javax.swing.text.BadLocationException: Invalid offset=-1 not within <0, 56>
        at org.netbeans.editor.Utilities.checkOffsetValid(Utilities.java:1356)
        at org.netbeans.editor.Utilities.checkOffsetValid(Utilities.java:1351)
        at org.netbeans.editor.Utilities.getRowFirstNonWhite(Utilities.java:181)
        at org.netbeans.modules.gsf.codecoverage.CoverageHighlightsContainer$Highlights.<init>(CoverageHighlightsContainer.java:299)
        at org.netbeans.modules.gsf.codecoverage.CoverageHighlightsContainer$Highlights.<init>(CoverageHighlightsContainer.java:269)
        at org.netbeans.modules.gsf.codecoverage.CoverageHighlightsContainer.getHighlights(CoverageHighlightsContainer.java:135)
        at org.netbeans.modules.editor.lib2.highlighting.CompoundHighlightsContainer.updateCache(CompoundHighlightsContainer.java:301)
        at org.netbeans.modules.editor.lib2.highlighting.CompoundHighlightsContainer.getHighlights(CompoundHighlightsContainer.java:170)
        at org.netbeans.editor.HighlightingDrawLayer.processOffset(HighlightingDrawLayer.java:618)
        at org.netbeans.editor.HighlightingDrawLayer.isActive(HighlightingDrawLayer.java:344)
        at org.netbeans.editor.DrawEngine.drawArea(DrawEngine.java:884)
        at org.netbeans.editor.DrawEngine.drawInternal(DrawEngine.java:1168)
        at org.netbeans.editor.DrawEngine.draw(DrawEngine.java:1074)
        at org.netbeans.editor.DrawEngineLineView.getModel2ViewRect(DrawEngineLineView.java:413)
        at org.netbeans.editor.DrawEngineLineView.modelToView(DrawEngineLineView.java:482)
        at org.netbeans.editor.DrawEngineLineView.modelToView(DrawEngineLineView.java:441)
        at org.netbeans.lib.editor.view.GapBoxView.modelToView(GapBoxView.java:1507)
        at javax.swing.text.View.modelToView(View.java:598)
        at org.netbeans.editor.view.spi.LockView.modelToView(LockView.java:437)
        at javax.swing.plaf.basic.BasicTextUI$RootView.modelToView(BasicTextUI.java:1523)
        at javax.swing.plaf.basic.BasicTextUI.damageRange(BasicTextUI.java:1158)
        at org.netbeans.editor.BaseTextUI.damageRange(BaseTextUI.java:351)
        at javax.swing.plaf.basic.BasicTextUI.damageRange(BasicTextUI.java:1137)
        at org.netbeans.editor.HighlightingDrawLayer$5.run(HighlightingDrawLayer.java:507)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)