If one of the updates fails, you can re-throw the exception to the UI tier and exit the method without attempting to update EIS2.
如果其中一个更新失败，那么可以向ui层重新抛出异常，退出该方法，不再更新EIS2。
2
Make sure both exception types are stopped, and then select the Call User Exit check box for both event and periodic exceptions, as shown in Figure 17.
确保两种异常类型都被停止，然后为事件和定期异常选择Call User Exit复选框，如图17所示。
3
The Oracle JDBC driver might throw the ORA-24756: transaction does not exitexception; rac-node2, the surviving rac node, might not even be aware of the transaction branch TxB1.
Oracle JDBC驱动程序可能会抛出OR a - 24756：事务不存在这一异常；仍然运行的rac节点rac - node2甚至还不知道事务分支TxB1。