更改时，应用服务器会重新编译并加载一个JSP标记文件，而无需重新启动应用程序，这使开发和测试都变得非常简单。

When changed, a JSP tag file is recompiled and reloaded by the application server without having to restart the application, which makes both development and testing much easier.

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首先，如果某个方法没有启动事务，那么它就不需要管理事务（例如，将其标记为回滚）。

First, if a method did not start a transaction, it has no business managing that transaction (for example, marking it for rollback).

youdao

这些扩展在bean定义文件和名称空间处理程序中启用了定制XML名称空间，在Spring容器的启动过程中对这些标记进行操作。

These extensions enable the use of custom XML namespaces in the bean definition file and namespace handlers that operate on those tags during the Spring container startup process.

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