[jboss-as7-dev] What does this warning mean? ARJUNA12140: Adding multiple last resources is disallowed. Current resource is com.arjuna.ats.internal.arjuna.abstractrecords.LastResourceRecord@37f017

What this warning mean "ARJUNA12140: Adding multiple last resources is disallowed. Current resource is com.arjuna.ats.internal.arjuna.abstractrecords.LastResourceRecord@37f017" The exception that follows is "javax.transaction.SystemException: IJ000356: Failed to enlist: java.lang.Throwable: Unabled to enlist resource, see the previous warnings. tx=TransactionImple < ac, BasicAction: 0:ffffc082df3f:1b3f9691:4ec10467:3602 status: ActionStatus.ABORT_ONLY >" http://pastebin.com/GkRTN4jc contains the full exception call stack. Does this mean that more than one non-XA datasources were enlisted into the transaction? Or something else? Scott