Spring Framework

This article explores in detail the principles and use of the web servers built into Spring Boot (including Tomcat, Jetty, Undertow, and Netty), with a particular focus on the differences between the Servlet and Reactive frameworks and their implementations in Spring Framework 5.0, including the WebServer interface and the concrete implementation of WebServerFactory.

Take a look at the Spring source code and PR records to find out which version and commit introduced the support for Self-Injection.