Bonjour à tous,

J'aimerais pouvoir exécuter plusieurs Eclipse à la fois mais apparemment, chez moi ça ne fonctionne pas.

J'ai installé plusieurs versions d'Eclipse dont le premier est Eclipse Helios 3.6.

Lorsque je lance une version d'Eclipse qui n'est pas le premier, j'ai le message d'erreur suivant:
An error has occured. See the log file (voir plus bas pour le log)
J'ai déjà essayé de lancer Eclipse en précisant un workspace différent à utiliser (option -data) mais cela ne fonctionne pas.
Et j'ai essayé avec plusieurs autres versions et packages (Galileo, Europa) et j'ai à chaque fois le même problème, comme si mon premier Eclipse m'interdisait d'en lancer d'autres.

Quelqu'un aurait une idée de comment résoudre mon problème ?
!SESSION 2012-04-04 12:13:34.289 -----------------------------------------------
eclipse.buildId=M20110210-1200
java.version=1.6.0_21
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=fr_BE
Command-line arguments: -os win32 -ws win32 -arch x86 -clean

!ENTRY org.eclipse.equinox.simpleconfigurator 4 0 2012-04-04 12:13:34.863
!MESSAGE
!STACK 0
org.osgi.framework.BundleException: Exception in org.eclipse.equinox.internal.simpleconfigurator.Activator.start() of bundle org.eclipse.equinox.simpleconfigurator.
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:806)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:374)
at org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1067)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:561)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:546)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:459)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:440)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227)
at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:337)
Caused by: java.lang.IllegalStateException: The System Bundle was updated. The framework must be restarted to finalize the configuration change
at org.eclipse.equinox.internal.simpleconfigurator.ConfigApplier.install(ConfigApplier.java:71)
at org.eclipse.equinox.internal.simpleconfigurator.SimpleConfiguratorImpl.applyConfiguration(SimpleConfiguratorImpl.java:129)
at org.eclipse.equinox.internal.simpleconfigurator.SimpleConfiguratorImpl.applyConfiguration(SimpleConfiguratorImpl.java:143)
at org.eclipse.equinox.internal.simpleconfigurator.Activator.start(Activator.java:48)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
... 11 more
Root exception:
java.lang.IllegalStateException: The System Bundle was updated. The framework must be restarted to finalize the configuration change
at org.eclipse.equinox.internal.simpleconfigurator.ConfigApplier.install(ConfigApplier.java:71)
at org.eclipse.equinox.internal.simpleconfigurator.SimpleConfiguratorImpl.applyConfiguration(SimpleConfiguratorImpl.java:129)
at org.eclipse.equinox.internal.simpleconfigurator.SimpleConfiguratorImpl.applyConfiguration(SimpleConfiguratorImpl.java:143)
at org.eclipse.equinox.internal.simpleconfigurator.Activator.start(Activator.java:48)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:374)
at org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1067)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:561)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:546)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:459)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:440)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:227)
at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:337)

!ENTRY org.eclipse.osgi 4 0 2012-04-04 12:13:34.867
!MESSAGE Bundle org.eclipse.equinox.simpleconfigurator_1.0.200.v20100503 [2] is not active.

!ENTRY org.eclipse.osgi 2 0 2012-04-04 12:13:34.873
!MESSAGE The following is a complete list of bundles which are not resolved, see the prior log entry for the root cause if it exists:
!SUBENTRY 1 org.eclipse.osgi 2 0 2012-04-04 12:13:34.873
!MESSAGE Bundle org.eclipse.osgi_3.6.2.R36x_v20110210 [1] was not resolved.
!SUBENTRY 2 org.eclipse.osgi 2 0 2012-04-04 12:13:34.874
!MESSAGE Another singleton version selected: org.eclipse.osgi_3.6.1.R36x_v20100806

!ENTRY org.eclipse.osgi 4 0 2012-04-04 12:13:34.877
!MESSAGE Application error
!STACK 1
java.lang.IllegalStateException: Unable to acquire application service. Ensure that the org.eclipse.core.runtime bundle is resolved and started (see config.ini).
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:74)
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:620)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
at org.eclipse.equinox.launcher.Main.main(Main.java:1384)
Merci d'avance pour votre aide.