为什么以及如何在Java Web应用程序中使用序列化？ [英] Why and how is serialization used in Java web applications?

问题描述

我一直致力于Java Web应用程序，其中框架坚持认为一切都是可序列化的。我假设这不是特定于框架，而是特定于Java中的Web应用程序，我的问题是：什么是框架/服务器/无论做什么都是序列化的东西？是否必须这样做？

I've been working on a Java web application where the framework insists that everything is Serializable. I assume that this isn't specific to the framework but to web applications in Java in general and my question is: what is the framework / server / whatever doing that is serializing things? Does it have to do it?

注意：我对Web应用程序或序列化了解不多。

Note: I don't know much about web applications or serialization.

推荐答案

典型的问题是，在复制或服务器关闭期间，内部HTTP会话被序列化到持久性存储，以便可以恢复或共享它们。

The typical issue is that during replication, or server shutdown, the internal HTTP Sessions are "Serialized" out to a persistent store so they can be recovered or shared.

序列化正在保存对象的状态，并且能够在以后重新构建该状态。

Serialization is saving the state of an Object, and being able to reconstitute that state at a later time.

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