Spring Boot

In this Spring Boot tutorial, you will learn how to implement User Authentication(User Login) functionality for your RESTful Web Service built with Spring Boot, Spring MVC, Spring Security using JWT. There is also a step-by-step video demonstration on how to do User Authentication available here. The user authentication functionality we are going to implement in…

Read More User Authentication – Spring Boot, Spring Security, JWT

In this short tutorial you will learn how to use SearchPaths to configure your Spring Cloud Config Server to discover properties files in a remote Git repository subdirectories. To learn how to configure Spring Cloud Config Server and also Spring Cloud Config Client please read this tutorial: Learn to use Spring Cloud Config Server and Spring…

Read More Spring Cloud Config Server – SearchPaths

In this tutorial you will learn how to bind nested properties from application.properties file to a Java class. Once you finish this tutorial you might also want to check: How to bind simple(not nested) properties to a Java class, and How to use @ConfigurationProperties with Spring Boot @Profile. Example of Nested Properties in a Properties File…

Read More Spring Boot Nested Properties with @ConfigurationProperties

@ConfigurationProperties is used to bind all the properties in a properties file to a Java class annotated with @ConfigurationProperties. You can then use a Java object to access configuration properties defined in a properties file. Earlier I have shared with you a tutorial on how to read application properties in Spring Boot RESTful Web Service…

Read More Spring Boot @ConfigurationProperties Tutorial

In this tutorial you will learn how to use Spring Cloud Bus to notify running Microservices about the changes in Spring Cloud Config property file. Running Microservices will be updated with new properties stored in Spring Cloud Config file without the need for you to restart them. These way you can update values in a…

Read More Spring Cloud Bus – Refreshing Config Changes

In this short Spring Boot tutorial, you will learn how to pass command-line arguments to your Spring Boot application. Passing Command-Line Arguments To pass command line arguments to your Spring Boot app when running it with Maven use the -Dspring-boot.run.arguments. In the below code example, I will pass two command-line arguments: firstName and lastName. mvn spring-boot:run…

Read More Pass Command-Line Arguments to Spring Boot Application

In this Spring MVC tutorial, you will learn how to read HTTP Request Header in the Rest Controller class of your Application. To read HTTP Request Header in Spring MVC application we use @RequestHeader annotation. @RequestHeader(value=”Accept”) String acceptHeader Reading HTTP Request Header For example, let’s assume we need to create a method in our Rest…

Read More Read HTTP Request Header in Spring MVC

In this short Spring Boot tutorial, I am going to share with you how to make Spring Boot app show Hibernate SQL Queries. Enable Hibernate SQL Queries Logging To show hibernate SQL queries in Spring Boot log file you will need to update the application.properties file with the following details: logging.level.org.hibernate.SQL=debug Show SQL Values Additionally,…

Read More Show Hibernate SQL Query in Spring Boot

In this blog post, I am going to list commonly used POM.XML dependencies for building RESTful Web services with Spring Boot and Spring MVC. The list of below dependencies is not complete and will depend on the functionality you need your RESTful Web Services to support. But if you are building a simple REST API…

Read More Common POM.XML Dependencies for RESTful Web Services

The list of below video tutorials is a Quick Start to learning How to Build RESTful Web Services with Spring Framework. Spring Framework is large and there is so much to learn about it. And although there are so many tutorials on the Internet I still felt it would be helpful to create a series…

Read More RESTful Web Services with Spring Framework. Video Tutorials

In this tutorial, I am going to share with you how to add H2 In-memory database support to your Spring Boot project which has Spring Security enabled. And at the end of this tutorial, you will find a video demonstration of how to do it. Once you do the below-described steps, your Spring Boot project…

Read More Add H2 Database to Spring Boot Project with Spring Security

In this short tutorial, I am going to share with you how to enable CrossOrigin in a RESTful Web Service API built with Spring Boot, Spring MVC and which also has Spring Security enabled. Enable CrossOrigin for Specific Endpoint  To enable cross origin AJAX HTTP request to a specific RESTful Web Service endpoint in our Rest Controller…

Read More CrossOrigin and CORS in RESTful Web Service

In this tutorial, we will create a Spring Boot application which demonstrates how we can add and use the H2 in-memory database in our application. You will learn how an in-memory database like H2 can be used to develop a Spring boot application without an overhead of doing DB configuration on your machine and without…

Read More Using H2 In-memory Database with Spring Boot