java.lang.AssertionError
   at org.netbeans.modules.editor.lib2.view.HighlightsViewFactory$2.run(HighlightsViewFactory.java:363)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1343)
   at org.netbeans.modules.editor.lib2.view.HighlightsViewFactory.highlightChanged(HighlightsViewFactory.java:332)
   at sun.reflect.GeneratedMethodAccessor82.invoke(GeneratedMethodAccessor82.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:457)
   at $Proxy21.highlightChanged(.java:0)
   at org.netbeans.modules.editor.lib2.highlighting.DirectMergeContainer.highlightChanged(DirectMergeContainer.java:116)
   at sun.reflect.GeneratedMethodAccessor82.invoke(GeneratedMethodAccessor82.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:457)
   at $Proxy21.highlightChanged(.java:0)
   at org.netbeans.spi.editor.highlighting.support.AbstractHighlightsContainer.fireHighlightsChange(AbstractHighlightsContainer.java:113)
   at org.netbeans.modules.editor.lib2.highlighting.TextSearchHighlighting.highlightChanged(TextSearchHighlighting.java:115)
   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.lib2.highlighting.TextSearchHighlighting$1.run(TextSearchHighlighting.java:174)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1343)
   at org.netbeans.modules.editor.lib2.highlighting.TextSearchHighlighting$1.run(TextSearchHighlighting.java:148)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1452)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2032)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:424)
   at org.netbeans.modules.editor.lib2.highlighting.TextSearchHighlighting.fillInTheBag(TextSearchHighlighting.java:142)
   at org.netbeans.modules.editor.lib2.highlighting.TextSearchHighlighting.<init>(TextSearchHighlighting.java:107)
   at org.netbeans.modules.editor.lib2.highlighting.Factory.createLayers(Factory.java:94)
   at org.netbeans.modules.editor.lib2.highlighting.HighlightingManager$Highlighting.rebuildAllLayersImpl(HighlightingManager.java:394)
   at org.netbeans.modules.editor.lib2.highlighting.HighlightingManager$Highlighting$4.run(HighlightingManager.java:375)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1343)
   at org.netbeans.modules.editor.lib2.highlighting.HighlightingManager$Highlighting.rebuildAllLayers(HighlightingManager.java:372)
   at org.netbeans.modules.editor.lib2.highlighting.HighlightingManager$Highlighting$2.resultChanged(HighlightingManager.java:198)
   at sun.reflect.GeneratedMethodAccessor27.invoke(GeneratedMethodAccessor27.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:457)
   at $Proxy3.resultChanged(.java:0)
   at org.openide.util.lookup.AbstractLookup$NotifyListeners.run(AbstractLookup.java:536)
   at org.openide.util.lookup.AbstractLookup.notifyIn(AbstractLookup.java:313)
   at org.openide.util.lookup.AbstractLookup.setPairs(AbstractLookup.java:306)
   at org.openide.util.lookup.AbstractLookup$Content.setPairs(AbstractLookup.java:1296)
   at org.openide.util.lookup.InstanceContent.set(InstanceContent.java:147)
   at org.netbeans.modules.editor.settings.storage.SettingsProvider$MyLookup.updateContents(SettingsProvider.java:300)
   at org.netbeans.modules.editor.settings.storage.SettingsProvider$MyLookup.preferenceChange(SettingsProvider.java:225)
   at sun.reflect.GeneratedMethodAccessor180.invoke(GeneratedMethodAccessor180.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:457)
   at $Proxy16.preferenceChange(.java:0)
   at java.util.prefs.AbstractPreferences$EventDispatchThread.run(AbstractPreferences.java:1490)