Bug 54799 NPE in QuickAssistLightBulbUpdater.hasQuickFixLightBulb(QuickAssistLightBulbUpdater
I200340310 + plug-in export Sorry no steps. I got a job error dialog plus this .log entry: !ENTRY org.eclipse.core.runtime 4 2 Mrz 15, 2004 12:04:41.328 !MESSAGE An internal error occurred during: "Java AST creation". !STACK 0 java.lang.NullPointerException at org.eclipse.jdt.internal.ui.text.correction.QuickAssistLightBulbUpdater.hasQuickFixLightBulb(QuickAssistLightBulbUpdater.java:250) at org.eclipse.jdt.internal.ui.text.correction.QuickAssistLightBulbUpdater.doSelectionChanged(QuickAssistLightBulbUpdater.java:212) at org.eclipse.jdt.internal.ui.text.correction.QuickAssistLightBulbUpdater.access$0(QuickAssistLightBulbUpdater.java:201) at org.eclipse.jdt.internal.ui.text.correction.QuickAssistLightBulbUpdater$1.selectionChanged(QuickAssistLightBulbUpdater.java:128) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$PartListenerGroup.calculateASTandInform(SelectionListenerWithASTManager.java:149) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$1.run(SelectionListenerWithASTManager.java:99) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:62)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/QuickAssistLightBulbUpdater.java
public boolean isSetInPreferences() {
		return PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.APPEARANCE_QUICKASSIST_LIGHTBULB);
	}
	
	private void installSelectionListener() {
		fListener= new ISelectionListenerWithAST() {
			public void selectionChanged(IEditorPart part, ITextSelection selection, CompilationUnit astRoot) {
				doSelectionChanged(selection.getOffset(), selection.getLength(), astRoot);
			}
		};
		SelectionListenerWithASTManager.getDefault().addListener(fEditor, fListener);
	}
	
	private void uninstallSelectionListener() {
		if (fListener != null) {
			SelectionListenerWithASTManager.getDefault().removeListener(fEditor, fListener);
			fListener= null;
		}
		IAnnotationModel model= getAnnotationModel();
		if (model != null) {
			removeLightBulb(model);
		}
	}	
	
	public void install() {
		if (isSetInPreferences()) {
			installSelectionListener();
		}
		if (fPropertyChangeListener == null) {