While migrating to resteasy-jaxrs-2.1.0.GA.jar to resteasy-jaxrs-3.0.12-Final. jar by using jetty 6.1.11 getting exception like : org.jboss.resteasy.plugins.providers.jaxb.JAXBMarshalException: A valid XmlRegistry could not be located ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Key: ISPN-7497 URL: https://issues.jboss.org/browse/ISPN-7497 Project: Infinispan Issue Type: Enhancement Reporter: Mahendra B Priority: Critical We are migrating resteasy jaxrs jars from 2.1.0 GA to 3.0.12.-Final. when we are trying to run the application, we are getting " org.jboss.resteasy.plugins.providers.jaxb.JAXBMarshalException: A valid XmlRegistry could not be located". We are Jetty 6.1.11.