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Steps to reproduce: 1. Start Workbench Demo in Firefox for example. 2. Start Workbench Demo again in a different browser (second session), IE for example. 3. Switch the perspective from "Demo" to "Planning" with perspective switcher in the second session (IE). 4. There is an exception in the console: org.eclipse.core.commands.common.NotDefinedException: Cannot get the parent identifier from an undefined context. org.eclipse.rap.demo.actionSet at org.eclipse.core.commands.contexts.Context.getParentId(Context.java:201) at org.eclipse.jface.bindings.BindingManager.createFilteredContextTreeFor(BindingManager.java:826) at org.eclipse.jface.bindings.BindingManager.recomputeBindings(BindingManager.java:1716) at org.eclipse.jface.bindings.BindingManager.contextManagerChanged(BindingManager.java:691) at org.eclipse.core.commands.contexts.ContextManager.fireContextManagerChanged(ContextManager.java:165) at org.eclipse.core.commands.contexts.ContextManager.setEventCaching(ContextManager.java:324) at org.eclipse.core.commands.contexts.ContextManager.deferUpdates(ContextManager.java:83) at org.eclipse.ui.internal.contexts.ContextService.deferUpdates(ContextService.java:72) at org.eclipse.ui.internal.contexts.SlaveContextService.deferUpdates(SlaveContextService.java:114) at org.eclipse.ui.internal.WorkbenchPage$PerspectiveList.updateActionSets(WorkbenchPage.java:4595) at org.eclipse.ui.internal.WorkbenchPage$PerspectiveList.setActive(WorkbenchPage.java:4543) at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:3606) at org.eclipse.ui.internal.WorkbenchPage.busySetPerspective(WorkbenchPage.java:1043) at org.eclipse.ui.internal.WorkbenchPage.access$16(WorkbenchPage.java:1027) at org.eclipse.ui.internal.WorkbenchPage$19.run(WorkbenchPage.java:3709) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:66) at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:3707) at org.eclipse.ui.handlers.ShowPerspectiveHandler.openPerspective(ShowPerspectiveHandler.java:146) at org.eclipse.ui.handlers.ShowPerspectiveHandler.execute(ShowPerspectiveHandler.java:61) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:306) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508) at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:167) at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:239) at org.eclipse.ui.internal.ChangeToPerspectiveMenu.run(ChangeToPerspectiveMenu.java:96) at org.eclipse.ui.actions.PerspectiveMenu.run(PerspectiveMenu.java:355) at org.eclipse.ui.actions.OpenPerspectiveAction.runWithEvent(OpenPerspectiveAction.java:78) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:575) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:492) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:403) at org.eclipse.swt.internal.widgets.UntypedEventAdapter.dispatchEvent(UntypedEventAdapter.java:652) at org.eclipse.swt.internal.widgets.UntypedEventAdapter.widgetSelected(UntypedEventAdapter.java:88) at org.eclipse.swt.events.SelectionEvent.dispatchToObserver(SelectionEvent.java:196) at org.eclipse.rwt.internal.events.Event.processEvent(Event.java:44) at org.eclipse.swt.events.TypedEvent.processEvent(TypedEvent.java:163) at org.eclipse.swt.events.TypedEvent.executeNext(TypedEvent.java:203) at org.eclipse.swt.widgets.Display.runPendingMessages(Display.java:1130) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1120) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2733) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2694) at org.eclipse.ui.internal.Workbench.access$5(Workbench.java:2530) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:702) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:685) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:157) at org.eclipse.rap.demo.DemoWorkbench.createUI(DemoWorkbench.java:42) at org.eclipse.rwt.internal.lifecycle.EntryPointManager.createUI(EntryPointManager.java:92) at org.eclipse.rwt.internal.lifecycle.RWTLifeCycle.createUI(RWTLifeCycle.java:242) at org.eclipse.rwt.internal.lifecycle.RWTLifeCycle$UIThreadController.run(RWTLifeCycle.java:111) at java.lang.Thread.run(Thread.java:662) at org.eclipse.rwt.internal.lifecycle.UIThread.run(UIThread.java:102)
Created attachment 188034 [details] Proposed patch This patch makes ActionSetRegistry to have a session scope.
Applied patch to CVS HEAD.
