Spring Boot

What’s the “principal” in Spring Security?

Spring Security defines the notion of a principal, the currently logged-in user. When a user authenticates successfully, the principal is stored in Spring's security context, which is thread-bound, thus making…

Sonam Dargay November 1, 2023

Spring Boot

Everything You Should Know About New Relic

The modern Java developer is expected to take on a variety of tasks. Engineers are increasingly required to participate in production operations in addition to implementing and testing new product…

Sonam Dargay February 27, 2022

Spring Boot

How to send email in Spring Boot Project via SMTP

To send an email using SMTP in Spring MVC or Spring Boot projects is pretty simple. In this post, I am going to share an easy method to send email…

Sonam Dargay February 26, 2022

Spring Boot

How to Change Tomcat Port in Spring Boot

In this post, I am going to share two easy ways to change the tomcat port in Spring Boot projects. Basically, I am going to answer how to change the…

Sonam Dargay February 25, 2022

Spring Boot

Show Hibernate SQL Query in Spring Boot

In this post, I am going to share how to show Hibernate SQL queries on the console log while running your Spring Boot project(s). Spring Boot Console Enable Hibernate SQL…

Sonam Dargay January 27, 2022

Spring Boot

@OneToMany Relationship in Spring

A one-to-many association between the entities in JPA can be achieved using either of the @ManyToOne or a @OneToMany annotations in Spring Boot. According to Vlad Mihalcea, @ManyToOne annotation allows you to map…

Sonam Dargay January 26, 2022

Spring Boot

How to configure @RequestParam to be optional

@RequestParam in Spring Boot: By default, parameters with @RequestParam annotation are required. If you fail to provide parameters to such annotated endpoints, your request will fail. In such cases, you…

Sonam Dargay January 20, 2022

Spring Boot

How to use IntelliJ IDEA Community version for Spring Projects

IntelliJ IDEA is the best Java IDE available today. It has many features that the Java developers find very handy. But the Ultimate version is something, not every developer can…

Sonam Dargay November 26, 2021

Spring Boot

How to change the Spring Boot banner in your project?

In this post, I am going to share a two-step approach to change the Spring Boot banner in your project. Create Your Own(Customized) Spring Boot Banner Create your customized Spring…

Sonam Dargay October 24, 2021

Spring Boot

How to find the logged-in user in Spring Boot?

Sometimes we require to access logged-in users in different services of the Spring Boot project. Spring Boot which uses Spring Security internally provides a SecurityContextHolder class. This class allows the lookup of the currently…

Sonam Dargay July 11, 2021