anonymous wrote : SEVERE: WSSERVLET11: failed to parse runtime descriptor: java.lang.LinkageError: JAXB 2.0 API is bei | ng loaded from the bootstrap classloader, but this RI (from jar:file:/D:/jboss-4.2.1.GA/server/defau | lt/tmp/deploy/tmp9761Venturecap-exp.war/WEB-INF/lib/jaxb-impl.jar!/com/sun/xml/bind/v2/model/impl/Mo | delBuilder.class) needs 2.1 API. Use the endorsed directory mechanism to place jaxb-api.jar in the b | ootstrap 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 (fr | om jar:file:/D:/jboss-4.2.1.GA/server/default/tmp/deploy/tmp9761Venturecap-exp.war/WEB-INF/lib/jaxb- | impl.jar!/com/sun/xml/bind/v2/model/impl/ModelBuilder.class) needs 2.1 API. Use the endorsed directo | ry mechanism to place jaxb-api.jar in the bootstrap classloader. (See http://java.sun.com/j2se/1.5.0 | /docs/guide/standards/) Try removing jaxb-impl.jar from the WEB-INF/lib of your war file. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4140880#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...