java.lang.NullPointerException
   at org.netbeans.modules.editor.lib2.view.EditorViewFactory.offsetRepaint(EditorViewFactory.java:273)
   at org.netbeans.modules.editor.lib2.view.HighlightsViewFactory$1.run(HighlightsViewFactory.java:399)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1421)
   at org.netbeans.modules.editor.lib2.view.HighlightsViewFactory.highlightChanged(HighlightsViewFactory.java:357)
   at sun.reflect.GeneratedMethodAccessor73.invoke(GeneratedMethodAccessor73.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:487)
   at com.sun.proxy.$Proxy28.highlightChanged(.java:0)
   at org.netbeans.modules.editor.lib2.highlighting.DirectMergeContainer.highlightChanged(DirectMergeContainer.java:143)
   at sun.reflect.GeneratedMethodAccessor73.invoke(GeneratedMethodAccessor73.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:487)
   at com.sun.proxy.$Proxy28.highlightChanged(.java:0)
   at org.netbeans.spi.editor.highlighting.support.AbstractHighlightsContainer.fireHighlightsChange(AbstractHighlightsContainer.java:113)
   at org.netbeans.modules.editor.impl.highlighting.AnnotationsHighlighting.highlightChanged(AnnotationsHighlighting.java:111)
   at org.netbeans.spi.editor.highlighting.support.AbstractHighlightsContainer.fireHighlightsChange(AbstractHighlightsContainer.java:113)
   at org.netbeans.spi.editor.highlighting.support.OffsetsBag.setHighlights(OffsetsBag.java:307)
   at org.netbeans.modules.editor.impl.highlighting.AnnotationsHighlighting$R$1.run(AnnotationsHighlighting.java:194)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1421)
   at org.netbeans.modules.editor.impl.highlighting.AnnotationsHighlighting$R.refreshAllLines(AnnotationsHighlighting.java:192)
   at org.netbeans.modules.editor.impl.highlighting.AnnotationsHighlighting$R.run(AnnotationsHighlighting.java:168)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)