SEVERE [global] java.lang.IllegalArgumentException: UpdateUnit cannot be null. at org.netbeans.modules.autoupdate.services.OperationContainerImpl.isValid(OperationContainerImpl.java:157) at org.netbeans.modules.autoupdate.services.OperationContainerImpl.add(OperationContainerImpl.java:63) at org.netbeans.api.autoupdate.OperationContainer.add(OperationContainer.java:114) at org.netbeans.modules.autoupdate.ui.Unit$Available.getCompleteSize(Unit.java:364) at org.netbeans.modules.autoupdate.ui.AvailableTableModel.getValueAt(AvailableTableModel.java:86) at javax.swing.JTable.getValueAt(JTable.java:2638) at javax.swing.JTable.prepareRenderer(JTable.java:5652) at org.netbeans.modules.autoupdate.ui.UnitTableUI.paintCell(UnitTableUI.java:313) at org.netbeans.modules.autoupdate.ui.UnitTableUI.paintCells(UnitTableUI.java:196) at org.netbeans.modules.autoupdate.ui.UnitTableUI.paint(UnitTableUI.java:100) at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143) at javax.swing.JComponent.paintComponent(JComponent.java:763) at javax.swing.JComponent.paint(JComponent.java:1027) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1036) at javax.swing.JViewport.paint(JViewport.java:747) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1036) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1036) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JSplitPane.paintChildren(JSplitPane.java:1026) at javax.swing.JComponent.paint(JComponent.java:1036) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1036) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1036) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1036) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1036) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paint(JComponent.java:1036) at javax.swing.JLayeredPane.paint(JLayeredPane.java:564) at javax.swing.JComponent.paintChildren(JComponent.java:864) at javax.swing.JComponent.paintToOffscreen(JComponent.java:5129) at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:285) at javax.swing.RepaintManager.paint(RepaintManager.java:1128) at javax.swing.JComponent.paint(JComponent.java:1013) at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:21) at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:60) at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:97) at java.awt.Container.paint(Container.java:1797) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:734) 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) [catch] 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(Native Method) at java.awt.Dialog.show(Dialog.java:1089) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:812) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:846) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:834) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:82) at org.openide.util.Mutex.doEventAccess(Mutex.java:1201) at org.openide.util.Mutex.readAccess(Mutex.java:220) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:819) 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.autoupdate.ui.actions.PluginManagerAction.performAction(PluginManagerAction.java:51) at org.openide.util.actions.CallableSystemAction$1.run(CallableSystemAction.java:96) at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:55) at org.openide.util.actions.CallableSystemAction.actionPerformed(CallableSystemAction.java:92) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.AbstractButton.doClick(AbstractButton.java:357) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1216) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1257) at java.awt.Component.processMouseEvent(Component.java:6038) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) 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(Container.java:4322) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986) at java.awt.LightweightDispatcher.dispatchEvent(Container.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 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)