* Initialize the data source.
*
* @throws BPELEngineException If error occured while initializing datasource
*/
private void initDataSource() throws BPELEngineException {
db = new Database(odeConfigurationProperties);
db.setTransactionManager(transactionManager);
if (System.getProperty("setup") != null) {
BPELDatabaseCreator bpelDBCreator;
try {