Multiple "waiting for Changelog Lock" = Liquibase locked your Database
Some time ago, an application of mine that is deployed in the Pivotal Cloudfoundry began throwing errors and crashed: 2019-09-29T06:42:54.76+0200 [APP/PROC/...
Spring Test Slices
In this article, I want to share what I learned about testing a Spring application without loading it completely. This can be done by using @DataJpaTest, @We...
Using InnerHTML in Angular to format Strings
In preparation for the upcoming IT Hub Brunswick Barcamp, I updated the conference page with ideas for talks and speakers. To display the speakers, we are us...
Generating TLS Certificates using Certbot manual Mode and DNS Challenge and Setup with all-inkl
As the main developer of IT Hub Brunswick, I created a TLS certificate for the domains www.ithubbs.de and ithubbs.de. In this article, I want to describe thi...
Lessons Learned and News in July 2019
This is what I learned in June and July 2019: Visiting the HackTalk Braunschweig, I learned about Container-Volume Backups with Restic. Here’s an overvie...
Lessons Learned and News in May 2019
This is what I learned in May 2019: I finished the TypeScript course I bought on Udemy. As always, here are my notes in a Github repo. The same applies ...
New-Stuff-Lockdown final Status Report
This is the final report about my temporal stop starting new projects. (update #1, update #2). Progress Update Before digging into details, one thing is cl...
Lessons learned and News in April 2019
This is what I learned in April 2019: Again, I learned valuable lessons in Angular. This article describes how to use async and await in Protractor tests...
Angular NgRx - uncaught typeerror - cannot read Property 'Entities' of undefined
Yesterday, we had flickering tests in our Angular application, which uses NgRx. Hopping from one test to the next and even sometimes running green, we had th...