The output looks the same for IBM and Sun JDK: SUN | 11:48:24,761 TRACE [JBossXBBuilder] Checking property clazz for org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory type=java.lang.String | 11:48:24,761 TRACE [JBossXBBuilder] Checking property clazz for org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory type=java.lang.String | 11:48:24,761 TRACE [JBossXBBuilder] resolving type java.lang.String | 11:48:24,761 TRACE [JBossXBBuilder] resolving type java.lang.String | 11:48:24,761 TRACE [JBossXBBuilder] resolved type java.lang.String binding=org.jboss.xb.binding.sunday.unmarshalling.SimpleTypeBinding@feb2ea[{http://www.w3.org/2001/XMLSchema}string] | 11:48:24,761 TRACE [JBossXBBuilder] resolved type java.lang.String binding=org.jboss.xb.binding.sunday.unmarshalling.SimpleTypeBinding@feb2ea[{http://www.w3.org/2001/XMLSchema}string] | 11:48:24,761 TRACE [JBossXBBuilder] Bound attribute class type=org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory property=clazz propertyType=ReflectClassInfoImpl(a)945e31{name=java.lang.String}, normalizeSpace=false | 11:48:24,761 TRACE [JBossXBBuilder] Bound attribute class type=org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory property=clazz propertyType=ReflectClassInfoImpl(a)945e31{name=java.lang.String}, normalizeSpace=false | 11:48:24,761 TRACE [JBossXBBuilder] Ignore not element @XmlAttribute for type=org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory property=clazz | 11:48:24,761 TRACE [JBossXBBuilder] Ignore not element @XmlAttribute for type=org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory property=clazz | IBM | 12:01:04,604 TRACE [JBossXBBuilder] Checking property clazz for org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory type=java.lang.String | 12:01:04,604 TRACE [JBossXBBuilder] Checking property clazz for org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory type=java.lang.String | 12:01:04,604 TRACE [JBossXBBuilder] resolving type java.lang.String | 12:01:04,604 TRACE [JBossXBBuilder] resolving type java.lang.String | 12:01:04,604 TRACE [JBossXBBuilder] resolved type java.lang.String binding=org.jboss.xb.binding.sunday.unmarshalling.SimpleTypeBinding@78be78be[{http://www.w3.org/2001/XMLSchema}string] | 12:01:04,604 TRACE [JBossXBBuilder] resolved type java.lang.String binding=org.jboss.xb.binding.sunday.unmarshalling.SimpleTypeBinding@78be78be[{http://www.w3.org/2001/XMLSchema}string] | 12:01:04,605 TRACE [JBossXBBuilder] Bound attribute class type=org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory property=clazz propertyType=ReflectClassInfoImpl(a)2fac2fac{name=java.lang.String}, normalizeSpace=false | 12:01:04,605 TRACE [JBossXBBuilder] Bound attribute class type=org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory property=clazz propertyType=ReflectClassInfoImpl(a)2fac2fac{name=java.lang.String}, normalizeSpace=false | 12:01:04,605 TRACE [JBossXBBuilder] Ignore not element @XmlAttribute for type=org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory property=clazz | 12:01:04,605 TRACE [JBossXBBuilder] Ignore not element @XmlAttribute for type=org.jboss.aop.microcontainer.beans.metadata.IntroductionBeanMetaDataFactory property=clazz | I am not sure if I am looking in the right place, so I'll zip up and send you the full output. One thing that comes to mind might be that I am attempting to override how the class attribute is handled: | @JBossXmlSchema(namespace="urn:jboss:aop-beans:1.0", elementFormDefault=XmlNsForm.QUALIFIED) | @XmlRootElement(name="introduction") | @XmlType(name="introductionType", propOrder={}) | public class IntroductionBeanMetaDataFactory extends AspectManagerAwareBeanMetaDataFactory | implements BeanMetaDataFactory | { | ... | @XmlAttribute(name="class") | public void setClazz(String clazz) | { | this.clazz = clazz; | } | } | | public abstract class AspectManagerAwareBeanMetaDataFactory extends GenericBeanFactoryMetaData | { | ... | } | | @XmlRootElement(name="beanfactory") | @XmlType(name="beanfactoryType", propOrder={"aliases", "annotations", "classLoader", "constructor", "properties", "create", "start", "depends", "demands", "supplies", "installs", "uninstalls", "installCallbacks", "uninstallCallbacks"}) | public class GenericBeanFactoryMetaData extends JBossObject implements BeanMetaDataFactory, Serializable | { | ... | @XmlAttribute(name="class") | public void setBean(String bean) | { | this.bean = bean; | } | } | Although this works on Sun, maybe I should get rid of IBMDF.setClazz() and try to use the bean value from the super class instead? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4239712#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...