Sorry for cross-port. Persistence of the attributes is necessary to I have a possibility to edit JCA connector's parameters and that after reboot JBoss this changes remained. I think to do this something like this http://www.jboss.org/community/docs/DOC-12775. But, when I specifi the DelegatingPersistenceManager in jboss-service.xml descriptor <mbean code="org.jboss.resource.connectionmanager.ConnectionFactoryBindingService" | name="jboss.jca:name=Aurora/baxi/green/maxi,service=ConnectionFactoryBinding" | xmbean-dd=""> | <description>PersistentServiceExample</description> | <descriptors> | <persistence persistPolicy="OnUpdate"/> | <persistence-manager value="org.jboss.mx.persistence.DelegatingPersistenceManager"/> | <descriptor name="attribute-persistence-operation" value="apmCreate"></descriptor> | </descriptors> | <class>org.jboss.resource.connectionmanager.ConnectionFactoryBindingService</class> | | <!-- Attributes --> | | <attribute access="read-write" getMethod="getJndiName" setMethod="setJndiName"> | <name>JndiName</name> | <type>java.lang.String</type> | </attribute> | </mbean> I catch MBeanRegistrationException which reports that this bean has been registered. How can I say that JBoss will not regist new MBean and persist needed Mbean? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4197304#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...