In-depth understanding of the Tomcat and Jetty source code, the fourth part of the tomcat system architecture: how the container is designed

 Today, let’s introduce Tomcat’s container mechanism:

1. Tomcat's four containers

2. Schematic diagram of the container

3. Introduction to Chain of Responsibility Model

4. How does Tomcat determine which Wrapper handles the request

5. What is the difference between Tomcat's Context, servlet's ServletContext and Spring's ApplicationContext?