FAQ
Exception when importing an EOModel with single table inheritance
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Key: CAY-764
URL: https://issues.apache.org/cayenne/browse/CAY-764
Project: Cayenne
Issue Type: Bug
Components: CayenneModeler GUI
Affects Versions: 2.0 [STABLE]
Reporter: Simon
Assigned To: Andrus Adamchik


I'm trying to import an EOModel with cayenne Modeler and i'm getting the exception pasted below. ABSTRACT_FOP is a table that has a super entity and 2 sub entities mapped to it.

Is it not possible to import an EOModel that has single-table inheritance ?

Thanks, Simon


CayenneModeler Info
Version: 2.0.2
Build Date: January 14 2007
Exception:
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org.apache.cayenne.CayenneRuntimeException: [v.2.0.2 January 14 2007] One and only one entity should be mapped to ABSTRACT_FOP. Instead found : 3
at org.apache.cayenne.wocompat.EOModelProcessor.makeFlatRelationships(EOModelProcessor.java:661)
at org.apache.cayenne.wocompat.EOModelProcessor.loadEOModel(EOModelProcessor.java:171)
at org.apache.cayenne.wocompat.EOModelProcessor.loadEOModel(EOModelProcessor.java:117)
at org.apache.cayenne.modeler.action.ImportEOModelAction.importEOModel(ImportEOModelAction.java:125)
at org.apache.cayenne.modeler.action.ImportEOModelAction.performAction(ImportEOModelAction.java:89)
at org.apache.cayenne.modeler.util.CayenneAction.actionPerformed(CayenneAction.java:163)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1882)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2202)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.AbstractButton.doClick(AbstractButton.java:334)
at apple.laf.ScreenMenuItem.actionPerformed(ScreenMenuItem.java:104)
at java.awt.MenuItem.processActionEvent(MenuItem.java:597)
at java.awt.MenuItem.processEvent(MenuItem.java:556)
at java.awt.MenuComponent.dispatchEventImpl(MenuComponent.java:298)
at java.awt.MenuComponent.dispatchEvent(MenuComponent.java:286)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:466)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)



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