Question 121: What are the benefits of using RESTful web services? Answer: RESTful web services offer several advantages, including: Support for various data formats, such as JSON and XML. C… Read More

In this quick tutorial, we’ll configure Log4J 2 logging by replacing it with the default Logback config in the Spring Boot application Read More

In Java development, exceptions are like unexpected roadblocks in your code. They can best describe those moments when you’re driving down a familiar road and suddenly hit a detour si… Read More

Posted on Aug 31 • Originally published at blog.frankel.ch One of my current talks focuses on Observability in general and Distributed Tracing in… Read More

In this post, I am going to explain how to validate incoming data with Micronaut controllers using @Validated advice.   Define model class.@Introspected public class EmployeeRequest {… Read More

You can specify the media type that is consumed by a REST API in two ways.   a. Using @Consumes annotation @Consumes annotation specify the media types consumed by a particular compo… Read More

HttpResponse class can wrap the response payload and status code. Example@Post(value = "/demo1", produces = MediaType.APPLICATION_JSON) public HttpResponse> demo1() { final Map data =… Read More

Some parameters in Micronaut are recognized by their type instead of their annotation.   For example,@Get(value = "/type-binding-demo", produces = MediaType.APPLICATION_JSON) public M… Read More

Using the exploded operator (?pojo*) in the URI template, we can bind all the query parameters to a POJO.   Example@Get(value = "/even-numbers{?numbersMeta*}", produces = MediaType.TE… Read More

 @CookieValue annotaiton can be applied to method argument to indicate that the method argument is bound from an HTTP cookie.   Example@Get(value = "/cookies", produces = MediaTy… Read More

@Body annotation is applied to a method argument to indicate that the method argument is bound from the HTTP body.   Example@Post @Consumes(MediaType.APPLICATION_JSON) @Produces(Media… Read More

All the Micronaut routing annotations (@Delete, @Get, @Head, @Options, @Patch, @Put, @Post, @Trace) support multiple URI templates.   Example@Get(uris = { "/{employeeId}", "/by-id/{em… Read More

@PostConstruct annotation is applied on a method that needs to be executed after dependency injection is done to perform any initialization. This  method must be invoked before the clas… Read More

A method Adapter advice applicable to a method that will create an entirely new bean definition that delegates to the annotated method.   For example the following snippet runs the lo… Read More

In this post, let’s learn how to define an immutable configuration using @ConfigurationProperties annotation.   How to define an immutable configuration? Just define an interfa… Read More

How to hire dedicated Java developers? Is there a magic spell you can cast at midnight, or perhaps, tea leaves at the bottom of a cup may direct you to LinkedIn profiles of ideal candidate… Read More

Simple Logging Facade for Java (SLF4J) is a logging facade that provides a unified interface for various logging frameworks, such as log4j, java.util.logging, and Logback. It allows for the… Read More

If you’ve ever tried to disconnect from a remote connection using Guacamole, you know it can be a real pain. The process is often buggy, and sometimes it can be next to impossible to… Read More

Introduction to Spring Boot Logback Spring boot logback is the functionality provided by spring boot; when using spring boot starter dependency, it will automatically include the spring boo… Read More

Problem : I am using Logback in my spring boot application. The problem is logback do not print my logger messages in 'eclipse' console ?Solution ;-just reread the logback config d… Read More

File compression format can be specified via fileNamePattern property.   ExamplerollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">fileNamePattern>${L… Read More