I have a XA datasource that throws this exception. any idea ? INFO | jvm 1 | 2008/01/30 14:43:20 | 14:43:20,342 WARN [JBossManagedConnectionPool] Throwable while trying to match ManagedConnection, destroying connection: org.jboss.reso urce.connectionmanager.TxConnectionManager$TxConnectionEventListener@15b6382[state=NORMAL mc=org.jboss.resource.adapter.jdbc.xa.XAManagedConnection@e1fbe3 handles=0 lastUse=12017 22200317 permit=false trackByTx=false mcp=org.jboss.resource.connectionmanager.JBossManagedConnectionPool$PoolBySubject@60090d context=org.jboss.resource.connectionmanager.Intern alManagedConnectionPool@f23ad3 xaResource=org.jboss.resource.adapter.jdbc.xa.XAManagedConnection@e1fbe3 txSync=null] INFO | jvm 1 | 2008/01/30 14:43:20 | java.lang.NoSuchMethodError: org.jboss.resource.adapter.jdbc.xa.XAManagedConnectionFactory.getValidateOnMatch()Z INFO | jvm 1 | 2008/01/30 14:43:20 | at org.jboss.resource.adapter.jdbc.xa.XAManagedConnectionFactory.matchManagedConnections(XAManagedConnectionFactory.java:191) INFO | jvm 1 | 2008/01/30 14:43:20 | at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:187) INFO | jvm 1 | 2008/01/30 14:43:20 | at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:417) INFO | jvm 1 | 2008/01/30 14:43:20 | at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:324) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4124948#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...