Mixed Mode and E4 Command/Handler Error [message #1090959] |
Tue, 20 August 2013 22:19 |
Santhosh Kumar Messages: 44 Registered: March 2011 |
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We have requirement to use 3.x views (for example, CNF) in 4.x app so we are using the "Mixed mode" as explained in http://dirksmetric.wordpress.com/2012/08/01/tutorial-eclipse-rcp-e4-with-3-x-views-like-project-explorer-properties-etc/
I have created the Application.e4xmi model with Controls and integrated 3.x CNF view along with pure E4 view and it is working.
In the application model file, I have defined a command and linked with a handler. But this is not working as when I try to run I'm getting following error. From the error it looks like, it is expecting the handler to be in 3.x design (implementing IHandler) but I thought as pure E4 view is working, pure E4 command/handler should be working as well. What am I missing?
Thank you for your help.
!ENTRY org.eclipse.ui 4 4 2013-08-20 15:16:12.339
!MESSAGE The proxied handler was the wrong class
!ENTRY org.eclipse.ui 4 0 2013-08-20 15:16:12.342
!MESSAGE The proxied handler was the wrong class
!STACK 0
java.lang.ClassCastException: com.test.core.handler.NewConnectionHandler cannot be cast to org.eclipse.core.commands.IHandler
at org.eclipse.ui.internal.handlers.HandlerProxy.loadHandler(HandlerProxy.java:347)
at org.eclipse.ui.internal.handlers.HandlerProxy.setEnabled(HandlerProxy.java:230)
at org.eclipse.ui.internal.handlers.E4HandlerProxy.canExecute(E4HandlerProxy.java:71)
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:601)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:243)
at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:224)
at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.isEnabled(HandlerServiceHandler.java:55)
at org.eclipse.core.commands.Command.isEnabled(Command.java:862)
at org.eclipse.ui.internal.handlers.LegacyHandlerService.registerLegacyHandler(LegacyHandlerService.java:162)
at org.eclipse.ui.internal.handlers.LegacyHandlerService.readDefaultHandlers(LegacyHandlerService.java:722)
at org.eclipse.ui.internal.handlers.LegacyHandlerService.readRegistry(LegacyHandlerService.java:635)
at org.eclipse.ui.internal.Workbench$48.runWithException(Workbench.java:2257)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
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:4688)
at org.eclipse.ui.internal.StartupThreading.runWithoutExceptions(StartupThreading.java:94)
at org.eclipse.ui.internal.Workbench.initializeDefaultServices(Workbench.java:2252)
at org.eclipse.ui.internal.Workbench.init(Workbench.java:1550)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2702)
at org.eclipse.ui.internal.Workbench.access$7(Workbench.java:2591)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:608)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at com.test.core.Application.start(Application.java:21)
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:354)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
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:601)
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)
[Updated on: Tue, 20 August 2013 22:19] Report message to a moderator
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