This blog post provides a customized extract of the "Spring Boot Quickstart" to start a Spring Boot Java application using Maven, Swagger UI, and initial basic authentication without source code changes. It covers creating a "Hello World" WebService, adding a Swagger UI server, implementing initial basic authentication, and additional resources.
CheatSheet: How to set up Java and Maven on macOS
This blog post provides a list of links to resources for setting up a Java development environment on MacOS.
Writing an HTML-to-Text converter can be the first task in an AI pipeline with the JSOUP Java Library
This blog post is about the powerful JSOUP Java Library, which allows you to convert an HTML to plain formatted text based on your requirements by extracting and inspecting HTML elements in various ways. We check two methods to do this in this example.
JVMJ9VM015W Initialization error for library j9gc29(2): Failed to instantiate compressed references metadata. 200M requested when using jupyter notebook
This blog post is about how to solve a problem when you try to execute a Jupyter Notebook on a macOS.
Use of “Quarkus Security OpenID Connect Multi Tenancy” in an own small example
That blog post is about the usage of the "Quarkus Security OpenID Connect Multi Tenancy" implementation in an own small example, how to extract a tenant and reconfigure OIDC configuration for Keycloak.
Run a Java Web Start (javaws) application on a Mac OS with AdoptOpenJDK-11 runtime
I had the situation that I needed to run a Java Web Start (javaws) application on a mac BigSur OS and AdoptOpenJDK-11 runtime. The OpenWebStart project provided me what I needed in that situation. I didn't want to install an older runtime like Java 8 and manage different runtimes only for the execution of the... Continue Reading →
How to simply examine a JSON response from a Cloudant search in Java
This is a short cheat sheet about, how to simply examine a JSON response from a Cloudant search in Java. I found different examples, but these examples were (more or less) older examples, where I missed some pieces and at the end for me the Java EE documentation was the best resource to realize it.
Configure the attach debug for Quarkus in Visual Studio Code
How to simply organize workspaces and the debugging configuration separated from source code saved in GitHub and how to simply configure attach debug for Quarkus in Visual Studio Code
Get your Java Microservice up and running!
The Microservice in this workshop is kept as simple as possible, so that it can be used as a starting point for other Microservices. The Microservice has been developed with Java EE, OpenLiberty and Eclipse MicroProfile.
Getting started to secure a simple Java Microservice with Keycloak, MicroProfile and OpenLiberty
The objective of this blog post is to share with you an extract of a "simple" example project on GitHub I created to get started with: How to access a Java Microservice using the Open Source Identity and Access Management with Keycloak and JavaWebToken (JWT). In that project I want to ... ... secure... Continue Reading →
