如果它被放置在消息列表之后，并且用户在脱机状态下已删除了一条消息，那么脱机服务器在同步过程中将会丢失，因为列表的大小会发生变化。
If it had been placed after the list of messages, and a user had deleted a message while offline, the offline server would become lost during synchronization because the list size would have changed.
当收到一条消息时，该客户机便可以与应用服务器建立一个同步的RMI连接，并按照常规的方式调用会话bean或者实体bean。
Upon receiving a message, the client could then establish a synchronous RMI connection with the application server and invoke the session or entity beans in the usual way.
当收到一条消息时，该客户机便可以与应用服务器建立一个同步的RMI连接，并按照常规的方式调用会话bean或者实体bean。
Upon receiving a message, the client could then establish a synchronous RMI connection with the application server and invoke the session or entity beans in the usual way.
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