Blogs

NoSuchBeanDefinitionException: The Most Common Spring Bean Error

Learn how to fix NoSuchBeanDefinitionException in Spring Boot with clear examples and best practices for dependency injection, package scanning, and bean registration.

Gopi Gorantala • Aug 17, 2025 • 3 min read

How to fix the "port 8080 already in use error on Windows and macOS

If you're trying to start a web server and see the error: “Web server failed to start. Port 8080 was already in use.” You're not alone. This is a common problem when a port of your app needs—often 8080 for development—is already being used

Gopi Gorantala • Aug 16, 2025 • 2 min read