java.lang.NullPointerException
        at org.netbeans.modules.autoupdate.updateprovider.LocalNBMsProvider.getUpdateItems(LocalNBMsProvider.java:52)
        at org.netbeans.modules.autoupdate.services.UpdateUnitFactory.getUpdateUnits(UpdateUnitFactory.java:76)
        at org.netbeans.modules.autoupdate.services.UpdateManagerImpl.getUpdateUnits(UpdateManagerImpl.java:70)
        at org.netbeans.modules.autoupdate.services.UpdateUnitProviderImpl.getUpdateUnits(UpdateUnitProviderImpl.java:90)
        at org.netbeans.api.autoupdate.UpdateUnitProvider.getUpdateUnits(UpdateUnitProvider.java:91)
        at org.netbeans.modules.autoupdate.ui.LocalDownloadSupport.getUpdateUnits(LocalDownloadSupport.java:82)
        at org.netbeans.modules.autoupdate.ui.UnitTab.bAddLocallyDownloadsActionPerformed(UnitTab.java:359)
        at org.netbeans.modules.autoupdate.ui.UnitTab.access$700(UnitTab.java:50)
        at org.netbeans.modules.autoupdate.ui.UnitTab$7.actionPerformed(UnitTab.java:302)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$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:6038)
        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(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)
[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:810)
        at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:844)
        at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:832)
        at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:81)
        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:817)
        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:49)
        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: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(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)