"alex.loubyansky(a)jboss.com" wrote : I've added support for @JBossXmlValue(ignoreEmptyString=false) which can be applied to a type. https://jira.jboss.org/jira/browse/JBXB-151 | I didn't add support for an annotation element to make it also dependent on child elements. I am still not sure about it. Where should I add this @JBossXmlValue? If I put it like this | @JBossXmlValue(ignoreEmptyString = false) | public class AbstractPropertyMetaData extends AbstractFeatureMetaData | implements PropertyMetaData, ValueMetaDataAware, TypeProvider, Serializable | it breaks a lot of MC. :-( But the PropertyUsageTestCase passes. :-) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4175552#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...