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
}
	}	
	
	private ICompilationUnit getCompilationUnit() {
		IEditorInput input= fEditor.getEditorInput();
		Object elem= input.getAdapter(IJavaElement.class);
		if (elem instanceof ICompilationUnit) {
			return (ICompilationUnit) elem;
		}
		return null;
	}
	
	private IAnnotationModel getAnnotationModel() {
		return JavaUI.getDocumentProvider().getAnnotationModel(fEditor.getEditorInput());
	}
	
	private IDocument getDocument() {
		return JavaUI.getDocumentProvider().getDocument(fEditor.getEditorInput());
	}
	
	
	private void doSelectionChanged(int offset, int length, CompilationUnit astRoot) {
		
		final IAnnotationModel model= getAnnotationModel();
		final ICompilationUnit cu= getCompilationUnit();
		if (model == null || cu == null) {
			return;
		}
		
		final AssistContext context= new AssistContext(cu, offset, length);