In this article, we are going to learn how to configure Spring Boot to handle exceptions, including custom ones, and customize the error responses and handling.
Contingencies vs. Faults
Introduction
Since the invention of the Java language, there has been a long-standing debate about checked versus unchecked/runtime exceptions. Some people argue that checked exceptions promote a better design. Others feel that checked exceptions get in the way, especially as systems mature and refactor over time, and therefore unchecked exceptions are better. The Effective Java Exceptions article, settles this debate once and for all: both checked and unchecked exceptions are acceptable, and each has its purpose within an application. I highly recommend reading that article. I will refer back to its concepts and terminology going forward.
Presenting Exceptions to Users
Many applications want to present errors to their users in a nice human-readable form. This article reviews some widely used best practices on this topic. by
The Author: Victor Rentea is a Java Champion, Independent Trainer, and founder of one of the largest developer communities in his country. After training thousands of developers in dozens of companies throughout the world, he now shares best practices with hundreds of teams. You can read more about him on
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Many applications want to present errors to their users in a nice human-readable form. This article reviews some widely used best practices on this topic.