java.lang.NullPointerException
   at sun.font.GlyphLayout.layout(GlyphLayout.java:473)
   at sun.font.ExtendedTextSourceLabel.createGV(ExtendedTextSourceLabel.java:324)
   at sun.font.ExtendedTextSourceLabel.getGV(ExtendedTextSourceLabel.java:310)
   at sun.font.ExtendedTextSourceLabel.createLogicalBounds(ExtendedTextSourceLabel.java:224)
   at sun.font.ExtendedTextSourceLabel.getAdvance(ExtendedTextSourceLabel.java:133)
   at java.awt.font.TextLine.init(TextLine.java:282)
   at java.awt.font.TextLine.<init>(TextLine.java:128)
   at java.awt.font.TextLine.fastCreateTextLine(TextLine.java:970)
   at java.awt.font.TextLayout.fastInit(TextLayout.java:603)
   at java.awt.font.TextLayout.<init>(TextLayout.java:392)
   at org.netbeans.modules.editor.lib2.view.HighlightsView.createTextLayout(HighlightsView.java:190)
   at org.netbeans.modules.editor.lib2.view.HighlightsView.createTextLayout(HighlightsView.java:167)
   at org.netbeans.modules.editor.lib2.view.TextLayoutCache.get(TextLayoutCache.java:120)
   at org.netbeans.modules.editor.lib2.view.ParagraphView.getTextLayout(ParagraphView.java:146)
   at org.netbeans.modules.editor.lib2.view.HighlightsView.getTextLayout(HighlightsView.java:205)
   at org.netbeans.modules.editor.lib2.view.HighlightsView.getPreferredSpan(HighlightsView.java:102)
   at org.netbeans.modules.editor.lib2.view.EditorBoxViewChildren.replace(EditorBoxViewChildren.java:177)
   at org.netbeans.modules.editor.lib2.view.EditorBoxView.replace(EditorBoxView.java:283)
   at org.netbeans.modules.editor.lib2.view.ViewReplace.replaceViews(ViewReplace.java:132)
   at org.netbeans.modules.editor.lib2.view.ViewBuilder.repaintAndReplaceViews(ViewBuilder.java:539)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.buildViews(ViewUpdates.java:138)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.initChildren(ViewUpdates.java:171)
   at org.netbeans.modules.editor.lib2.view.DocumentView.initChildren(DocumentView.java:503)
   at org.netbeans.modules.editor.lib2.view.EditorBoxViewChildren.getWithChildrenValid(EditorBoxViewChildren.java:297)
   at org.netbeans.modules.editor.lib2.view.EditorBoxViewChildren.modelToViewChecked(EditorBoxViewChildren.java:705)
   at org.netbeans.modules.editor.lib2.view.EditorBoxView.modelToViewChecked(EditorBoxView.java:423)
   at org.netbeans.modules.editor.lib2.view.DocumentView.modelToViewChecked(DocumentView.java:878)
   at org.netbeans.modules.editor.lib2.view.EditorView.modelToView(EditorView.java:264)
   at javax.swing.plaf.basic.BasicTextUI$RootView.modelToView(BasicTextUI.java:1514)
   at javax.swing.plaf.basic.BasicTextUI.modelToView(BasicTextUI.java:1052)
   at javax.swing.plaf.basic.BasicTextUI.modelToView(BasicTextUI.java:1027)
   at org.netbeans.editor.GlyphGutter.changedLine(GlyphGutter.java:592)
   at org.netbeans.editor.Annotations.fireChangedLine(Annotations.java:652)
   at org.netbeans.editor.Annotations.refreshLine(Annotations.java:572)
   at org.netbeans.editor.Annotations.addAnnotation(Annotations.java:302)
   at org.netbeans.modules.editor.NbEditorDocument.addAnnotation(NbEditorDocument.java:251)
   at org.openide.text.NbDocument$2.run(NbDocument.java:508)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:226)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:602)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:138)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)