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JOIN THE COMMUNITY 🔔How to Create Custom Error Pages in Spring Boot
Nobody likes seeing a generic "Whitelabel Error Page." It looks unfinished and can confuse your users. In this guide, we are going to learn how to take control of your application's errors and replace those boring pages with something professional and helpful!
Step 1: Why Customize Error Pages?
Imagine walking into a store and seeing a sign that just says "Error." You'd be confused, right? A custom error page allows you to guide your user back to the homepage or explain what went wrong in a way they can understand. It makes your website look much more professional.
Step 2: The Magic "error" Folder
In a Spring Boot project, there is a very specific place where you can put your error files. Inside your src/main/resources/templates folder, create a new folder named error. Spring Boot is smart enough to look here automatically when something goes wrong!
Step 3: Naming Your Files
This is the secret: you name your HTML files after the HTTP status code you want to handle.
- For a "Page Not Found" error, name your file 404.html.
- For a "Server Error," name your file 500.html.
Step 4: Making it Dynamic
If you are using Thymeleaf, you can even show the exact error message or timestamp directly on your custom page. This helps developers (like you!) debug issues while still keeping the page looking good for the user.
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