Testcontainers GCloud Module With Spring Boot

Testcontainers is a library that is helpful with writing reliable integration tests in a module-specific (Databases, Kafka, Redis) Docker container. Once the execution of tests is over, the containers are completely destroyed. If your application is using Google Cloud components like Spanner, Firestore, etc. to write efficient integration tests, Testcontainers offers a GCloud module for … Read more

WebRTC Video Calls With Angular and Spring Boot

WebRTC video calls have been added to the AngularPwaMessenger project. The back end supports WebSocket connections that are secured by JWT tokens to enable WebRTC signaling. The current browsers support video calls with WebRTC. The Angular front end supports the WebRTC calls and needs to access the camera and the microphone. The browsers need to … Read more

How To Create a Spring Boot Kubernetes Controller

In this article, we will look at creating a Kubernetes Controller using Spring Boot that will handle requests when a CRD instance is created, updated, or deleted. Project Setup Let’s go to https://start.spring.io and create a new project with the following dependencies. Next, you need to add the Kubernetes Java client dependency as below <dependency> … Read more

First Impressions When Switching From Spring Boot to Ktor | by Matthias Schenk | Jul, 2022

A Step-by-step guide to write an API endpoint using Ktor, Koin and Exposed When I switched from Java to Kotlin I continued using my familiar tech stack consisting of several parts out of the SpringBoot ecosystem. With some small differences, which are mostly handled by the Kotlin Spring plugin, I could use it the same … Read more

Understanding Hot Deployment and Hot Reloading in Spring Boot | by Dwen | Aug, 2022

Sprint Boot hot deployment and hot reloading Photo by Milk-Tea on Unsplash In Spring Boot development and debugging, if we need to restart and debug each line of code modification, it may be time-consuming. The Spring Boot team provides the sprint-boot-devtools (Short name: Devtools) plugin for this problem, which tries to improve the efficiency of … Read more

spring boot – My project does not initialize Tomcat. Error starting Tomcat context

Closed. This question needs debugging details. It is not currently accepting answers. When I run application.java, I get the following error: 2022-07-22 15:56:17.958 ERROR 10064 — [ restartedMain] o.s.b.web.embedded.tomcat.TomcatStarter : Error starting Tomcat context. Exception: org.springframework.beans.factory.UnsatisfiedDependencyException. Message: Error creating bean with name ‘mainSecurity’: Unsatisfied dependency expressed through method ‘setContentNegotationStrategy’ parameter … Read more

Using Azure Storage Accounts From Spring Boot Apps

Spring projects in general are opinionated: 80-90% of use cases are handled “by default”, and code is often much more concise than would be required otherwise due to Spring’s preference of convention over configuration. These and other “” can result in less code to write and maintain and as a result, more focused impact. In … Read more

javascript – Spring boot and js. How i can get user?

It’s my first question)) How i can get only one user from js with using rest? I’ve tried writing something using Intelliji, but IDE, unfortunately, don’t help me with JS) Controllers: RestControllers: @RestController @RequestMapping(“api/users”) public class AdminRestController { private final UserService userService; @Autowired public AdminRestController(UserService userService) { this.userService = userService; } @GetMapping() public ResponseEntity<?> showAllUsers(@ModelAttribute(“user”) … Read more

java – Spring Boot – Batch Insert Forces Update Statement Execution

I am trying to insert the records in batch in my MySQL table. The Batch insert works like a charm when I do it without the composite key. However, when I assign the composite key. In my Table scheme: Id is the auto incremented primary key and ENODEB and HOUR_DATE_TIME are my normal columns that … Read more