java.lang.NullPointerException at javax.swing.text.FlowView$FlowStrategy.layoutRow(FlowView.java:538) at javax.swing.text.FlowView$FlowStrategy.layout(FlowView.java:452) at javax.swing.text.FlowView.layout(FlowView.java:184) at javax.swing.text.BoxView.setSize(BoxView.java:380) at javax.swing.text.BoxView.updateChildSizes(BoxView.java:349) at javax.swing.text.BoxView.setSpanOnAxis(BoxView.java:331) at javax.swing.text.BoxView.layout(BoxView.java:691) at javax.swing.text.BoxView.setSize(BoxView.java:380) at javax.swing.text.BoxView.updateChildSizes(BoxView.java:349) at javax.swing.text.BoxView.setSpanOnAxis(BoxView.java:331) at javax.swing.text.BoxView.layout(BoxView.java:691) at javax.swing.text.BoxView.setSize(BoxView.java:380) at javax.swing.plaf.basic.BasicTextUI$RootView.setSize(BasicTextUI.java:1701) at javax.swing.plaf.basic.BasicTextUI$RootView.paint(BasicTextUI.java:1420) at javax.swing.plaf.basic.BasicTextUI.paintSafely(BasicTextUI.java:725) at javax.swing.plaf.basic.BasicTextUI.paint(BasicTextUI.java:868) at javax.swing.plaf.basic.BasicTextUI.update(BasicTextUI.java:847) at javax.swing.JComponent.paintComponent(JComponent.java:763) at javax.swing.JComponent.paint(JComponent.java:1027) at javax.swing.JComponent.paintToOffscreen(JComponent.java:5122) at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:285) at javax.swing.RepaintManager.paint(RepaintManager.java:1128) at javax.swing.JComponent._paintImmediately(JComponent.java:5070) at javax.swing.JComponent.paintImmediately(JComponent.java:4880) 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.TimeableEventQueue.dispatchEvent(TimeableEventQueue.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:1045) at java.awt.Dialog$3.run(Dialog.java:1097) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1095) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:834) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:868) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:856) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:104) at org.openide.util.Mutex.doEventAccess(Mutex.java:1355) at org.openide.util.Mutex.readAccess(Mutex.java:268) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:841) at java.awt.Component.show(Component.java:1422) at java.awt.Component.setVisible(Component.java:1375) at java.awt.Window.setVisible(Window.java:806) at java.awt.Dialog.setVisible(Dialog.java:985) at org.netbeans.modules.autoupdate.ui.InstallUnitWizard.invokeWizard(InstallUnitWizard.java:81) at org.netbeans.modules.autoupdate.ui.InstallUnitWizard.invokeWizard(InstallUnitWizard.java:69) at org.netbeans.modules.autoupdate.ui.UnitTab$AvailableAction.performerImpl(UnitTab.java:1069) at org.netbeans.modules.autoupdate.ui.UnitTab$TabAction.actionPerformed(UnitTab.java:888) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236) at java.awt.Component.processMouseEvent(Component.java:6041) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5806) at java.awt.Container.processEvent(Container.java:2058) at java.awt.Component.dispatchEventImpl(Component.java:4413) at java.awt.Container.dispatchEventImpl(Container.java:2116) at java.awt.Component.dispatchEvent(Component.java:4243) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3986) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916) at java.awt.Container.dispatchEventImpl(Container.java:2102) at java.awt.Window.dispatchEventImpl(Window.java:2440) at java.awt.Component.dispatchEvent(Component.java:4243) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimeableEventQueue.dispatchEvent(TimeableEventQueue.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)