[news.eclipse.platform] Launching eclipse ganymede - "No application id

[Lucas Satabin <lucas.satabin@xxxxxxxxx>]

Hello everybody,

I am facing a strange problem : I switched from Europa to Ganymede and
everything worked fine. But since the beginning of the week, I can not
launch eclipse anymore. In the log file I can see this :

!ENTRY org.eclipse.osgi 4 0 2008-07-23 18:34:56.514
!MESSAGE Application error
!STACK 1
java.lang.RuntimeException: No application id has been found.
   at
org.eclipse.equinox.internal.app.EclipseAppContainer.startDefaultApp(EclipseAppContainer.java:236)
   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:382)
   at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
   at java.lang.reflect.Method.invoke(libgcj.so.90)
   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)

I didn't find any solution for this on internet, and I also reinstalled
a new package (classic) but the problem still persists.
Does anybody have any idea of the solution?
Thanks in advance

Lucas