When clases are explicitly listed DataMap complains about duplicate entries

From: Dain Sundstrom (JIRA) ("Dain)
Date: Fri Feb 16 2007 - 19:59:49 EST

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When clases are explicitly listed DataMap complains about duplicate entries
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                 Key: CAY-756
                 URL: https://issues.apache.org/cayenne/browse/CAY-756
             Project: Cayenne
          Issue Type: Bug
          Components: Cayenne JPA
            Reporter: Dain Sundstrom
         Assigned To: Andrus Adamchik

The enhancer seems to need to have all classes explicitly listed in the persistence.xml file. I would expect the enhancer to enhance any class that has mapping metadata or if exclude-unlisted is false any class with..ntity annotation. Anyway, I listed my classes in the persistence unit, but then I get the following exception:

java.lang.IllegalArgumentException: An attempt to override entity 'Employee
        at org.apache.cayenne.map.DataMap.addObjEntity(DataMap.java:622)
        at org.apache.cayenne.jpa.bridge.DataMapConverter$JpaEntityVisitor.createObject(DataMapConverter.java:505)
        at org.apache.cayenne.jpa.bridge.DataMapConverter$NestedVisitor.onStartNode(DataMapConverter.java:690)
        at org.apache.cayenne.util.TraversalUtil.traverse(TraversalUtil.java:92)
        at org.apache.cayenne.util.TraversalUtil.traverse(TraversalUtil.java:113)
        at org.apache.cayenne.util.TraversalUtil.traverse(TraversalUtil.java:80)
        at org.apache.cayenne.jpa.bridge.DataMapConverter.toDataMap(DataMapConverter.java:93)
        at org.apache.cayenne.jpa.Provider.createContainerEntityManagerFactory(Provider.java:250)
        at org.apache.openejb.core.cmp.jpa.JpaTest.createEntityManagerFactory(JpaTest.java:201)
        at org.apache.openejb.core.cmp.jpa.JpaTest.testJta(JpaTest.java:125)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at com.intellij.rt.execution.junit2.JUnitStarter.main(JUnitStarter.java:32)

You can reproduce this with the openejb JpaTest; just change the provider at the top of the test to cayenne.

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