Erreur lancement BIScheduler et autres

Plusieurs applications Vanilla ne se lance pas après installation :

Log eclipse :
!SESSION 2009-06-02 13:38:04.784 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.5.0_08
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=fr_CH
Command-line arguments: -os win32 -ws win32 -arch x86

!ENTRY org.eclipse.core.runtime 2 0 2009-06-02 13:38:06.534
!MESSAGE Authorization infrastructure (org.eclipse.core.runtime.compatibility.auth) not installed.
!STACK 0
java.lang.NoClassDefFoundError: org/eclipse/core/internal/runtime/auth/AuthorizationHandler
 at org.eclipse.core.internal.runtime.InternalPlatform.initializeAuthorizationHandler(InternalPlatform.java:603)
 at org.eclipse.core.internal.runtime.InternalPlatform.start(InternalPlatform.java:745)
 at org.eclipse.core.internal.runtime.PlatformActivator.start(PlatformActivator.java:31)
 at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:999)
 at java.security.AccessController.doPrivileged(Native Method)
 at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:993)
 at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:974)
 at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:346)
 at org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:350)
 at org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1118)
 at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:634)
 at org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:508)
 at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:282)
 at org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:468)
 at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:195)
 at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:297)

!ENTRY org.eclipse.osgi 4 0 2009-06-02 13:38:14.268
!MESSAGE Application error
!STACK 1
org.eclipse.core.runtime.CoreException: Plug-in Scheduler_Client was unable to load class bpm.sched.client.Application.
 at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.throwException(RegistryStrategyOSGI.java:180)
 at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:164)
 at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:788)
 at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
 at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
 at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:165)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
 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:585)
 at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508)
 at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
 at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
org.eclipse.core.runtime.CoreException[1]: java.lang.UnsupportedClassVersionError: Bad version number in .class file
 at java.lang.ClassLoader.defineClass1(Native Method)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
 at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.java:161)
 at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:501)
 at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:471)
 at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:430)
 at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:413)
 at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
 at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:340)
 at org.eclipse.osgi.framework.internal.core.BundleLoader.findClassInternal(BundleLoader.java:408)
 at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:369)
 at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:357)
 at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
 at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:289)
 at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
 at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1269)
 at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:160)
 at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:788)
 at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
 at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
 at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:165)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
 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:585)
 at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508)
 at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
 at org.eclipse.equinox.launcher.Main.run(Main.java:1173)