5. Description of configuration files related to HTTP request processing

The entire space HTTP requests traverse is layered, including Web containers, Web applications, the Spring framework, and so on, each of which is initialized through configuration files, a loose-coupled architectural design. Taking a look at these configuration files, the first HTTP request to pass through is the Web container, which represents the product Tomcat configuration file: server.xml

6. Frequently asked Questions about HTTP request processing

In everyday system development or maintenance, most problems are related to HTTP request handling. HTTP protocol is the most important application layer protocol for the integration of various systems in the Internet. HTTP protocol is very well designed, and we can spend some time to study this protocol in depth. Of course, if we have time to attach TCP/IP protocol, Especially the various types of parameters in the protocol to control the quality of service. In addition, there are most of them are not familiar with the whole process of HTTP request processing, do not know what link to set debugging breakpoints, and configuration files do not fill in as required, so it is easy to let yourself into a maze, spend a lot of time and energy to find clues.

The main value of this article is to help you sort out an end-to-end process framework, which is often referred to as the global or God perspective. With this framework, we can look for related node information according to our own needs to study and learn, so as not to get lost in details. Of course, considering that each of us has different work and study situations, and the problems we usually encounter are also different, the content of this article cannot cover all the problems we encounter, welcome you to leave your comments and ask questions.

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Other articles in this series are indexed below:

  • Spring: HTTP Request Processing flow and mechanism [1]
  • Spring: HTTP Request Processing and mechanism [2]
  • Spring: HTTP Request Processing and mechanism [3]
  • Spring: HTTP Request Processing flow and mechanism [4]