Adventures of a service oriented architect
Today I tried to get Theia IDE running behind an Apache reverse proxy. Theia IDE runs in a Docker container and Apache forwards the requests to the new subdomain to this container. The page would load but I was stuck on the splash screen and the editor didn’t open. After a few seconds I got … Read more
I had this nasty error when running integration tests with Testcontainers for my Java project with Gradle: SEVERE: Caught exception while closing extension context: org.junit.jupiter.engine.descriptor.ClassExtensionContext@669c884 org.testcontainers.containers.ContainerLaunchException: Container startup failed … Caused by: org.testcontainers.containers.ContainerFetchException: Can’t get Docker image: RemoteDockerImage(imageName=, imagePullPolicy=DefaultPullPolicy()) … Caused by: com.github.dockerjava.api.exception.DockerClientException: Error occurred while preparing Docker context folder. … Caused by: java.io.IOException: Der … Read more
After enabling Kubernetes in Docker Desktop for Windows, it simply wouldn’t come up. I waited about an hour but nothing happened. All needed Docker images etc. were downloaded but then the process stalled. After searching for errors in all the different log files I found a bunch of lines like the following in C:\Users\%USERNAME%\AppData\Roaming\Docker\log\vm\kubelet.log: [026:09:01:30.415][I] … Read more
I tried to start Keycloak in a Docker container with an external database (MariaDB) as described in the documentation of jboss/keycloak: docker run –rm –name=keycloak \ -e KEYCLOAK_USER=admin \ -e KEYCLOAK_PASSWORD=admin123 \ -e DB_VENDOR=mariadb \ -e DB_ADDR=192.168.178.143 \ -e DB_PORT=3306 \ -e DB_DATABASE=keycloak \ -e DB_USER=keycloak \ -e DB_PASSWORD=keycloak \ jboss/keycloak Unfortunately, I got this … Read more
On November 6th and 7th, the German Adabas and Natural User Group met in Darmstadt at Software AG’s headquarter to learn about new features in the October 2018 release. Let’s find out more in episode seven of the Legacy Coder Podcast. German Adabas and Natural User Group Meeting in November 2019 in Darmstadt Overview of … Read more
After you have automated the build process for your application based on Software AG’s Adabas and Natural it’s time to take the next step and also deploy the changes to production after each push to Git! I’ll tell you how in the sixth episode of the Legacy Coder Podcast. Recap: Automating your build process with … Read more
This podcast is called “Legacy Coder” but what exactly is legacy code? I talk about my definition of the term in the fifth episode of the Legacy Coder Podcast. Legacy Code? What is Legacy Code? Definition by Michael Feathers: “Code without tests.” Code of a certain age. Brown field instead of green field. “Old” languages … Read more
It took me quite a while to get my Java EE 7 application automatically deployed to a target JBoss EAP 7 server from within Jenkins using Gradle as the build tool and Cargo for managing the deployment. So here’s my final solution for you to use! 😉 build.gradle dependencies { classpath ‘com.bmuschko:gradle-cargo-plugin:2.2.3’ } apply plugin: … Read more
Let’s talk about what was presented and discussed at Software AG’s User Group Presidents Meeting and the German Natural User Group in Darmstadt in November 2017 in episode four of the Legacy Coder Podcast. User Group Presidents Meeting What’s the point of the meeting? Planning the International User Groups Conference (topics, date, venue etc.). What … Read more
Why would anyone dismiss the good old Natural editor and switch over to NaturalONE? Let’s find out what features NaturalONE has to offer in the third episode of the Legacy Coder Podcast. Why should you switch over to NaturalONE? Increased developer productivity Use Copy and Paste (duh!) for high quality Natural programming 😉 Syntax Highlighting … Read more