J'essaye de créer un webservice avec JAX-WS mais je me heurte à cette erreur quand je demarre Tomcat et que je n'arrive pas à résoudre....

J'utilise
jdk1.6.0_03
apache-tomcat-5.5.27
JAXWS 2.1.5


INFO: WSSERVLET12: JAX-WS context listener initializing
13 dÚc. 2008 23:40:55 com.sun.xml.ws.model.RuntimeModeler getRequestWrapperClass
INFO: Dynamically creating request wrapper Class ws.jaxws.Hello
13 dÚc. 2008 23:40:56 com.sun.xml.ws.model.RuntimeModeler getResponseWrapperClass
INFO: Dynamically creating response wrapper bean Class ws.jaxws.HelloResponse
13 dÚc. 2008 23:40:56 com.sun.xml.ws.transport.http.servlet.WSServletContextListener contextInitialized
GRAVE: WSSERVLET11: failed to parse runtime descriptor: java.lang.LinkageError: JAXB 2.0 API is being loaded from the bootstrap classloader, but this RI (from j
ar:file:/D:/Dev/apache-tomcat-5.5.27/webapps/Spring2.5/WEB-INF/lib/jaxb-impl.jar!/com/sun/xml/bind/v2/model/impl/ModelBuilder.class) needs 2.1 API. Use the endo
rsed directory mechanism to place jaxb-api.jar in the bootstrap classloader. (See http://java.sun.com/j2se/1.5.0/docs/guide/standards/)
java.lang.LinkageError: JAXB 2.0 API is being loaded from the bootstrap classloader, but this RI (from jar:file:/D:/Dev/apache-tomcat-5.5.27/webapps/Spring2.5/W
EB-INF/lib/jaxb-impl.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 bo
otstrap 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:432)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:297)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:139)
at com.sun.xml.bind.api.JAXBRIContext.newInstance(JAXBRIContext.java:105)
J'ai bien essayé de copier jaxb-api.jar dans le lib/endorsed du jdk mais ca ne change rien