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Likely caused by my fix for bug 319621. Haven't reproduced it in my inner yet but am seeing it in my logs for my inner. Eclipse appears to continue to function. java.lang.NullPointerException at org.eclipse.e4.ui.workbench.renderers.swt.ContributionRecord.updateVisibility(ContributionRecord.java:68) at org.eclipse.e4.ui.workbench.renderers.swt.MenuManagerRenderer$6.changed(MenuManagerRenderer.java:447) at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:109) at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:298) at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:312) at org.eclipse.e4.core.internal.contexts.EclipseContext.deactivate(EclipseContext.java:613) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.clearContext(PartRenderingEngine.java:853) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeRemoveGui(PartRenderingEngine.java:838) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$3(PartRenderingEngine.java:761) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$8.run(PartRenderingEngine.java:756) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.removeGui(PartRenderingEngine.java:741) at org.eclipse.ui.internal.WorkbenchWindow.hardClose(WorkbenchWindow.java:1493) at org.eclipse.ui.internal.WorkbenchWindow.busyClose(WorkbenchWindow.java:1147) at org.eclipse.ui.internal.WorkbenchWindow.access$15(WorkbenchWindow.java:1126) at org.eclipse.ui.internal.WorkbenchWindow$8.run(WorkbenchWindow.java:1173) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchWindow.close(WorkbenchWindow.java:1171) at org.eclipse.ui.internal.Workbench$14.run(Workbench.java:1083) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.Workbench.busyClose(Workbench.java:1066) at org.eclipse.ui.internal.Workbench.access$15(Workbench.java:978) at org.eclipse.ui.internal.Workbench$15.run(Workbench.java:1159) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.Workbench.close(Workbench.java:1157) at org.eclipse.ui.internal.Workbench.restart(Workbench.java:2229) at org.eclipse.ui.internal.handlers.RestartWorkbenchHandler.execute(RestartWorkbenchHandler.java:31) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293) at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:68) at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:228) at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:209) at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:123) at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:161) at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:717) at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.handleWidgetSelection(HandledContributionItem.java:622) at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.access$6(HandledContributionItem.java:606) at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem$3.handleEvent(HandledContributionItem.java:565) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:977) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:893) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:91) at org.eclipse.ui.internal.Workbench$3.run(Workbench.java:565) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:520) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) 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:352) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:624) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:579) at org.eclipse.equinox.launcher.Main.run(Main.java:1433) at org.eclipse.equinox.launcher.Main.main(Main.java:1409)
*** Bug 365236 has been marked as a duplicate of this bug. ***
From my analysis, it seems that a part's menu is having its visibility updated after its reference has already been removed in the renderer. Popup menus are also having separate RunAndTracks created for them when this is unnecessary. I have added the null guard as well as removed popup menus from having their visibility states tracked. http://git.eclipse.org/c/platform/eclipse.platform.ui.git/commit/?id=759356e4fcfe75efa052844121ca14147e60d257 http://git.eclipse.org/c/platform/eclipse.platform.ui.git/commit/?id=f8ace3f84b28359a16c8f05537c05ef643d8211e http://git.eclipse.org/c/platform/eclipse.platform.ui.git/commit/?id=44eeed23c97b0bbc55f4c767363d25c565e89bd6
The changes for bug 319621 has been reverted.
