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I have been working with a fairly complex class diagram for a while with some struggle but without any problems. A similar problem occurred when I tried to initialize a component diagram from the UML model, but I could still edit my class diagram. But now, after having quit Eclipse and started it again, the class diagram cannot be opened anymore but gives the error below. What steps will reproduce the problem? I really don't know. Sorry. I'm still on Galileo due to I am relying on a plugin that does not work on Helios yet. Best regards Jan Skarvall -- Error Details -- Date: Wed Nov 17 13:28:20 CET 2010 Message: Unable to create editor ID org.eclipse.uml2.diagram.clazz.part.UMLDiagramEditorID: Invalid side argument: 0. Should be the value from PositionConstants: WEST, EAST, NORTH or SOUTH Severity: Error Product: Eclipse Platform 3.3.202.v201002111343 (org.eclipse.platform.ide) Plugin: org.eclipse.ui Session Data: eclipse.buildId=M20100211-1343 java.version=1.6.0_18 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US Command-line arguments: -os linux -ws gtk -arch x86 Exception Stack Trace: java.lang.IllegalArgumentException: Invalid side argument: 0. Should be the value from PositionConstants: WEST, EAST, NORTH or SOUTH at org.eclipse.gmf.runtime.diagram.ui.figures.BorderItemLocator.calculateNextNonConflictingPosition(BorderItemLocator.java:447) at org.eclipse.gmf.runtime.diagram.ui.figures.BorderItemLocator.locateOnBorder(BorderItemLocator.java:394) at org.eclipse.gmf.runtime.diagram.ui.figures.BorderItemLocator.relocate(BorderItemLocator.java:550) at org.eclipse.draw2d.DelegatingLayout.layout(DelegatingLayout.java:75) at org.eclipse.draw2d.Figure$LayoutNotifier.layout(Figure.java:1974) at org.eclipse.draw2d.Figure.layout(Figure.java:1093) at org.eclipse.draw2d.Figure.validate(Figure.java:1894) at org.eclipse.gmf.runtime.diagram.ui.internal.figures.BorderItemContainerFigure.validate(BorderItemContainerFigure.java:340) at org.eclipse.draw2d.Figure.validate(Figure.java:1896) at org.eclipse.gmf.runtime.diagram.ui.figures.BorderedNodeFigure.validate(BorderedNodeFigure.java:262) at org.eclipse.draw2d.Figure.validate(Figure.java:1896) at org.eclipse.gmf.runtime.diagram.ui.figures.BorderItemsAwareFreeFormLayer.validate(BorderItemsAwareFreeFormLayer.java:183) at org.eclipse.gmf.runtime.diagram.ui.editparts.DiagramEditPart$1.validate(DiagramEditPart.java:157) at org.eclipse.draw2d.Figure.validate(Figure.java:1896) at org.eclipse.gmf.runtime.diagram.ui.figures.BorderItemsAwareFreeFormLayer.validate(BorderItemsAwareFreeFormLayer.java:183) at org.eclipse.draw2d.Figure.validate(Figure.java:1896) at org.eclipse.draw2d.Figure.validate(Figure.java:1896) at org.eclipse.draw2d.Figure.validate(Figure.java:1896) at org.eclipse.draw2d.Figure.validate(Figure.java:1896) at org.eclipse.draw2d.Viewport.validate(Viewport.java:380) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.initializeContents(DiagramEditor.java:1373) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.initializeGraphicalViewerContents(DiagramEditor.java:873) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.initializeGraphicalViewer(DiagramEditor.java:865) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditorWithFlyOutPalette.initializeGraphicalViewer(DiagramEditorWithFlyOutPalette.java:116) at org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.DiagramDocumentEditor.initializeGraphicalViewer(DiagramDocumentEditor.java:174) at org.eclipse.uml2.diagram.clazz.part.UMLDiagramEditor.initializeGraphicalViewer(UMLDiagramEditor.java:242) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.createGraphicalViewer(DiagramEditor.java:807) at org.eclipse.gef.ui.parts.GraphicalEditor.createPartControl(GraphicalEditor.java:171) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.createPartControl(DiagramEditor.java:1580) at org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditorWithFlyOutPalette.createPartControl(DiagramEditorWithFlyOutPalette.java:328) at org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.DiagramDocumentEditor.createPartControl(DiagramDocumentEditor.java:1510) at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:662) at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:462) at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595) at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:286) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2857) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2762) at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2754) at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2705) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2701) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2685) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2676) at org.eclipse.ui.ide.IDE.openEditor(IDE.java:651) at org.eclipse.ui.ide.IDE.openEditor(IDE.java:610) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:361) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:168) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:229) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:208) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:274) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:250) at org.eclipse.jdt.internal.ui.navigator.OpenAndExpand.run(OpenAndExpand.java:49) at org.eclipse.ui.actions.RetargetAction.run(RetargetAction.java:221) at org.eclipse.ui.navigator.CommonNavigatorManager$3.open(CommonNavigatorManager.java:202) at org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:48) at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:842) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.runtime.Platform.run(Platform.java:897) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:840) at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1101) at org.eclipse.ui.navigator.CommonViewer.handleOpen(CommonViewer.java:467) at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1205) at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:264) at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:258) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:298) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194) 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:368) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514) at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
Batch Update: UML2Tools is sample component for GMF-Tooling after restructuring
