This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Look at the log4j.xml file in the conf directory. You need to turn on trace-level logging in the CMP layer. If memory serves, JBoss has a special logging level definition that I you need to use to actually see the SQL statement.