Exception handling one of the core concepts which is really necessary when we build an application using spring boot. So in REST API development, it carries a bigger role. So in this tutorial, I’m going to explain how we can configure exception handling in spring boot REST API.

Main topics we are going to discuss here,

• Create a new spring boot project
• Adding Required Dependencies
• Implementing Endpoints
• Defining Entity Classes
• Service and Rest Controller
• Defining Global Exception Handler in Spring Boot
• Defining Custom Exceptions
• Throwing Exceptions
• Handling exception using Optional
• Handling exceptions manually
• Testing API
• Using Localization (i18n) with Custom Exceptions in Spring Boot
• Conclusion

Technologies Going to Use,

• Spring Boot: 2.3.4.RELEASE
• Spring Data
• Spring Cloud OpenFeign
• Lombok
• Gradle
• Intellij Idea for IDE

📄 Original Tutorial Exception Handling Spring Boot REST API

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