The primary advantage of descriptor methods over introspective approaches is the ability to provide more specific messages.

描述符方法优于内省式方法的主要一点是可以提供更特定的消息。

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Within the deployment descriptor, you can configure specific realms for authentication and authorization.

在部署描述中，可以为身份验证和授权配置特定的领域。

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Thus, the mapping information is usually defined in a vendor specific deployment descriptor, such as jonas-web.xml and geronimo-web.xml.

因此，映射信息通常在供应商的特定部署描述符(如jonas - web . xml和geronimo - web . xml)中定义。

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