if (jtaTxManager == null)
{
// Find the JTA transaction manager
// Before J2EE 5 there is no standard way to do this so use the finder process.
// See http://www.onjava.com/pub/a/onjava/2005/07/20/transactions.html
jtaTxManager = new TransactionManagerFinder(this).getTransactionManager(
getClassLoaderResolver((ClassLoader)persistenceConfig.getProperty("org.jpox.primaryClassLoader")));
if (jtaTxManager == null)
{
throw new JPOXTransactionException(LOCALISER.msg("015030"));
}