resourceUtil.getdbUserPasswordOfJdbcConnectionPool(
jdbcConnectionPool);
String dbUser = dbUserPassword[0];
String dbPassword = dbUserPassword[1];
ManagedConnectionFactory fac =
crt.obtainManagedConnectionFactory(poolName);
Subject subject = new Subject();
PasswordCredential pc = new PasswordCredential(
dbUser, dbPassword.toCharArray());
pc.setManagedConnectionFactory(fac);
Principal prin = new ResourcePrincipal(dbUser, dbPassword);