javax.swing.text.BadLocationException: Invalid offset=998 not within <0, 997>
   at org.netbeans.modules.editor.lib2.DocUtils.checkOffsetValid(DocUtils.java:239)
   at org.netbeans.modules.editor.lib2.DocUtils.checkOffsetValid(DocUtils.java:234)
   at org.netbeans.modules.editor.lib2.DocUtils.getRowStart(DocUtils.java:70)
   at org.netbeans.modules.editor.lib2.highlighting.CaretBasedBlockHighlighting$CaretRowHighlighting.getCurrentBlockPositions(CaretBasedBlockHighlighting.java:303)
   at org.netbeans.modules.editor.lib2.highlighting.CaretBasedBlockHighlighting.updateLineInfo(CaretBasedBlockHighlighting.java:216)
   at org.netbeans.modules.editor.lib2.highlighting.CaretBasedBlockHighlighting.init(CaretBasedBlockHighlighting.java:140)
   at org.netbeans.modules.editor.lib2.highlighting.CaretBasedBlockHighlighting.getHighlights(CaretBasedBlockHighlighting.java:159)
   at org.netbeans.modules.editor.lib2.highlighting.DirectMergeContainer$HlSequence.<init>(DirectMergeContainer.java:232)
   at org.netbeans.modules.editor.lib2.highlighting.DirectMergeContainer.getHighlights(DirectMergeContainer.java:119)
   at org.netbeans.modules.editor.lib2.highlighting.HighlightsReader.<init>(HighlightsReader.java:65)
   at org.netbeans.modules.editor.lib2.view.DocumentViewChildren.paint(DocumentViewChildren.java:624)
   at org.netbeans.modules.editor.lib2.view.DocumentView.paint(DocumentView.java:720)
   at org.netbeans.modules.editor.lib2.view.EditorView.paint(EditorView.java:160)
   at javax.swing.plaf.basic.BasicTextUI$RootView.paint(BasicTextUI.java:1434)
   at javax.swing.plaf.basic.BasicTextUI.paintSafely(BasicTextUI.java:737)
   at javax.swing.plaf.basic.BasicTextUI.paint(BasicTextUI.java:881)
   at javax.swing.plaf.basic.BasicTextUI.update(BasicTextUI.java:860)
   at javax.swing.JComponent.paintComponent(JComponent.java:780)
   at javax.swing.JComponent.paint(JComponent.java:1056)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JLayeredPane.paint(JLayeredPane.java:586)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JViewport.paint(JViewport.java:728)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JLayer.paint(JLayer.java:433)
   at javax.swing.plaf.LayerUI.paint(LayerUI.java:79)
   at org.netbeans.core.multiview.SplitLayerUI.paint(SplitLayerUI.java:157)
   at javax.swing.plaf.ComponentUI.update(ComponentUI.java:161)
   at javax.swing.JComponent.paintComponent(JComponent.java:780)
   at javax.swing.JLayer.paint(JLayer.java:428)
   at javax.swing.JComponent.paintChildren(JComponent.java:889)
   at javax.swing.JComponent.paint(JComponent.java:1065)
   at javax.swing.JComponent.paintToOffscreen(JComponent.java:5210)
   at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1579)
   at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1502)
   at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:306)
   at javax.swing.RepaintManager.paint(RepaintManager.java:1272)
   at javax.swing.JComponent._paintImmediately(JComponent.java:5158)
   at javax.swing.JComponent.paintImmediately(JComponent.java:4969)
   at javax.swing.JLayer.paintImmediately(JLayer.java:415)
   at javax.swing.plaf.LayerUI.paintImmediately(LayerUI.java:717)
   at javax.swing.JLayer.paintImmediately(JLayer.java:410)
   at javax.swing.JComponent.paintImmediately(JComponent.java:4950)
   at javax.swing.RepaintManager$4.run(RepaintManager.java:831)
   at javax.swing.RepaintManager$4.run(RepaintManager.java:814)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:814)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:789)
   at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:738)
   at javax.swing.RepaintManager.access$1200(RepaintManager.java:64)
   at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1732)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:709)
   at java.awt.EventQueue$3.run(EventQueue.java:703)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)