Recently, I upgraded Elasticsearch from 7.15.2 to 8.0.1. The setup was quick and simple. However, when making a request to save an entity to the database and in turn make an update to elastic, I got this error. The error message is long, however, the main message is this: “unable to parse response body for … Read more
Since I spent countless hours finding the correct setup for Cucumber, TestContainers and Junit5 (Jupiter) for my Spring Boot project, I hope this tutorial can somehow save you time and help you avoid needless pain. Before you begin, I hope you already know what Cucumber, TestContainers, and Junit5 (and of course Spring Boot) are. If … Read more
When you are using *Nix systems, you prefer to start everything from the command line. In my case, I would like to open Intellij from the command line by typing idea following the folder, I want to open just like people do in tutorial videos. In order to do that, you need to find the … Read more
When developing single-page applications, one of the most common patterns you encounter is cross-component communication. One specific case I recently had to deal with is this: the page has two components: One for displaying the search for and the other for showing the search result. Here is how to application works: As you can see, … Read more
In the recent app that I develop, there is a situation like this: The API, created with Spring Boot . The Angular app calls the API but got a CORS error. I did a few searches online and found out that I need to add additional configuration in the code. The problem is since I … Read more
In the previous article, you’ve already known about the Runnable interface. To execute a task, you can simply create a class implement Runnable and pass an instance of that class in a thread. Runnable instances don’t provide a return value, you may need a different solution if your use case requires capturing return values. Introducing … Read more