Description Yves YANG 2010-05-27 10:02:07 EDT

After opening the VDE on Application.e4xmi, we get a dialog NPE.   

java.lang.NullPointerException
at org.eclipse.swt.dnd.DropTarget.setTransfer(DropTarget.java:911)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer.refreshDropTargetAdapter(AbstractEditPartViewer.java:505)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer.hookControl(AbstractEditPartViewer.java:429)
at org.eclipse.gef.ui.parts.TreeViewer.hookControl(TreeViewer.java:195)
at org.eclipse.gef.ui.parts.AbstractEditPartViewer.setControl(AbstractEditPartViewer.java:622)
at org.eclipse.gef.ui.parts.TreeViewer.createControl(TreeViewer.java:119)
at org.eclipse.gef.ui.parts.ContentOutlinePage.createControl(ContentOutlinePage.java:59)
at org.eclipse.ui.views.contentoutline.ContentOutline.doCreatePage(ContentOutline.java:137)
at org.eclipse.ui.part.PageBookView.createPage(PageBookView.java:410)
at org.eclipse.ui.part.PageBookView.partActivated(PageBookView.java:767)
at org.eclipse.ui.part.PageBookView$4.partActivated(PageBookView.java:1026)
at org.eclipse.ui.internal.PartListenerList2$1.run(PartListenerList2.java:70)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.runtime.Platform.run(Platform.java:888)
at org.eclipse.ui.internal.PartListenerList2.fireEvent(PartListenerList2.java:55)
at org.eclipse.ui.internal.PartListenerList2.firePartActivated(PartListenerList2.java:68)
at org.eclipse.ui.internal.PartService.firePartActivated(PartService.java:192)
at org.eclipse.ui.internal.PartService.setActivePart(PartService.java:306)
at org.eclipse.ui.internal.WorkbenchPagePartList.fireActivePartChanged(WorkbenchPagePartList.java:57)
at org.eclipse.ui.internal.PartList.setActivePart(PartList.java:136)
at org.eclipse.ui.internal.WorkbenchPage.setActivePart(WorkbenchPage.java:3537)
at org.eclipse.ui.internal.WorkbenchPage.requestActivation(WorkbenchPage.java:3077)
at org.eclipse.ui.internal.PartPane.requestActivation(PartPane.java:279)
at org.eclipse.ui.internal.EditorPane.requestActivation(EditorPane.java:98)
at org.eclipse.ui.internal.PartPane.handleEvent(PartPane.java:237)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:3764)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1343)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1366)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1347)
at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1355)
at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:2948)
at org.eclipse.swt.widgets.Canvas.sendFocusEvent(Canvas.java:62)
at org.eclipse.swt.widgets.Display.checkFocus(Display.java:618)
at org.eclipse.swt.widgets.Shell.makeFirstResponder(Shell.java:1112)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:5072)
at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220)
at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:1919)
at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2008)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:5026)
at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4568)
at org.eclipse.swt.widgets.Display.applicationProc(Display.java:4645)
at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:115)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3262)
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)