Bug 32942 NPE while opening type hierarchy view
Build RC1 Selected JavaElement#triggerSourceEndOffset(...) method, and pressed F4. Unhandled exception caught in event loop. Reason: !ENTRY org.eclipse.ui 4 0 Feb 25, 2003 14:33:54.382 !MESSAGE java.lang.NullPointerException !STACK 0 java.lang.NullPointerException at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyViewPart.updateInput (TypeHierarchyViewPart.java:471) at org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyViewPart.setInputElement (TypeHierarchyViewPart.java:439) at org.eclipse.jdt.internal.ui.util.OpenTypeHierarchyUtil.openInViewPart (OpenTypeHierarchyUtil.java:94) at org.eclipse.jdt.internal.ui.util.OpenTypeHierarchyUtil.open (OpenTypeHierarchyUtil.java:75) at org.eclipse.jdt.ui.actions.OpenTypeHierarchyAction.run (OpenTypeHierarchyAction.java:175) at org.eclipse.jdt.ui.actions.OpenTypeHierarchyAction.run (OpenTypeHierarchyAction.java:141) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun (SelectionDispatchAction.java:193) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run (SelectionDispatchAction.java:169) at org.eclipse.jface.action.Action.runWithEvent(Action.java:841) at org.eclipse.ui.internal.WWinKeyBindingService.pressed (WWinKeyBindingService.java:146) at org.eclipse.ui.internal.WWinKeyBindingService$5.widgetSelected (WWinKeyBindingService.java:327) at org.eclipse.ui.internal.AcceleratorMenu$2.handleEvent (AcceleratorMenu.java:55) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:77) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:836) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:1775) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1483) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1271) at org.eclipse.ui.internal.Workbench.run(Workbench.java:1254) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:845) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461) 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:324) at org.eclipse.core.launcher.Main.basicRun(Main.java:247) at org.eclipse.core.launcher.Main.run(Main.java:703) at org.eclipse.core.launcher.Main.main(Main.java:539) java.lang.NullPointerException
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
}
		fToggleLinkingAction= new ToggleLinkingAction(this);
		
		IActionBars actionBars= getViewSite().getActionBars();
		IMenuManager viewMenu= actionBars.getMenuManager();
		for (int i= 0; i < fToggleOrientationActions.length; i++) {
			viewMenu.add(fToggleOrientationActions[i]);
		}
		viewMenu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
		viewMenu.add(fShowQualifiedTypeNamesAction);
		viewMenu.add(fToggleLinkingAction);
		
	
		
		ToolBarManager lowertbmanager= new ToolBarManager(methodViewerToolBar);
		lowertbmanager.add(fEnableMemberFilterAction);			
		lowertbmanager.add(new Separator());
		fMethodsViewer.contributeToToolBar(lowertbmanager);
		lowertbmanager.update(true);
							
		
		int nHierarchyViewers= fAllViewers.length; 
		Viewer[] trackedViewers= new Viewer[nHierarchyViewers + 1];
		for (int i= 0; i < nHierarchyViewers; i++) {
			trackedViewers[i]= fAllViewers[i];
		}
		trackedViewers[nHierarchyViewers]= fMethodsViewer;
		fSelectionProviderMediator= new SelectionProviderMediator(trackedViewers);
		IStatusLineManager slManager= getViewSite().getActionBars().getStatusLineManager();
		fSelectionProviderMediator.addSelectionChangedListener(new StatusBarUpdater(slManager));