HTTP is conventionally considered a stateless protocol.
HTTP就是一种无状态协议。
Hypertext Transfer protocol (HTTP), which is the basis for Web applications, is a stateless protocol.
超文本传输协议(Hypertext Transfer Protocol,HTTP)是Web应用程序的基础，是一种无状态的协议。
But how does the servlet container track clients that are communicating over a stateless protocol such as HTTP?
但是servlet容器如何跟踪通过无状态协议(如HTTP)通信的客户机呢？
Because HTTP is a stateless protocol, there is no inherent information about the page a user looked at previously before he or she looks at another one.
由于HTTP是无状态的协议，不存在有关用户在查看另一个页面之前所查看的页面的固有信息。
Because HTTP is a stateless protocol, there is no inherent information about the page a user looked at previously before he or she looks at another one.
由于HTTP是无状态的协议，不存在有关用户在查看另一个页面之前所查看的页面的固有信息。
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