Tagged articles

Startup Process

5 articles · Page 1 of 1

Oct 20, 2026 · Backend Development

Spring Boot Deep Dive: Auto-Configuration, Startup Flow & Source Code Analysis

This comprehensive guide dissects Spring Boot's core mechanisms including auto-configuration internals, the nine-step startup process from main() to port binding, embedded Tomcat initialization, configuration binding, and fat JAR loading, with source code references and a structured learning path for mastering the framework.

Auto-configurationBest PracticesConfiguration Binding

0 likes · 41 min read

Spring Boot Deep Dive: Auto-Configuration, Startup Flow & Source Code Analysis

Java Tech Workshop

Jul 2, 2026 · Backend Development

Spring Boot Auto‑Configuration Unveiled: The @EnableAutoConfiguration SPI Mechanism

Spring Boot achieves zero‑XML, out‑of‑the‑box auto‑configuration by leveraging a custom SPI mechanism driven by @EnableAutoConfiguration, which replaces the legacy spring.factories with @AutoConfiguration imports, employs deferred import selectors, hierarchical ordering, and conditional annotations to dynamically load and prioritize beans.

Auto-configurationConditional AnnotationsSPI

0 likes · 12 min read

Spring Boot Auto‑Configuration Unveiled: The @EnableAutoConfiguration SPI Mechanism

Coder Trainee

May 4, 2026 · Backend Development

Spring Boot Startup Process: A Zero‑to‑One Source Code Walkthrough

This article dissects the Spring Boot startup sequence step by step, showing how a minimal @SpringBootApplication triggers listeners, type deduction, auto‑configuration loading, environment preparation, IOC container creation, bean refresh, and embedded Tomcat launch, with interview‑ready explanations.

Auto-configurationJavaSpring Boot

0 likes · 9 min read

Spring Boot Startup Process: A Zero‑to‑One Source Code Walkthrough

Shepherd Advanced Notes

Oct 24, 2024 · Backend Development

What Exactly Happens During Spring Boot Startup? A Deep Dive

This article walks through the Spring Boot startup sequence, detailing how the @SpringBootApplication entry point creates a SpringApplication instance, prepares the environment, builds and refreshes the IoC container, runs ApplicationRunner/CommandLineRunner callbacks, and finally publishes the ApplicationReadyEvent.

ApplicationContextIOC ContainerSpring Boot

0 likes · 10 min read

What Exactly Happens During Spring Boot Startup? A Deep Dive

Java High-Performance Architecture

Oct 14, 2023 · Backend Development

Spring Boot Startup Explained: From Main Method to Tomcat Launch

This article walks through the complete Spring Boot startup sequence, starting with the SpringApplication.run entry point, detailing the preparation, application context creation, and refresh phases, and shows how the embedded Tomcat server is instantiated and started, illustrated with code snippets and diagrams.

Embedded TomcatJavaSpring Boot

0 likes · 11 min read

Spring Boot Startup Explained: From Main Method to Tomcat Launch