Java Interview Crash Guide

Jul 22, 2021 · Backend Development

How SpringBoot Boots Tomcat: Deep Dive into Startup Process and Tomcat Internals

This article explains how SpringBoot launches an embedded Tomcat server by walking through the main method, the SpringApplication.run workflow, context creation and refresh, and the internal Tomcat components such as Connector, Engine, Host, Context, and Wrapper, illustrated with code snippets and diagrams.