A mechanism to notify interested parties to an abnormal disconnection of a client using the Last Will and Testament feature.
2
容器必须将应用程序异常传递到EJB客户端并且不改变该异常以及事务。
The container must pass application exceptions through to the EJB client without changing the exception nor changing the transaction.
3
除声明的业务异常外，客户端还可以接收系统异常，如发送消息时发生的连接错误。
In addition to the business exception declared, the client can receive system exceptions such as connection error that happens while sending the message.
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