incomplete package definition

Hi, 

When the method "createExtent" is invoke, following message will appear, what does it mean? 

Thanks in advance

Fu, Bin


 
Log: 1 msg: new package: .:000000000000137C, metapackage: .:000000000000137B
Log: 1 msg: new package: .:0000000000001381, metapackage: .:0000000000000DD4
Log: 1 msg: new package: .:0000000000001386, metapackage: .:0000000000000DFE
Log: 1 msg: new package: .:0000000000001391, metapackage: .:00000000000010C7
Log: 1 msg: new package: .:0000000000001399, metapackage: .:00000000000010E5
Log: 1 msg: new package: .:00000000000013A6, metapackage: .:00000000000010AE
Log: 1 msg: new package: .:00000000000013F6, metapackage: .:0000000000000B9F
Exception: org.netbeans.api.mdr.CreationFailedException
Cannot instantiate package because of unexpected exception: org.netbeans.mdr.util.DebugException: Package definition is incomplete: class MultiplicityElement super = MofClass$Impl  ID: .:0000000000000C5A  MID: .:00000000000001F8  OPCKG: .:0000000000000B1A
org.netbeans.api.mdr.CreationFailedException: Cannot instantiate package because of unexpected exception: org.netbeans.mdr.util.DebugException: Package definition is incomplete: class MultiplicityElement super = MofClass$Impl  ID: .:0000000000000C5A  MID: .:00000000000001F8  OPCKG: .:0000000000000B1A
        at org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:389)
        at org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:242)
        at org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:230)
        at com.gentleware.mdr.Uml2RepositoryCreator.createM1Package(Uml2RepositoryCreator.java:132)
        at com.gentleware.mdr.Uml2RepositoryCreator.refreshMetamodelInstance(Uml2RepositoryCreator.java:69)
        at com.gentleware.uml2.Uml2Project.iniRepository(Uml2Project.java:34)
        at com.gentleware.uml2.Uml2Project.<init>(Uml2Project.java:26)
        at com.gentleware.uml2.model.PoseidonUml2Connector.getCommandDiSmFactoryUml2(PoseidonUml2Connector.java:22)
        at com.gentleware.uml2.plugin.Uml20Install.initStuff(Uml20Install.java:112)
        at com.gentleware.uml2.plugin.Uml20Install.access$000(Uml20Install.java:50)
        at com.gentleware.uml2.plugin.Uml20Install$MyActionListener.actionPerformed(Uml20Install.java:219)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1786)
        at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1839)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:245)
        at java.awt.Component.processMouseEvent(Component.java:5100)
        at java.awt.Component.processEvent(Component.java:4897)
        at java.awt.Container.processEvent(Container.java:1569)
        at java.awt.Component.dispatchEventImpl(Component.java:3615)
        at java.awt.Container.dispatchEventImpl(Container.java:1627)
        at java.awt.Component.dispatchEvent(Component.java:3477)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3198)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
        at java.awt.Container.dispatchEventImpl(Container.java:1613)
        at java.awt.Window.dispatchEventImpl(Window.java:1606)
        at java.awt.Component.dispatchEvent(Component.java:3477)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)