java.lang.NullPointerException at javax.swing.text.GlyphView$GlyphPainter.getNextVisualPositionFrom(GlyphView.java:1318) at javax.swing.text.GlyphView.getNextVisualPositionFrom(GlyphView.java:907) at javax.swing.text.Utilities.getNextVisualPositionFrom(Utilities.java:1008) at javax.swing.text.CompositeView.getNextEastWestVisualPositionFrom(CompositeView.java:757) at javax.swing.text.CompositeView.getNextVisualPositionFrom(CompositeView.java:482) at javax.swing.text.Utilities.getNextVisualPositionFrom(Utilities.java:1008) at javax.swing.text.CompositeView.getNextEastWestVisualPositionFrom(CompositeView.java:757) at javax.swing.text.CompositeView.getNextVisualPositionFrom(CompositeView.java:482) at javax.swing.text.CompositeView.viewToModel(CompositeView.java:410) at javax.swing.text.BoxView.viewToModel(BoxView.java:503) at javax.swing.text.CompositeView.viewToModel(CompositeView.java:425) at javax.swing.text.BoxView.viewToModel(BoxView.java:503) at javax.swing.text.CompositeView.viewToModel(CompositeView.java:425) at javax.swing.text.BoxView.viewToModel(BoxView.java:503) at javax.swing.plaf.basic.BasicTextUI$RootView.viewToModel(BasicTextUI.java:1552) at javax.swing.plaf.basic.BasicTextUI.viewToModel(BasicTextUI.java:1101) at javax.swing.text.html.HTMLEditorKit$LinkController.mouseMoved(HTMLEditorKit.java:695) at java.awt.AWTEventMulticaster.mouseMoved(AWTEventMulticaster.java:330) at java.awt.Component.processMouseMotionEvent(Component.java:6570) at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3339) at java.awt.Component.processEvent(Component.java:6294) at java.awt.Container.processEvent(Container.java:2234) at java.awt.Component.dispatchEventImpl(Component.java:4881) at java.awt.Container.dispatchEventImpl(Container.java:2292) at java.awt.Component.dispatchEvent(Component.java:4703) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4898) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4546) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4462) at java.awt.Container.dispatchEventImpl(Container.java:2278) at java.awt.Window.dispatchEventImpl(Window.java:2739) at java.awt.Component.dispatchEvent(Component.java:4703) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746) at java.awt.EventQueue.access$400(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:697) at java.awt.EventQueue$3.run(EventQueue.java:691) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86) at java.awt.EventQueue$4.run(EventQueue.java:719) at java.awt.EventQueue$4.run(EventQueue.java:717) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:716) 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)