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#Java

#AdoptOpenJDK

How AdoptOpenJDK provides enterprise ready OpenJDK builds

With the new licence of the Oracle JDK a lot of companies need to switch to a new JDK vendor. With AdoptOpenJDK we have a community based alternative that provides free LTS JDK builds. In this post I will have a deeper look at the infrastructure of the AdoptOpenJDK and how each build is tested to offer production ready quality.

#Java

Back to the future - with Java

Each year several Java applications might show wrong date information for the days around New Year's Eve. This post gives an overview about the problem and describes how you can easily avoid such bugs

#Java

#OpenJDK

How a single request can kill your enterprise

As developers we always try to create bug free and secure applications. Sometimes the most critical issues are not part of our code but of its dependencies. This post shows how security issues in dependencies can be used to create horrible attack scenarios of your systems. I will show one exploit in a simply Java based server application that can be used to do mostly everything with your whole system.

#Java

#Docker

#Integration Tests

#Tests

#JavaEE

#JakartaEE

Integration tests with Docker

This post gives an overview how we at Karakun use Docker to create integration tests for JavaEE / JakartaEE based libraries and frameworks.

#Java

#OpenJDK

Amazon Corretto announced

At the Devoxx conference 2 weeks ago, Amazon announced Corretto as a new player in the OpenJDK market. Next to companies like SAP, Oracle or Bellsoft, the cloud computing company now provides a custom OpenJDK build. On the website Amazon Corretto is described as "No-cost, multiplatform, production-ready distribution of OpenJDK". In this post I will have a deeper look at Corretto and explain why Amazon did this move.

#Java

The road to Java 11 - builds and licences

This post is the first of our Java 11 posts that will introduce all needed information about the next Java release. In this post you can find all needed information about the free and commercial versions of Java 11.

#Java

Do I need to pay for Java now?

This post gives an overview of the new Java release train as it was announced by Oracle. Plus, the article provides some important information and hints how you should handle new Java releases in the future and helps you to decide if you need to buy commercial Java support or not.

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