I added an entry to jboss-web.xml, but still get errors below. Help Please ;) <jboss-web> <class-loading java2ClassLoadingCompliance="true"> <loader-repository> com.example:archive=petersLoader <loader-repository-config>java2ParentDelegation=false</loader-repository-config> </loader-repository> </class-loading> </jboss-web> 12:25:04,853 INFO [http] WSSERVLET12: JAX-WS context listener initializing 12:25:05,462 SEVERE [http] WSSERVLET11: failed to parse runtime descriptor: java.lang.LinkageError: loader constraint violation: when resolving field "DATETIME" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the referring class, javax/xml/datatype/DatatypeConstants, and the class loader (instance of ) for the field's resolved type, javax/xml/namespace/QName, have different Class objects for that type java.lang.LinkageError: loader constraint violation: when resolving field "DATETIME" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the referring class, javax/xml/datatype/DatatypeConstants, and the class loader (instance of ) for the field's resolved type, javax/xml/namespace/QName, have different Class objects for that type at com.sun.xml.bind.v2.model.impl.RuntimeBuiltinLeafInfoImpl.(RuntimeBuiltinLeafInfoImpl.java:224) at com.sun.xml.bind.v2.model.impl.RuntimeTypeInfoSetImpl.(RuntimeTypeInfoSetImpl.java:61) at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.createTypeInfoSet(RuntimeModelBuilder.java:127) at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.createTypeInfoSet(RuntimeModelBuilder.java:79) at com.sun.xml.bind.v2.model.impl.ModelBuilder.(ModelBuilder.java:152) View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4266615#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...