java.lang.NullPointerException at javax.swing.plaf.synth.SynthTreeUI.paint(SynthTreeUI.java:302) at javax.swing.plaf.synth.SynthTreeUI.update(SynthTreeUI.java:205) at javax.swing.JComponent.paintComponent(JComponent.java:758) at javax.swing.JComponent.paint(JComponent.java:1022) at javax.swing.JComponent.paintToOffscreen(JComponent.java:5104) at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:285) at javax.swing.RepaintManager.paint(RepaintManager.java:1128) at javax.swing.JComponent._paintImmediately(JComponent.java:5052) at javax.swing.JComponent.paintImmediately(JComponent.java:4862) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:723) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:679) at javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:659) at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:128) 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:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:177) at java.awt.Dialog$1.run(Dialog.java:1039) at java.awt.Dialog$3.run(Dialog.java:1091) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1089) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:863) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:897) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:885) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:109) at org.openide.util.Mutex$1AWTWorker.run(Mutex.java:1370) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:177) at java.awt.Dialog$1.run(Dialog.java:1039) at java.awt.Dialog$3.run(Dialog.java:1091) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1089) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:863) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:897) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:885) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:109) at org.openide.util.Mutex.doEventAccess(Mutex.java:1355) at org.openide.util.Mutex.readAccess(Mutex.java:268) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:870) at java.awt.Component.show(Component.java:1419) at java.awt.Component.setVisible(Component.java:1372) at java.awt.Window.setVisible(Window.java:801) at java.awt.Dialog.setVisible(Dialog.java:979) at org.netbeans.modules.profiler.ui.panels.RootMethodsPanel.performDisplay(RootMethodsPanel.java:218) at org.netbeans.modules.profiler.ui.panels.RootMethodsPanel.getSelectedRootMethods(RootMethodsPanel.java:135) at org.netbeans.modules.profiler.ui.stp.CPUSettingsBasicPanel.performRootMethodsAction(CPUSettingsBasicPanel.java:737) at org.netbeans.modules.profiler.ui.stp.CPUSettingsBasicPanel.access$400(CPUSettingsBasicPanel.java:92) at org.netbeans.modules.profiler.ui.stp.CPUSettingsBasicPanel$5.run(CPUSettingsBasicPanel.java:378) at org.netbeans.modules.profiler.ui.HyperlinkLabel.showURL(HyperlinkLabel.java:109) at org.netbeans.lib.profiler.ui.components.HTMLLabel.hyperlinkUpdate(HTMLLabel.java:108) at javax.swing.JEditorPane.fireHyperlinkUpdate(JEditorPane.java:327) at javax.swing.text.html.HTMLEditorKit$LinkController.activateLink(HTMLEditorKit.java:828) at javax.swing.text.html.HTMLEditorKit$LinkController.mouseClicked(HTMLEditorKit.java:638) at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:253) at java.awt.Component.processMouseEvent(Component.java:6041) at javax.swing.JComponent.processMouseEvent(JComponent.java:3260) at java.awt.Component.processEvent(Component.java:5803) at java.awt.Container.processEvent(Container.java:2058) at java.awt.Component.dispatchEventImpl(Component.java:4410) at java.awt.Container.dispatchEventImpl(Container.java:2116) at java.awt.Component.dispatchEvent(Component.java:4240) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3995) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916) at java.awt.Container.dispatchEventImpl(Container.java:2102) at java.awt.Window.dispatchEventImpl(Window.java:2429) at java.awt.Component.dispatchEvent(Component.java:4240) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:177) at java.awt.Dialog$1.run(Dialog.java:1039) at java.awt.Dialog$3.run(Dialog.java:1091) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1089) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:863) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:897) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:885) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:109) at org.openide.util.Mutex$1AWTWorker.run(Mutex.java:1370) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160) at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)