Description Benjamin Muskalla 2011-07-11 18:06:39 EDT

When using EMF compare inside a dialog (eg. EGit commit dialog), there is no reference to a workbench part and thus, EMF compare fails with an NPE.

As the site is only used to register the export action (which is not needed in that scenario), I'd just ignore adding the menu manager.


!ENTRY org.eclipse.ui 4 0 2011-07-11 23:54:02.625
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.NullPointerException
	at org.eclipse.emf.compare.ui.viewer.structure.ModelStructureMergeViewer.createToolItems(ModelStructureMergeViewer.java:192)
	at org.eclipse.emf.compare.ui.viewer.structure.ParameterizedStructureMergeViewer.createToolItems(ParameterizedStructureMergeViewer.java:83)
	at org.eclipse.emf.compare.ui.viewer.structure.ModelStructureMergeViewer.<init>(ModelStructureMergeViewer.java:100)
	at org.eclipse.emf.compare.ui.viewer.structure.ParameterizedStructureMergeViewer.<init>(ParameterizedStructureMergeViewer.java:60)
	at org.eclipse.emf.compare.ui.viewer.structure.ParameterizedStructureMergeViewerCreator.createViewer(ParameterizedStructureMergeViewerCreator.java:32)
	at org.eclipse.compare.internal.ViewerDescriptor.createViewer(ViewerDescriptor.java:63)
	at org.eclipse.compare.internal.CompareUIPlugin.getViewer(CompareUIPlugin.java:969)
	at org.eclipse.compare.internal.CompareUIPlugin.findStructureViewer(CompareUIPlugin.java:850)
	at org.eclipse.compare.CompareUI.findStructureViewer(CompareUI.java:312)
	at org.eclipse.compare.CompareEditorInput.findStructureViewer(CompareEditorInput.java:931)
	at org.eclipse.compare.internal.CompareStructureViewerSwitchingPane.getViewer(CompareStructureViewerSwitchingPane.java:84)
	at org.eclipse.compare.CompareEditorInput$10.getViewer(CompareEditorInput.java:715)
	at org.eclipse.compare.CompareViewerSwitchingPane.setInput(CompareViewerSwitchingPane.java:266)
	at org.eclipse.compare.internal.CompareStructureViewerSwitchingPane.setInput(CompareStructureViewerSwitchingPane.java:132)
	at org.eclipse.compare.CompareEditorInput.feedInput(CompareEditorInput.java:747)
	at org.eclipse.compare.CompareEditorInput.createContents(CompareEditorInput.java:555)
	at org.eclipse.compare.internal.CompareDialog.createDialogArea(CompareDialog.java:175)
	at org.eclipse.jface.dialogs.Dialog.createContents(Dialog.java:760)
	at org.eclipse.jface.window.Window.create(Window.java:431)
	at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1089)
	at org.eclipse.jface.window.Window.open(Window.java:790)
	at org.eclipse.compare.internal.CompareDialog.open(CompareDialog.java:196)
	at org.eclipse.compare.internal.CompareUIPlugin$3.run(CompareUIPlugin.java:1253)
	at org.eclipse.compare.internal.CompareUIPlugin.syncExec(CompareUIPlugin.java:1263)
	at org.eclipse.compare.internal.CompareUIPlugin.internalOpenDialog(CompareUIPlugin.java:1256)
	at org.eclipse.compare.internal.CompareUIPlugin.openCompareDialog(CompareUIPlugin.java:547)
	at org.eclipse.compare.CompareUI.openCompareDialog(CompareUI.java:211)
	at org.eclipse.egit.ui.internal.CompareUtils.compareHeadWithWorkspace(CompareUtils.java:415)
	at org.eclipse.egit.ui.internal.dialogs.CommitDialog$CommitItemSelectionListener.widgetDefaultSelected(CommitDialog.java:250)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:119)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3588)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3209)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
	at org.eclipse.jface.window.Window.open(Window.java:801)
	at org.eclipse.egit.ui.internal.commit.CommitUI.commit(CommitUI.java:183)
	at org.eclipse.egit.ui.internal.actions.CommitActionHandler.execute(CommitActionHandler.java:32)
	at org.eclipse.egit.ui.internal.actions.RepositoryAction.run(RepositoryAction.java:86)
	at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251)
	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3588)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3209)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	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:344)
	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:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)