After I startup my jboss app a while. backend console shows following message: 21:29:16,437 WARN [TxConnectionManager] Connection error occured: org.jboss.res ource.connectionmanager.TxConnectionManager$TxConnectionEventListener@1023ece[st ate=DESTROYED mc=org.jboss.resource.adapter.jdbc.xa.XAManagedConnection@697409 h andles=0 lastUse=1170162406734 permit=false trackByTx=false mcp=org.jboss.resour ce.connectionmanager.JBossManagedConnectionPool$OnePool@19eb5f6 context=org.jbos s.resource.connectionmanager.InternalManagedConnectionPool@1f0b146] What does this could be? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4008286#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...