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Opened editor/plain, expanded it, browsed the resources package and closed it. java.lang.NullPointerException at org.netbeans.modules.navigator.NavigatorController.updateContext(NavigatorController.java:330) at org.netbeans.modules.navigator.NavigatorController.run(NavigatorController.java:518) at org.netbeans.modules.navigator.NavigatorController.nodeDestroyed(NavigatorController.java:498) Caused: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:427) Caused: java.lang.reflect.UndeclaredThrowableException at $Proxy6.nodeDestroyed(Unknown Source) at org.openide.nodes.Node.fireNodeDestroyed(Node.java:1065) at org.openide.nodes.Children$Keys.destroyNodes(Children.java:2166) at org.openide.nodes.Children$Keys.notifyRemove(Children.java:2174) at org.openide.nodes.Children.updateRemove(Children.java:899) at org.openide.nodes.Children.setEntries(Children.java:847) at org.openide.nodes.Children$Keys$2.run(Children.java:2111) at org.openide.util.Mutex.postRequest(Mutex.java:1140) at org.openide.util.Mutex.postWriteRequest(Mutex.java:490) at org.openide.nodes.Children$Keys.applyKeys(Children.java:2120) at org.openide.nodes.Children$Keys.setKeys(Children.java:2065) at org.netbeans.modules.project.ui.ProjectsRootNode$ProjectChildren.propertyChange(ProjectsRootNode.java:273) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:333) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:270) at org.netbeans.modules.project.ui.OpenProjectList.close(OpenProjectList.java:422) at org.netbeans.modules.project.ui.actions.CloseProject.actionPerformed(CloseProject.java:60) at org.netbeans.modules.project.ui.actions.LookupSensitiveAction.actionPerformed(LookupSensitiveAction.java:139) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1882) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2202) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258) at javax.swing.AbstractButton.doClick(AbstractButton.java:334) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1000) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1041) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:231) at java.awt.Component.processMouseEvent(Component.java:5554) at javax.swing.JComponent.processMouseEvent(JComponent.java:3126) at java.awt.Component.processEvent(Component.java:5319) at java.awt.Container.processEvent(Container.java:2010) at java.awt.Component.dispatchEventImpl(Component.java:4021) at java.awt.Container.dispatchEventImpl(Container.java:2068) at java.awt.Component.dispatchEvent(Component.java:3869) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4256) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3936) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3866) at java.awt.Container.dispatchEventImpl(Container.java:2054) at java.awt.Window.dispatchEventImpl(Window.java:1774) at java.awt.Component.dispatchEvent(Component.java:3869) [catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:463) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
Reproducible? I guess not. From stack trace it looks like older version of source, there is empty line on line 330 now. Anyway I remember fixing NPE in updateContext, co I'm closing with worksforme. If reproducible with fresh build, please reopen and add current stack trace.