Bug 320789

Description Reto Urfer 2010-07-24 04:36:16 EDT

When i try to activate the popup menu on an item in the "Context Menu View" of the SimpleIDE example application i always get the following exception:

!ENTRY org.eclipse.e4.ui.workbench 4 0 2010-07-24 10:28:13.028
!MESSAGE Internal Error
!STACK 0
java.lang.NullPointerException
	at org.eclipse.e4.ui.workbench.renderers.swt.HandledMenuItemRenderer.generateParameterizedCommand(HandledMenuItemRenderer.java:173)
	at org.eclipse.e4.ui.workbench.renderers.swt.HandledMenuItemRenderer.createWidget(HandledMenuItemRenderer.java:74)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:612)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:403)
	at org.eclipse.e4.ui.workbench.swt.modeling.MenuServiceFilter.render(MenuServiceFilter.java:235)
	at org.eclipse.e4.ui.workbench.swt.modeling.MenuServiceFilter.showPopup(MenuServiceFilter.java:229)
	at org.eclipse.e4.ui.workbench.swt.modeling.MenuServiceFilter.handleContextMenu(MenuServiceFilter.java:169)
	at org.eclipse.e4.ui.workbench.swt.modeling.MenuServiceFilter.handleEvent(MenuServiceFilter.java:101)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1253)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1052)
	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.Control.WM_INITMENUPOPUP(Control.java:4485)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4188)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
	at org.eclipse.swt.widgets.Decorations.windowProc(Decorations.java:1598)
	at org.eclipse.swt.widgets.Shell.windowProc(Shell.java:2038)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4873)
	at org.eclipse.swt.internal.win32.OS.TrackPopupMenu(Native Method)
	at org.eclipse.swt.widgets.Menu._setVisible(Menu.java:256)
	at org.eclipse.swt.widgets.Display.runPopups(Display.java:4107)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3651)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:713)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:633)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:106)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Application.start(E4Application.java:124)
	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:369)
	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: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:619)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1383)


This always happens when the MenuContributions defined at the end of the contextViewMenuFragment.e4xmi should be rendered. The item does not contain any command though one has been associated in the model and this one is also defined there.

So it seems that when the model is loaded the commands are not properly associated the the defined MenuContributions.