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Bug 340156

Summary: CCE thrown when changing renderers for an MPartStack
Product: [Eclipse Project] e4 Reporter: Remy Suen <remy.suen>
Component: UIAssignee: Eric Moffatt <emoffatt>
Status: RESOLVED FIXED QA Contact: Eric Moffatt <emoffatt>
Severity: major    
Priority: P3    
Version: unspecified   
Target Milestone: 4.1 M7   
Hardware: All   
OS: All   
Whiteboard:
Attachments:
Description Flags
Swap the assignment until after the renderer check is done none

Description Remy Suen CLA 2011-03-16 09:36:20 EDT 
I launched the photo demo after implementing my own renderer for an MPartStack and got a CCE on startup.

java.lang.ClassCastException: org.eclipse.e4.ui.workbench.renderers.swt.TabFolderPartStackRenderer incompatible with org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer
	at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer$1.handleEvent(LazyStackRenderer.java:60)
	at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:41)
	at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:179)
	at org.eclipse.swt.widgets.Display.syncExec(Display.java:4668)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:172)
	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:380)
	at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:171)
	at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:282)
	at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:237)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:502)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:477)
	at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:105)
	at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer$3.handleEvent(ContributedPartRenderer.java:210)
	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.Widget.sendEvent(Widget.java:1077)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1058)
	at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1444)
	at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:2823)
	at org.eclipse.swt.widgets.Widget.wmSetFocus(Widget.java:2403)
	at org.eclipse.swt.widgets.Control.WM_SETFOCUS(Control.java:5135)
	at org.eclipse.swt.widgets.Tree.WM_SETFOCUS(Tree.java:6986)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4581)
	at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:5886)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4957)
	at org.eclipse.swt.internal.win32.OS.SetFocus(Native Method)
	at org.eclipse.swt.widgets.Control.forceFocus(Control.java:1089)
	at org.eclipse.swt.widgets.Control.setFocus(Control.java:3290)
	at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1040)
	at org.eclipse.e4.demo.e4photo.Library.setFocus(Library.java:203)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:618)
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:226)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:203)
	at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:101)
	at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer$1.setFocus(ContributedPartRenderer.java:77)
	at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1038)
	at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1038)
	at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1038)
	at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1038)
	at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1038)
	at org.eclipse.swt.widgets.Composite.setFocus(Composite.java:1038)
	at org.eclipse.swt.widgets.Shell.open(Shell.java:1245)
	at org.eclipse.e4.ui.workbench.renderers.swt.WBWRenderer.postProcess(WBWRenderer.java:591)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:536)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:597)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:809)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:768)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:87)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Application.start(E4Application.java:135)
	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:79)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:618)
	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)
Comment 1 Eric Moffatt CLA 2011-03-16 15:15:55 EDT 
Created attachment 191339 [details]
Swap the assignment until after the renderer check is done
Comment 2 Remy Suen CLA 2011-03-28 10:31:31 EDT 
Looks like Eric has fixed this.