javax.swing.text.BadLocationException: Invalid offset=1 not within <0, 0>
        at org.netbeans.modules.editor.lib2.DocUtils.checkOffsetValid(DocUtils.java:192)
        at org.netbeans.modules.editor.lib2.DocUtils.checkOffsetValid(DocUtils.java:187)
        at org.netbeans.modules.editor.lib2.DocUtils.getRowStart(DocUtils.java:64)
        at org.netbeans.modules.editor.lib2.highlighting.CaretBasedBlockHighlighting$CaretRowHighlighting.getCurrentBlockPositions(CaretBasedBlockHighlighting.java:299)
        at org.netbeans.modules.editor.lib2.highlighting.CaretBasedBlockHighlighting.updateLineInfo(CaretBasedBlockHighlighting.java:171)
        at org.netbeans.modules.editor.lib2.highlighting.CaretBasedBlockHighlighting.<init>(CaretBasedBlockHighlighting.java:111)
        at org.netbeans.modules.editor.lib2.highlighting.CaretBasedBlockHighlighting$CaretRowHighlighting.<init>(CaretBasedBlockHighlighting.java:292)
        at org.netbeans.modules.editor.lib2.highlighting.Factory.createLayers(Factory.java:70)
        at org.netbeans.modules.editor.lib2.highlighting.HighlightingManager$Highlighting.rebuildAllLayers(HighlightingManager.java:288)
        at org.netbeans.modules.editor.lib2.highlighting.HighlightingManager$Highlighting.rebuildAll(HighlightingManager.java:258)
        at org.netbeans.modules.editor.lib2.highlighting.HighlightingManager$Highlighting.propertyChange(HighlightingManager.java:177)
        at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:186)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
        at java.awt.Component.firePropertyChange(Component.java:8085)
        at javax.swing.text.JTextComponent.setDocument(JTextComponent.java:437)
        at javax.swing.JEditorPane.setEditorKit(JEditorPane.java:1098)
        at javax.swing.JEditorPane.setContentType(JEditorPane.java:1021)
        at org.netbeans.modules.collab.channel.chat.ChatInputPane._setContentType(ChatInputPane.java:220)
        at org.netbeans.modules.collab.channel.chat.ChatComponent.setInputContentType(ChatComponent.java:657)
        at org.netbeans.modules.collab.channel.chat.ChatComponent$ContentTypeActionListener.actionPerformed(ChatComponent.java:1284)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
        at javax.swing.JToggleButton$ToggleButtonModel.setPressed(JToggleButton.java:291)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
        at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
        at java.awt.Component.processMouseEvent(Component.java:6220)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
        at java.awt.Component.processEvent(Component.java:5985)
        at java.awt.Container.processEvent(Container.java:2036)
        at java.awt.Component.dispatchEventImpl(Component.java:4587)
        at java.awt.Container.dispatchEventImpl(Container.java:2094)
        at java.awt.Component.dispatchEvent(Component.java:4417)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4569)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4233)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4163)
        at java.awt.Container.dispatchEventImpl(Container.java:2080)
        at java.awt.Window.dispatchEventImpl(Window.java:2475)
        at java.awt.Component.dispatchEvent(Component.java:4417)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        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)