Spring Boot Tutorial
Learn Spring Boot with the following in-depth tutorials, covering from basic to advanced concepts such as packaging and monitoring.
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Tutorials
Spring REST – JSON Response for Access Denied Request
Return 403 access denied response in jSON in REST API where principal should be pre-authenticated but is null in AbstractPreAuthenticatedProcessingFilter.
Spring WebMVC HTTP OPTIONS Request Handler
Learn to handle the HTTP OPTIONS requests specific to REST resource in Spring WebMVC applications by adding handler methods.
Spring Boot Request Validation for Body and Parameters
Learn how Spring Boot checks the JSON body, path variables and query parameters of a REST request. See which exception Spring throws, how to return clear field errors, and how to validate nested objects and lists, use groups, write a custom rule and test with MockMvc on Spring Boot 4.1.1.
REST API Error Handling in Spring Boot
Learn to handle exceptions locally and globally in Spring Boot REST APIs using @ControllerAdvice, @ExceptionHandler, and other latest approaches.
Spring REST CRUD Example with JPA Configuration
Learn to create REST APIs for crud operations using Spring REST and JPA configuration (H2 database as backend) without Spring boot auto configuration feature.
Spring REST JSON Response Example
In this spring rest json example, we will learn to write RESTFul webservices capable of returning JSON for resources using MappingJackson2JsonView.
Produce XML Response with Spring WebMVC Controller
In this Spring REST XML example, I am writing hello world example for REST APIs using Spring REST features. In this example, I will be creating two APIs which will return XML representation of resources. 1. Maven Dependencies Let’s start with runtime dependencies which you will need to write these …