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Home » Eclipse Projects » Eclipse 4 » InjectionException when creating new window
InjectionException when creating new window [message #1727633] Thu, 24 March 2016 14:54 Go to next message
ryan roach is currently offline ryan roachFriend
Messages: 2
Registered: March 2016
Junior Member
I am trying to launch a perspective in a new window. The main window is an MTrimmedWindow and the new window that will open is an MWindow. Whenever the new window opens, however, I get an InjectionException. I am trying to open the new window like this:

        final IEclipseContext context = originalWindow.getContext();
        final MApplication application = context.get(MApplication.class);
        final MWindow newWindow = MBasicFactory.INSTANCE.createWindow();
        application.getChildren().add(newWindow);
        final EPartService partService = application.getContext().get(EPartService.class);
        final MPlaceholder placeholderPart = partService.createSharedPart(gadgetId);
        final MPerspective perspective = createPerspectiveWithPlaceHolder(PERSPECTIVE_ID, placeholderPart);
        final MPerspectiveStack perspectiveStack = AdvancedFactoryImpl.eINSTANCE.createPerspectiveStack();
        perspectiveStack.getChildren().add(perspective);
        newWindow.getChildren().add(perspectiveStack);


Here is the stack trace I'm seeing:
!MESSAGE Exception while dispatching event org.osgi.service.event.Event [topic=org/eclipse/e4/ui/model/ui/ElementContainer/selectedElement/SET] to handler org.eclipse.e4.ui.services.internal.events.UIEventHandler
!STACK 0
org.eclipse.e4.core.di.InjectionException: org.eclipse.e4.core.di.InjectionException: Unable to process "WorkbenchWindow.model": no actual value was found for the argument "MTrimmedWindow".
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:63)
at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:88)
at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:107)
at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:318)
at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:332)
at org.eclipse.e4.core.internal.contexts.EclipseContext.activate(EclipseContext.java:630)
at org.eclipse.e4.ui.internal.workbench.PartActivationHistory.activate(PartActivationHistory.java:56)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:561)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.switchPerspective(PartServiceImpl.java:498)
at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveStackRenderer.showTab(PerspectiveStackRenderer.java:124)
at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer$1.handleEvent(LazyStackRenderer.java:67)
at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:41)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4687)
at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:187)
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:81)
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.advanced.impl.PerspectiveStackImpl.setSelectedElement(PerspectiveStackImpl.java:135)
at org.eclipse.e4.ui.model.application.ui.advanced.impl.PerspectiveStackImpl.setSelectedElement(PerspectiveStackImpl.java:1)
at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.postProcess(LazyStackRenderer.java:103)
at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveStackRenderer.postProcess(PerspectiveStackRenderer.java:77)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:646)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:732)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:703)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:697)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:682)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.handleEvent(PartRenderingEngine.java:269)
at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:41)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4687)
at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:187)
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:81)
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.addUnique(NotifyingListImpl.java:294)
at org.eclipse.emf.common.util.AbstractEList.add(AbstractEList.java:301)

Can I not have an MTrimmedWindow and an MWindow? If I change the new window to be an MTrimmedWindow as well, the exception goes away, but it breaks the rest of the application and I don't want the new window to be full screen. Any help with this issue would be greatly appreciated.

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Re: InjectionException when creating new window [message #1728044 is a reply to message #1727633] Wed, 30 March 2016 14:00 Go to previous message
ryan roach is currently offline ryan roachFriend
Messages: 2
Registered: March 2016
Junior Member
Adding the new window as a child of the original window like 
originalWindow.getWindows().add(newWindow);

gets rid of the exceptions. Unfortunately this also removes the close button from the window, so I am working on figuring out how to add the close button back now.

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