code: public void quietRollback() {
  		try {
  			getConnection().rollback();
  		} catch (Exception e) {
  			log.error(e);
  		} finally {
  			try {
  				getConnection().setAutoCommit(true); // 事务结束，恢复自动提交
  			} catch (SQLException e) {
  				log.error(e);
  			}
  		}
  	}
docs: 静默回滚事务<br>
  回滚事务