While developing a Spring Boot Application, sometimes we need to run a piece of code at startup. This code can be anything. You might want to log certain information or run some cron jobs or send some notifications. Or you might even want to start the application with seed data in the database. In this […]Continue reading
Spring Retry provides the ability to automatically re-invoke a failed operation. This is helpful when errors may be transient in nature. For example, a momentary network glitch, network outage, server down, or deadlock. You can configure the spring-retry module using annotations. You can define the retry limits, fallback methods, etc. In this post, you will […]Continue reading
The Spring Boot CLI (Command Line Interface) is a command-line tool that you can use to run and test Spring Boot Applications from a Terminal. The CLI is one of the fastest ways to develop a Spring-based application. How does Spring Boot CLI work? It uses Spring Boot Starter and Spring Boot AutoConfigure components to […]Continue reading
For a One-to-One relationship in JPA, each entity instance is related to a single instance of another entity. It means each row of one entity is referred to one and only one row of another entity. In this post, you’ll learn how to create a One-to-One relationship between two entities using JPA in a Spring […]Continue reading
The Spring Ioc container is at the core of the Spring Framework. BeanFactory and ApplicationContext provide implementations of the IoC container. Both BeanFactory and ApplicationContext are interfaces and there are several implementations that come out of the box with Spring. In this post, I will explain the differences between BeanFactory and ApplicationContext. Major Differences between […]Continue reading
In Relational Database Management Systems (RDBMS), a stored procedure is a batch of prepared SQL code grouped as a logical unit that you store in the database. Stored procedures allow reusability of SQL code. In this post, I will explain how to call MySQL stored procedures from a Spring Boot application. Dependency For the application […]Continue reading
When you develop a Spring Bool RESTful service, you as a programmer are responsible for handling exceptions in the service. For instance, by properly handling exceptions, you can stop the disruption of the normal flow of the application. In addition, proper exception handling ensures that the code doesn’t break when an exception occurs. Another important […]Continue reading
Consider a scenario where a database query matches over 1000 records. You need to display the query results to users. In this scenario, you probably won’t want to display all records on a single page. Instead, you would want to display chunks of data of suitable sizes with high readability. To achieve this, you use […]Continue reading
Enterprise Applications developed using the Spring Framework use different types of configuration properties to configure the application at runtime. These configuration properties help in connecting to databases, messaging systems, perform logging, caching, and lots more. It is common to store configuration properties in external .properties and .yml files. There are various ways of reading external […]Continue reading
Introduction In this article, we will look at Spring Framework’s support of immutable property binding. We described Spring external configuration in this article and also provided a more detailed article about the Java bean properties binding. In this article, we will demonstrate constructor binding using the merchant account configuration in this article. Constructor binding enables […]Continue reading
