spring boot

Articles: 51

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Article

How to Change Port for Spring Boot Applications

Spring Boot applications ship with an embedded server, and the default port for them is 8080. Whether some other service already inhibits this port, or whether you'd like to create a new microservice on a new one - in this guide, we'll take a look at how to configure the...

David Landup

Jan 19, 2022

Article

Spring Data MongoDB - Guide to the @Aggregation Annotation

MongoDB is a document-based NoSQL database, that stores data in BSON (Binary JSON) format. Like with any database, you'll routinely make calls to read, write or update data stored in the document store. In many cases, retrieving data isn't as simple as just writing a single query (even though queries...

David Landup

Jan 12, 2022

Article

Spring Data MongoDB - Guide to the @Query Annotation

If you have worked with Spring Data JPA for any length of time - you're probably acquainted with derived query methods: @Repository public interface BookRepository extends MongoRepository<Book, String> { List<Book> findByAuthor(String name); } They are a nifty and quick way to offload the burden of...

David Landup

Sep 13, 2021

Article

Spring Data JPA - Guide to the @Query Annotation

If you have worked with Spring Data JPA for any length of time - you're probably acquainted with derived query methods: public interface MyRepository extends JpaRepository<Client, Long> { List<Client> findByOrganizationName(String name); } They are a nifty and quick way to offload the burden of writing...

David Landup

Aug 13, 2021

Article

Guide to Quartz with Spring Boot - Job Scheduling and Automation

Time is precious and delegating time and resources to perform menial tasks tends to waste resources and money. Hence, organizations strive to achieve full-scale automation in their systems since it's much more scalable and significantly cheaper. As the complexity of the business processes increase, so does the benefit of automation...

Arpendu Kumar Garai

Jul 19, 2021

Article

Spring Boot: Guide to RestTemplate

In this guide, we'll be taking a look at one of the most frequently used and well-known template in the Spring Ecosystem - known as RestTemplate, and how to use RestTemplate to send HTTP requests, pass pre-defined headers to qualified RestTemplate beans as well as how to set up mutual...

Arpendu Kumar Garai

Jul 06, 2021

Article

How to Return HTTP Status Codes in a Spring Boot Application

All Software Engineers that rely on external/third-party services or tools over HTTP would like to know whether their requests have been accepted, and if not - what's going on. Your role as an API developer is to provide a good experience for your users, and amongst other things -...

Guest Contributor

Jul 01, 2021

Article

Spring Security: In-Memory Invalidation of JWT Tokens During User Logout

As technology evolves and becomes more prevalent - including the evolution of large-scale service-oriented architectures, managing web security becomes more and more complex. There are many more edge cases now than there were before, and keeping personal user information secure and safe is becoming increasingly hard. Without proactive security measures,...

Arpendu Kumar Garai

Jun 23, 2021

Article

Thymeleaf Path Variables with Spring Boot

Thymeleaf is a templating (server-side rendering) engine used by many Java software engineers within Spring-based web applications. An important feature of any web application is the support for dynamic URLs and path variables within those URLs. Most REST APIs extensively use path variables to specify the IDs of elements they're...

Guest Contributor

Jun 22, 2021