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Hello, I am having a JPA Diagram with couple of Entities. The following scenario is executed. 1. Change Entity attribute mapping from JPA Details 2. Double click the Entity in order to verify the change 3. Go back to the Diagram and change the Entity mapping Result: Error dialog appears and NPE is thrown: eclipse.buildId=I20100608-0911 java.version=1.6.0_16 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US Framework arguments: -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product Command-line arguments: -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product -data jpa2 -product org.eclipse.epp.package.jee.product Error Mon Aug 16 15:36:43 EEST 2010 refresh edit part problem java.lang.NullPointerException at org.eclipse.draw2d.Figure.add(Figure.java:148) at org.eclipse.draw2d.Figure.add(Figure.java:174) at org.eclipse.graphiti.ui.internal.parts.PictogramElementDelegate.createFigureForPictogramElement(PictogramElementDelegate.java:825) at org.eclipse.graphiti.ui.internal.parts.PictogramElementDelegate.createFigure(PictogramElementDelegate.java:183) at org.eclipse.graphiti.ui.internal.parts.ShapeEditPart.createFigure(ShapeEditPart.java:621) at org.eclipse.graphiti.ui.internal.parts.ContainerShapeEditPart.createFigure(ContainerShapeEditPart.java:97) at org.eclipse.gef.editparts.AbstractGraphicalEditPart.getFigure(AbstractGraphicalEditPart.java:494) at org.eclipse.gef.editparts.AbstractGraphicalEditPart.addChildVisual(AbstractGraphicalEditPart.java:208) at org.eclipse.graphiti.ui.internal.parts.ContainerShapeEditPart.addChildVisual(ContainerShapeEditPart.java:160) at org.eclipse.gef.editparts.AbstractEditPart.addChild(AbstractEditPart.java:210) at org.eclipse.gef.editparts.AbstractEditPart.refreshChildren(AbstractEditPart.java:771) at org.eclipse.graphiti.ui.internal.parts.ShapeEditPart.refreshChildren(ShapeEditPart.java:632) at org.eclipse.gef.editparts.AbstractEditPart.refresh(AbstractEditPart.java:718) at org.eclipse.gef.editparts.AbstractGraphicalEditPart.refresh(AbstractGraphicalEditPart.java:633) at org.eclipse.graphiti.ui.internal.parts.ShapeEditPart.deleteChildAndRefresh(ShapeEditPart.java:141) at org.eclipse.graphiti.ui.internal.parts.PictogramElementDelegate.refreshFigureForEditPart(PictogramElementDelegate.java:325) at org.eclipse.graphiti.ui.internal.parts.ShapeEditPart.refreshVisuals(ShapeEditPart.java:654) at org.eclipse.gef.editparts.AbstractEditPart.refresh(AbstractEditPart.java:717) at org.eclipse.gef.editparts.AbstractGraphicalEditPart.refresh(AbstractGraphicalEditPart.java:633) at org.eclipse.graphiti.ui.internal.parts.ShapeEditPart.refresh(ShapeEditPart.java:552) at org.eclipse.graphiti.ui.internal.editor.DiagramEditorInternal.internalRefreshEditPart(DiagramEditorInternal.java:1190) at org.eclipse.graphiti.ui.internal.editor.DiagramRefreshJob.runInUIThread(DiagramRefreshJob.java:103) at org.eclipse.graphiti.ui.internal.editor.DiagramChangeListener.resourceSetChanged(DiagramChangeListener.java:139) at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl$1.run(TransactionalEditingDomainImpl.java:781) at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.runExclusive(TransactionalEditingDomainImpl.java:328) at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.postcommit(TransactionalEditingDomainImpl.java:771) at org.eclipse.emf.transaction.impl.TransactionalEditingDomainImpl.deactivate(TransactionalEditingDomainImpl.java:543) at org.eclipse.emf.transaction.impl.TransactionImpl.close(TransactionImpl.java:712) at org.eclipse.emf.transaction.impl.TransactionImpl.commit(TransactionImpl.java:474) at org.eclipse.emf.workspace.AbstractEMFOperation.execute(AbstractEMFOperation.java:155) at org.eclipse.core.commands.operations.DefaultOperationHistory.execute(DefaultOperationHistory.java:511) at org.eclipse.emf.workspace.impl.WorkspaceCommandStackImpl.doExecute(WorkspaceCommandStackImpl.java:208) at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:165) at org.eclipse.graphiti.ui.internal.editor.GFWorkspaceCommandStackImpl.execute(GFWorkspaceCommandStackImpl.java:47) at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(AbstractTransactionalCommandStack.java:219) at org.eclipse.graphiti.ui.internal.editor.GFWorkspaceCommandStackImpl.execute(GFWorkspaceCommandStackImpl.java:39) at org.eclipse.jpt.ui.diagrameditor.util.GraphicsUpdater.updateHeader(GraphicsUpdater.java:192) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver$WorkingCopyChangeListener$1.run(JPASolver.java:990) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334) at org.eclipse.jpt.ui.diagrameditor.util.JPASolver.restoreEntity(JPASolver.java:956) at org.eclipse.jpt.ui.diagrameditor.provider.JPAEditorFeatureProvider.restoreEntity(JPAEditorFeatureProvider.java:467) at org.eclipse.jpt.ui.diagrameditor.util.JpaArtifactFactory.restoreEntityClass(JpaArtifactFactory.java:241) at org.eclipse.jpt.ui.diagrameditor.feature.RestoreEntityFeature.execute(RestoreEntityFeature.java:38) at org.eclipse.jpt.ui.diagrameditor.feature.RemoveJPAEntityFeature.preRemove(RemoveJPAEntityFeature.java:63) at org.eclipse.graphiti.features.impl.DefaultRemoveFeature.remove(DefaultRemoveFeature.java:73) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.exec(EntityChangeListener.java:135) at org.eclipse.jpt.ui.diagrameditor.util.EntityChangeListener$UpdateFromModel.run(EntityChangeListener.java:102) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4041) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3660) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2629) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2427) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:663) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574) at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
If Entity source is not opened, changing the mapping is successful, but Saving the diagram after that fails
I cannot reproduce with the latest successful build of the JPA Diagram Editor...
Actually, I see another problem here. When the mapping of an entity changes it should disappear from the diagram, because after the mapping change the java entity is entity no more and the diagram is supposed to visualize java entities only ...
*** This bug has been marked as a duplicate of bug 325793 ***
