Source: Reasons Why Your POST Request Results in a 302 Redirect in Spring Boot and How to Fix It 1. Understanding the 302 Redirect Issue in Spring Boot 1.1 What is a 302 Redirect? A 302 Redirect is an HTTP response status code that indica...
Source: Reasons Your JSON Data Is Null When Sent via Postman in Spring Boot (and How to Fix It) 1. Understanding the Problem When sending JSON data to a Spring Boot controller, encountering null values indicates that the framework could not co...
Source: Methods to Create and Handle Custom Exceptions in UserDetailsService of Spring Security 1. The Role of Exceptions in UserDetailsService The UserDetailsService interface has one primary method: UserDetails loadUserByUsername(String us...
Source: Securing Sensitive Data in Spring Boot with application.properties and Launch Files 1. Understanding the Problem Spring Boot applications rely on application.properties or application.yml files to define environment-specific settings. ...
They say the best way to truly learn a new technology is to build something you're passionate about. For me, that meant finding a way to connect my professional ambition—mastering the Spring Boot framework—with a personal obsession: running. As an av...
Source: Reasons Why You Encounter 'Column Cannot Be Null' in Hibernate with OneToMany and How to Resolve It 1. What Causes the 'Column Cannot Be Null' Error? The error occurs when Hibernate attempts to persist an entity that violates a databas...
Source: Effectively Handling Cyclic References in JPA Bidirectional Relationships 1. Understanding the Challenge of Bidirectional Relationships Bidirectional relationships involve two entities referring to each other. While this improves navig...
Source: Ways to Fix the Whitelabel Error Page When Performing GET Requests in Spring MVC 1. What Is the Whitelabel Error Page? The Whitelabel Error Page is a fallback error handler provided by Spring Boot. By default, if an application fails t...
Spring is a magical time to travel, with blooming flowers, mild temperatures, and fewer crowds. Whether you're looking for vibrant cities, serene landscapes, or cultural experiences, spring offers a plethora of destinations to explore. In this articl...
Source: Redirects to formLogin Occur in Spring Security and How to Handle Them Effectively 1. Understanding the Issue Spring Security uses filters in the security chain to manage requests and responses. By default, when an exception occurs (e....
