Bug 375194

Description Missing name 2012-03-23 11:32:02 EDT

Build Identifier: Juno M6 (Version: 4.2.0 Build id: I20120315-1300)

I got the following error when moving Part.


http://www.eclipse.org/forums/index.php/m/827428/#msg_827428

Related Bug :
https://bugs.eclipse.org/bugs/show_bug.cgi?id=345343

--

!ENTRY org.eclipse.ui 4 0 2012-03-21 15:34:41.041
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.ClassCastException: 
org.eclipse.e4.ui.model.application.ui.advanced.impl.PerspectiveImpl cannot 
be cast to 
org.eclipse.e4.ui.model.application.ui.basic.MPartSashContainerElement
at 
org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.insert(ModelServiceImpl.java:564)
at 
org.eclipse.e4.ui.workbench.addons.dndaddon.SplitDropAgent.dock(SplitDropAgent.java:331)
at 
org.eclipse.e4.ui.workbench.addons.dndaddon.SplitDropAgent.drop(SplitDropAgent.java:161)
at 
org.eclipse.e4.ui.workbench.addons.dndaddon.DragAgent.dragFinished(DragAgent.java:159)
at 
org.eclipse.e4.ui.workbench.addons.dndaddon.PartDragAgent.dragFinished(PartDragAgent.java:105)
at 
org.eclipse.e4.ui.workbench.addons.dndaddon.DnDManager.finishDrag(DnDManager.java:238)
at 
org.eclipse.e4.ui.workbench.addons.dndaddon.DnDManager.startDrag(DnDManager.java:203)
at 
org.eclipse.e4.ui.workbench.addons.dndaddon.DnDManager$1.dragDetected(DnDManager.java:83)
at 
org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:127)
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:1015)
at 
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at 
org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:909)
at 
org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:85)
at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:580)
at 
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at 
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:535)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at se.highex.dmon.Application.start(Application.java:75)
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:353)
at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
at org.eclipse.equinox.launcher.Main.main(Main.java:1414)

Reproducible: Always

Steps to Reproduce:
1.
I created e4 Application Project. All settings are default.

2.
Added DnD Addon to Application.e4xmi and set the dependency to org.eclipse.e4.ui.workbench.addons.swt.

3.
Added two Parts (Part1, Part2) to Application.e4xmi.
PartSashContainer > PartStack > (Part1 & Part2)
Created corresponding classes for Parts.

4.
Run the Product.

Separate Parts (No Error).
Put back the Part(No Error).
Separate Parts(Got Error).