Software⏱️ 2 min read📅 2026-06-03
How to Fix: Spring Boot: Cannot access REST Controller on localhost (404)
Learn how to fix: Spring Boot: Cannot access REST Controller on localhost (404).
Quick Answer: Try checking your system settings or restarting.
📋 Table of Contents
To resolve the issue of not being able to access your REST controller on localhost, let's break down what might be causing this problem.
🚀 Why You Are Getting This Error
- It's possible that you're missing the @EnableWebSecurity annotation in your Spring Boot application configuration.
🚀 How to Resolve This Issue
Method 1: Adding @EnableWebSecurity Annotation
- Step 1: Add the @EnableWebSecurity annotation to your Spring Boot application configuration. This annotation is used to enable web security in your application.
Method 2: Checking for Configuration Issues
- Step 1: Ensure that your REST controller is correctly annotated with the @RestController annotation.
💡 Conclusion
By following these steps, you should be able to resolve the issue and successfully access your REST controller on localhost.
❓ Frequently Asked Questions
It's possible that you're missing the @EnableWebSecurity annotation in your Spring Boot application configuration.
Step 1: Add the @EnableWebSecurity annotation to your Spring Boot application configuration. This annotation is used to enable web security in your application.
Step 1: Ensure that your REST controller is correctly annotated with the @RestController annotation.
By following these steps, you should be able to resolve the issue and successfully access your REST controller on localhost.
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