There are several ways to address the problem of updating changed classes within an application without restarting, but all come with different problems.
有几种方法可以做到在不重新启动应用的情况下更新类，但每种方法都有其问题。
An application update procedure for such a configuration often involves stopping and restarting the entire application server during the update.
此类配置的源程序更新通常需要在更新期间停止和重新启动整个应用程序服务器。
Restarting the application server takes 5 minutes.
重启应用程序服务器花5分钟。
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