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Unable to create this part due to an internal error. Reason for the failure: org.eclipse.draw2d.geom

 
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Hi,

Not sure if it's the right place to post this topic.

I have made a recent upgrade of myeclipse ide, and found out that, I can't edit struts-config.xml file with the graphical editor.
I can send you additional information if needed.

Message I get:

Unable to create this part due to an internal error. Reason for the failure: org.eclipse.draw2d.geometry.Dimension

plus the exception:

java.lang.ClassCastException: org.eclipse.draw2d.geometry.Dimension
at org.eclipse.gef.editparts.FreeformGraphicalRootEditPart.refreshGridLayer(FreeformGraphicalRootEditPart.java:280)
at org.eclipse.gef.editparts.FreeformGraphicalRootEditPart$1.propertyChange(FreeformGraphicalRootEditPart.java:108)
at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:333)
at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:270)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer.setProperty(AbstractEditPartViewer.java:687)
at com.genuitec.eclipse.struts.editor.modeler.core.StrutsEditor.loadProperties(StrutsEditor.java:375)
at com.genuitec.eclipse.struts.editor.modeler.core.StrutsEditor.configureGraphicalViewer(StrutsEditor.java:350)
at com.genuitec.eclipse.struts.editor.modeler.core.StrutsEditor.createGraphicalViewer(StrutsEditor.java:321)
at org.eclipse.gef.ui.parts.GraphicalEditor.createPartControl(GraphicalEditor.java:148)
at org.eclipse.gef.ui.parts.GraphicalEditorWithFlyoutPalette.createPartControl(GraphicalEditorWithFlyoutPalette.java:76)
at org.eclipse.ui.part.MultiPageEditorPart.addPage(MultiPageEditorPart.java:155)
at org.eclipse.ui.part.MultiPageEditorPart.addPage(MultiPageEditorPart.java:132)
at com.genuitec.eclipse.struts.editor.multipage.StrutsConfigEditor.createFlowModeler(StrutsConfigEditor.java:262)
at com.genuitec.eclipse.struts.editor.multipage.StrutsConfigEditor.createPages(StrutsConfigEditor.java:281)
at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:241)
at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:585)
at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:365)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:552)
at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:214)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2325)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2258)
at org.eclipse.ui.internal.WorkbenchPage.access$9(WorkbenchPage.java:2250)
at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2236)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2231)
at org.eclipse.ui.actions.OpenWithMenu.openEditor(OpenWithMenu.java:279)
at org.eclipse.ui.actions.OpenWithMenu.access$0(OpenWithMenu.java:271)
at org.eclipse.ui.actions.OpenWithMenu$2.handleEvent(OpenWithMenu.java:178)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1021)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2867)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2572)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1699)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1663)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:367)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:103)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:226)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:376)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:163)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.eclipse.core.launcher.Main.invokeFramework(Main.java:334)
at org.eclipse.core.launcher.Main.basicRun(Main.java:278)
at org.eclipse.core.launcher.Main.run(Main.java:973)
at org.eclipse.core.launcher.Main.main(Main.java:948)
 
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