Bug 364395

Description Danny Staple 2011-11-21 12:30:32 EST

Build Identifier: 

This has happened more than one. Closing a file (a python unit test which had been run and finished) causes six NPEs. The top one has the following info:


null
Error
Mon Nov 21 17:23:16 GMT 2011
Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench".

java.lang.NullPointerException
	at org.eclipse.swt.widgets.MenuItem.getAccelGroup(MenuItem.java:316)
	at org.eclipse.swt.widgets.MenuItem.setEnabled(MenuItem.java:657)
	at org.eclipse.jface.action.ActionContributionItem.update(ActionContributionItem.java:950)
	at org.eclipse.jface.action.ActionContributionItem.actionPropertyChange(ActionContributionItem.java:176)
	at org.eclipse.jface.action.ActionContributionItem.access$0(ActionContributionItem.java:170)
	at org.eclipse.jface.action.ActionContributionItem$2.propertyChange(ActionContributionItem.java:137)
	at org.eclipse.jface.action.AbstractAction.firePropertyChange(AbstractAction.java:48)
	at org.eclipse.jface.action.AbstractAction.firePropertyChange(AbstractAction.java:71)
	at org.eclipse.jface.action.Action.setEnabled(Action.java:577)
	at org.eclipse.egit.ui.internal.actions.RepositoryAction.selectionChanged(RepositoryAction.java:102)
	at org.eclipse.ui.internal.PluginAction.refreshEnablement(PluginAction.java:206)
	at org.eclipse.ui.internal.PluginAction.selectionChanged(PluginAction.java:277)
	at org.eclipse.ui.internal.ObjectPluginAction.partClosed(ObjectPluginAction.java:49)
	at org.eclipse.ui.internal.PartListenerList2$3.run(PartListenerList2.java:100)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.runtime.Platform.run(Platform.java:888)
	at org.eclipse.ui.internal.PartListenerList2.fireEvent(PartListenerList2.java:55)
	at org.eclipse.ui.internal.PartListenerList2.firePartClosed(PartListenerList2.java:98)
	at org.eclipse.ui.internal.PartService.firePartClosed(PartService.java:227)
	at org.eclipse.ui.internal.WorkbenchPagePartList.firePartClosed(WorkbenchPagePartList.java:39)
	at org.eclipse.ui.internal.PartList.partClosed(PartList.java:274)
	at org.eclipse.ui.internal.PartList.removePart(PartList.java:186)
	at org.eclipse.ui.internal.WorkbenchPage.disposePart(WorkbenchPage.java:1796)
	at org.eclipse.ui.internal.WorkbenchPage.handleDeferredEvents(WorkbenchPage.java:1501)
	at org.eclipse.ui.internal.WorkbenchPage.deferUpdates(WorkbenchPage.java:1485)
	at org.eclipse.ui.internal.WorkbenchPage.closeEditors(WorkbenchPage.java:1459)
	at org.eclipse.ui.internal.WorkbenchPage.closeEditor(WorkbenchPage.java:1514)
	at org.eclipse.ui.internal.EditorPane.doHide(EditorPane.java:61)
	at org.eclipse.ui.internal.PartStack.close(PartStack.java:537)
	at org.eclipse.ui.internal.EditorStack.close(EditorStack.java:206)
	at org.eclipse.ui.internal.PartStack$1.close(PartStack.java:120)
	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:83)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:269)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:278)
	at org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder.access$1(DefaultTabFolder.java:1)
	at org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder$1.closeButtonPressed(DefaultTabFolder.java:71)
	at org.eclipse.ui.internal.presentations.PaneFolder.notifyCloseListeners(PaneFolder.java:631)
	at org.eclipse.ui.internal.presentations.PaneFolder$3.close(PaneFolder.java:206)
	at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1598)
	at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:261)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3588)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3209)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	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:597)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)



Reproducible: Didn't try

Steps to Reproduce:
1.Have a few file open (working for some time)
2.Close a number of files
3.NPE