log.info("Creating pm");
   protected JDBCPersistenceManager createPM() throws Exception   {      log.info("Creating pm");      try      {         cm = new JDBCChannelMapper(sc.getDataSource(), sc.getTransactionManager());                           JDBCPersistenceManager pm = new JDBCPersistenceManager(sc.getDataSource(), sc.getTransactionManager(), cm);                  pm.start();                  cm.setPersistenceManager(pm);                  cm.start();                                      return pm;      }      catch (Exception e)      {         e.printStackTrace();         return null;      }   }