javax.swing.text.BadLocationException: Invalid offset=3689, docLen=3685
   at org.netbeans.modules.editor.lib2.view.EditorView.checkBounds(EditorView.java:539)
   at org.netbeans.modules.editor.lib2.view.EditorView.modelToView(EditorView.java:250)
   at javax.swing.plaf.basic.BasicTextUI$RootView.modelToView(BasicTextUI.java:1497)
   at javax.swing.plaf.basic.BasicTextUI.modelToView(BasicTextUI.java:1035)
   at javax.swing.plaf.basic.BasicTextUI.modelToView(BasicTextUI.java:1010)
   at javax.swing.text.JTextComponent.modelToView(JTextComponent.java:1400)
   at org.netbeans.modules.versioning.diff.DiffSidebar.paintComponentUnderLock(DiffSidebar.java:672)
   at org.netbeans.modules.versioning.diff.DiffSidebar.access$100(DiffSidebar.java:103)
   at org.netbeans.modules.versioning.diff.DiffSidebar$3.run(DiffSidebar.java:611)
   at org.netbeans.modules.editor.lib2.view.DocumentView.runTransaction(DocumentView.java:329)
   at org.netbeans.editor.Utilities$3.run(Utilities.java:1407)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1422)
   at org.netbeans.editor.Utilities.runViewHierarchyTransaction(Utilities.java:1415)
   at org.netbeans.modules.versioning.diff.DiffSidebar.paintComponent(DiffSidebar.java:607)
   at javax.swing.JComponent.paint(JComponent.java:1029)
   at javax.swing.JComponent.paintChildren(JComponent.java:862)
   at javax.swing.JComponent.paint(JComponent.java:1038)
   at javax.swing.JComponent.paintToOffscreen(JComponent.java:5124)
   at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1479)
   at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1410)
   at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:294)
   at javax.swing.RepaintManager.paint(RepaintManager.java:1224)
   at javax.swing.JComponent.paintForceDoubleBuffered(JComponent.java:1065)
   at javax.swing.JViewport.paintView(JViewport.java:1633)
   at javax.swing.JViewport.windowBlitPaint(JViewport.java:1564)
   at javax.swing.JViewport.setViewPosition(JViewport.java:1118)
   at javax.swing.plaf.basic.BasicScrollPaneUI.syncScrollPaneWithViewport(BasicScrollPaneUI.java:323)
   at javax.swing.plaf.basic.BasicScrollPaneUI$Handler.viewportStateChanged(BasicScrollPaneUI.java:1066)
   at javax.swing.plaf.basic.BasicScrollPaneUI$Handler.stateChanged(BasicScrollPaneUI.java:1008)
   at javax.swing.JViewport.fireStateChanged(JViewport.java:1384)
   at javax.swing.JViewport.setViewPosition(JViewport.java:1140)
   at javax.swing.JViewport.scrollRectToVisible(JViewport.java:415)
   at javax.swing.JComponent.scrollRectToVisible(JComponent.java:3065)
   at org.netbeans.editor.BaseCaret.update(BaseCaret.java:751)
   at org.netbeans.editor.BaseCaret$3.run(BaseCaret.java:640)
   at org.netbeans.editor.Utilities.runInEventDispatchThread(Utilities.java:1180)
   at org.netbeans.editor.BaseCaret.dispatchUpdate(BaseCaret.java:631)
   at org.netbeans.editor.BaseCaret.setDot(BaseCaret.java:1124)
   at org.netbeans.editor.BaseCaret.setDot(BaseCaret.java:1144)
   at org.netbeans.editor.BaseCaret.setDot(BaseCaret.java:1041)
   at org.netbeans.editor.BaseCaret.modifiedUpdate(BaseCaret.java:1266)
   at org.netbeans.editor.BaseCaret.atomicUnlock(BaseCaret.java:1287)
   at org.netbeans.editor.BaseDocument.fireAtomicUnlock(BaseDocument.java:1943)
   at org.netbeans.editor.BaseDocument.atomicUnlockImpl(BaseDocument.java:1815)
   at org.netbeans.editor.BaseDocument.atomicUnlockImpl(BaseDocument.java:1800)
   at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:323)
   at org.openide.text.CloneableEditorSupport$CESUndoRedoManager$RenderUndo.<init>(CloneableEditorSupport.java:3365)
   at org.openide.text.CloneableEditorSupport$CESUndoRedoManager$RenderUndo.<init>(CloneableEditorSupport.java:3356)
   at org.openide.text.CloneableEditorSupport$CESUndoRedoManager$RenderUndo.<init>(CloneableEditorSupport.java:3352)
   at org.openide.text.CloneableEditorSupport$CESUndoRedoManager.undo(CloneableEditorSupport.java:3249)
   at org.openide.actions.UndoAction.performAction(UndoAction.java:185)
   at org.openide.util.actions.CallableSystemAction$1.run(CallableSystemAction.java:129)
   at org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:95)
   at org.openide.util.actions.ActionInvoker.doPerformAction(ActionInvoker.java:116)
   at org.openide.util.actions.ActionInvoker.invokeAction(ActionInvoker.java:99)
   at org.openide.util.actions.CallableSystemAction.actionPerformed(CallableSystemAction.java:126)
   at org.netbeans.modules.editor.NbEditorKit$NbUndoAction.actionPerformed(NbEditorKit.java:567)
   at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:339)
   at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1633)
   at javax.swing.JComponent.processKeyBinding(JComponent.java:2851)
   at javax.swing.JComponent.processKeyBindings(JComponent.java:2886)
   at javax.swing.JComponent.processKeyEvent(JComponent.java:2814)
   at java.awt.Component.processEvent(Component.java:6044)
   at java.awt.Container.processEvent(Container.java:2041)
   at java.awt.Component.dispatchEventImpl(Component.java:4630)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1850)
   at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:712)
   at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:990)
   at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:855)
   at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:676)
   at java.awt.Component.dispatchEventImpl(Component.java:4502)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Window.dispatchEventImpl(Window.java:2478)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   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)