private void initDataSource() throws ServletException {
_db = Database.create(_odeConfig);
_db.setTransactionManager(_txMgr);
_db.setWorkRoot(_workRoot);
try {
_db.start();
} catch (Exception ex) {
String errmsg = __msgs.msgOdeDbConfigError();
__log.error(errmsg, ex);
throw new ServletException(errmsg, ex);
}
}