Bug 17147 Java Editor: missing error indication
F1. - create new Java project - create new class Test - add the word 'Test' as shown below public class Test { Test } Observe: and error appears in the overview bar but no wiggly line. Hovering over the closing bracket shows an error hover.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/ProblemPainter.java
/*
	 * @see IPainter#deactivate(boolean)
	 */
	public void deactivate(boolean redraw) {
		if (fIsActive) {
			fIsActive= false;
			disablePainting(redraw);
			setModel(null);
			catchupWithModel();
		}
	}
	
	/*
	 * @see IPainter#paint(int)
	 */
	public void paint(int reason) {
		if (!fIsActive) {
			fIsActive= true;
			IDocumentProvider provider= JavaPlugin.getDefault().getCompilationUnitDocumentProvider();
			setModel(provider.getAnnotationModel(fTextEditor.getEditorInput()));
		}
	}
	/*
	 * @see IPainter#setPositionManager(IPositionManager)
	 */
	public void setPositionManager(IPositionManager manager) {
	}
}