[ https://issues.jboss.org/browse/WFLY-7973?page=com.atlassian.jira.plugin.... ] Ivo Studensky commented on WFLY-7973: ------------------------------------- I am really not sure the attached reproducer is valid. {{org.jboss.as.connector.subsystems.datasources.WildFlyDataSource}} you get from lookup does not implement XADataSource directly. It is a wrapper with {{unwrap}} method unsupported, i.e. {{isWrapperFor}} should always return {{false}}, see javadoc for {{java.sql.Wrapper}}. Moreover, I can't see any way how to determine from {{delegate}} WildFlyDataSource consist of if the proxy represents an XA datasource or non-XA datasource. The {{delegate}} is in fact {{org.jboss.jca.adapters.jdbc.WrapperDataSource}} which does not seem to contain any information if it belongs to XA or non-XA datasource. It neither contains any XA/non-XA datasource instance that can be returned from {{JBossWrapper.getWrappedObject}}. I recall similar questions from the past, I will try to look around for any forum post related to this. -- This message was sent by Atlassian JIRA (v7.2.3#72005)