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Bug 426336 - [Trim] NPE in TrimStack.showStack when trying to restore open fast view stack
Summary: [Trim] NPE in TrimStack.showStack when trying to restore open fast view stack
Status: CLOSED DUPLICATE of bug 424489
Alias: None
Product: Platform
Classification: Eclipse Project
Component: UI (show other bugs)
Version: 4.4   Edit
Hardware: PC Windows 7
: P3 major (vote)
Target Milestone: 4.4 M5   Edit
Assignee: Platform UI Triaged CLA
QA Contact: Eric Moffatt CLA
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-01-22 06:54 EST by Markus Keller CLA
Modified: 2014-01-22 10:27 EST (History)
2 users (show)

See Also:

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Description Markus Keller CLA 2014-01-22 06:54:27 EST 
4.4.0.I20140121-2000

New workspace, close Welcome, minimize Package Explorer, click the Package Explorer icon, click Restore (in fast view bar or in the view toolbar).

=> NPE in log, fast view bar doesn't go away, all fast view buttons stay pressed

!ENTRY org.eclipse.e4.ui.workbench 4 0 2014-01-22 12:49:49.112
!MESSAGE Error disposing widget for : org.eclipse.e4.ui.model.application.ui.menu.impl.ToolControlImpl
!STACK 0
java.lang.NullPointerException
        at org.eclipse.e4.ui.workbench.addons.minmax.TrimStack.showStack(TrimStack.java:953)
        at org.eclipse.e4.ui.workbench.addons.minmax.TrimStack$9.widgetDisposed(TrimStack.java:528)
        at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:123)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
        at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4351)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
        at org.eclipse.swt.widgets.Widget.release(Widget.java:816)
        at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:874)
        at org.eclipse.swt.widgets.Canvas.releaseChildren(Canvas.java:165)
        at org.eclipse.swt.widgets.Widget.release(Widget.java:819)
        at org.eclipse.swt.widgets.Widget.dispose(Widget.java:454)
        at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.disposeWidget(SWTPartRenderer.java:168)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeRemoveGui(PartRenderingEngine.java:908)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$3(PartRenderingEngine.java:837)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$8.run(PartRenderingEngine.java:832)
        at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.removeGui(PartRenderingEngine.java:817)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$1.handleEvent(PartRenderingEngine.java:154)
        at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:41)
        at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:185)
        at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
        at org.eclipse.swt.widgets.Display.syncExec(Display.java:4712)
        at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:208)
        at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:38)
        at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197)
        at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)
        at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)
        at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
        at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
        at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)
        at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)
        at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)
        at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:80)
        at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:58)
        at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)
        at org.eclipse.e4.ui.model.application.ui.impl.UIElementImpl.setToBeRendered(UIElementImpl.java:290)
        at org.eclipse.e4.ui.workbench.addons.minmax.TrimStack.restoreStack(TrimStack.java:854)
        at org.eclipse.e4.ui.workbench.addons.minmax.MinMaxAddon.restore(MinMaxAddon.java:602)
        at org.eclipse.e4.ui.workbench.addons.minmax.MinMaxAddon.subscribeTopicTagsChanged(MinMaxAddon.java:356)
        at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
        at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler$1.run(UIEventObjectSupplier.java:49)
        at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:185)
        at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
        at org.eclipse.swt.widgets.Display.syncExec(Display.java:4712)
        at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:208)
        at org.eclipse.e4.ui.internal.di.UIEventObjectSupplier$UIEventHandler.handleEvent(UIEventObjectSupplier.java:47)
        at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197)
        at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)
        at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)
        at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
        at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
        at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)
        at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)
        at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)
        at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:80)
        at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:58)
        at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)
        at org.eclipse.emf.ecore.util.EcoreEList.dispatchNotification(EcoreEList.java:249)
        at org.eclipse.emf.common.notify.impl.NotifyingListImpl.remove(NotifyingListImpl.java:725)
        at org.eclipse.emf.common.util.AbstractEList.remove(AbstractEList.java:462)
        at org.eclipse.e4.ui.workbench.addons.minmax.TrimStack$11.widgetSelected(TrimStack.java:578)
        at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
        at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4351)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1122)
        at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
        at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1006)
        at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:146)
        at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:612)
        at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
        at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:565)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
        at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:125)
        at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:109)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:80)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:372)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:226)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
        at org.eclipse.equinox.launcher.Main.main(Main.java:1426)
Comment 1 Dani Megert CLA 2014-01-22 08:16:40 EST 
Caused by fix for bug 424489.
Comment 2 Eric Moffatt CLA 2014-01-22 10:27:03 EST 
I'll mark this as a DUP and do the commit on the original defect...

*** This bug has been marked as a duplicate of bug 424489 ***