Componentscan Articles

How to Fix NoSuchBeanDefinitionException with @ComponentScan in Spring Boot - Configuring Multi-Module Setups and Scan Scope

This article diagnoses why a Bean placed in a different package or module fails to be registered, resulting in NoSuchBeanDefinitionException, and explains pattern-by-pattern solutions using scanBasePackages, explicit @ComponentScan, and multi-module configurations.

2026-10-04