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Chapter 22: Spring Boot Exception Handling | Spring Boot Course

Ramesh Fadatare

5 min readApr 24, 2025

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Build CRUD REST API with Spring Boot, Spring Data JPA, Hibernate, and MySQL

In this chapter, you will learn how to build a real-world CRUD REST API using Spring Boot, Spring Data JPA, Hibernate…

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We’ll begin from scratch and go step-by-step, covering everything from the basics to advanced concepts. We’ll also…

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In the previous chapter, we built a CRUD REST API for a user management project. In this chapter, you’ll learn how to implement centralized exception handling for your Spring Boot CRUD REST API using @RestControllerAdvice.

Global exception handling adds meaningful error messages, avoids code duplication, and keeps your controllers clean.

This is a continuation of our previous chapter: Build CRUD REST API with Spring Boot, Spring Data JPA, Hibernate, and MySQL.

✅ Why Exception Handling Matters

Without proper exception handling:

Clients receive cryptic or unstructured error messages
Stack traces may be exposed to end users (bad for security)
Your controller methods…