java.lang.LinkageError JAXB 2.0

Bonjour,
je viens de générer un client WS avec myEclipse 7.0
framework JAX-WS

La generation se passe bien
Mais la je suis surpris de pas trouver un main
Bon je la fais moi meme
et la en executant j'ai l'erreur :

Citation:

Exception in thread "main" java.lang.LinkageError: JAXB 2.0 API is being loaded from the bootstrap classloader, but this RI (from jar:file .../AppData/Local/Genuitec/Common/plugins/com.genuitec.eclipse.ws.xfire_7.0.0.zmyeclipse70020081206/lib/webservices-rt.jar!/com/sun/xml/bind/v2/model/impl/ModelBuilder.class) needs 2.1 API. Use the endorsed directory mechanism to place jaxb-api.jar in the bootstrap classloader. (See http://java.sun.com/j2se/1.5.0/docs/guide/standards/)
at com.sun.xml.bind.v2.model.impl.ModelBuilder.<clinit>(ModelBuilder.java:173)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getTypeInfoSet(JAXBContextImpl.java:422)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:286)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:139)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:117)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:210)
at javax.xml.bind.ContextFinder.find(ContextFinder.java:368)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:574)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:522)
at com.sun.xml.ws.spi.ProviderImpl$2.run(ProviderImpl.java:220)
at com.sun.xml.ws.spi.ProviderImpl$2.run(ProviderImpl.java:218)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.xml.ws.spi.ProviderImpl.getEPRJaxbContext(ProviderImpl.java:217)
at com.sun.xml.ws.spi.ProviderImpl.<clinit>(ProviderImpl.java:88)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at javax.xml.ws.spi.FactoryFinder.newInstance(FactoryFinder.java:36)
at javax.xml.ws.spi.FactoryFinder.find(FactoryFinder.java:95)
at javax.xml.ws.spi.Provider.provider(Provider.java:76)
at javax.xml.ws.Service.<init>(Service.java:57)

... at tests.svc4.Svc4Client.main(Svc4Client.java:22)

Merci pour votre aide.