如果遇到这样的消息，一定要确认连接到数据库的用户或应用程序是否提供了合法的用户ID和口令。

If you ever encounter these messages, ensure that the user or application connecting to the database has provided a valid user id and password.

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如果一个主机已经出现在这个文件中，那么SSH就不会提示用户确认连接。

If a host is listed in the file, SSH does not prompt the user for connection confirmation.

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测试数据源连接，以确认它已经得到了成功的创建。

Test the data source connection to verify that it has been created successfully.

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