Exception lors de l'exécution d'une application RCP

Bonjour la liste,

Je débute sous Eclipse RCP. Mon IDE est eclipse 3.4(Ganymede). J'ai importé dans mon worskpace l'application exemple rcpmail, seulement lorsque je lance l'écécution via le fichier plugin.xml j'obtiens l'erreur suivante

Code:

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!SESSION 2008-10-21 16:01:07.682 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.6.0_03
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=fr_FR
Framework arguments:  -application org.rcpmail.application
Command-line arguments:  -application org.rcpmail.application -data /home/carole/workspace/../runtime-org.eclipse.ui.tutorials.rcp.part1.application -dev file:/home/carole/workspace/.metadata/.plugins/org.eclipse.pde.core/org.eclipse.ui.tutorials.rcp.part1.application/dev.properties -os linux -ws gtk -arch x86
 
!ENTRY org.eclipse.osgi 4 0 2008-10-21 16:01:08.740
!MESSAGE Application error
!STACK 1
java.lang.RuntimeException: Application "org.rcpmail.application" could not be found in the registry. The applications available are: org.eclipse.equinox.app.error.
	at org.eclipse.equinox.internal.app.EclipseAppContainer.startDefaultApp(EclipseAppContainer.java:242)
	at org.eclipse.equinox.internal.app.MainApplicationLauncher.run(MainApplicationLauncher.java:29)
	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:386)
	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:549)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1236)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1212)

Thanks.