Author Archives: krzysztoftomaszewski

About krzysztoftomaszewski

I've got M.Sc. in software engineering. I graduated in 2005 at Institute of Computer Science, Warsaw University of Technology, Faculty of Electronics and Information Technology. I'm working on computer software design and engineering continuously since 2004.

Docker-compose, Windows 10/Linux/Bamboo and containers’ IP address

Last time I was playing a little bit with setting up a Docker-compose environment with couple of applications running in separate containers and communicating with them from the host machine. A program running on a host machine needed to know … Continue reading

Posted in Docker, Linux | Tagged , , , , | Leave a comment

No Windows in boot menu after installing Linux Mint 18.3

Last days I needed to install Linux on a computer having pre-installed Windows. I wasn’t installing Linux next to Windows for many years and the previous time it was a plain PC with BIOS and Windows XP and all went … Continue reading

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Spring Framework and uber-jar made by maven-shade-plugin

If you’re trying to build a Java application in a form of an uber-jar with use of Spring Framework, maven and maven-shade-plugin and you see an error similar to the below one (BeanDefinitionParsingException: Configuration problem: Unable to locate Spring NamespaceHandler … Continue reading

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How to install Skype 8 on Linux (Ubuntu & Mint)

An installation of Skype in version 8.xx is a little bit different than it was with Skype 4.xx from what I found. As of writing this the current version of Skype is 8.11 and the procedure that I’ve checked on … Continue reading

Posted in Linux | 2 Comments

Gradle vs Maven

Short story Don’t use gradle. Use maven. A little longer story Don’t use gradle until you really have to. Otherwise use maven. Long story Last time I was dropped into a project that was using gradle. And it was the … Continue reading

Posted in Java | Tagged , | 2 Comments

Network problem inside a Docker container

Last weeks me and couple of folks from my team have started using Docker. So every one of us was a Docker-newbie. And I have noticed all of us had the same common problem: Network connections were not working inside … Continue reading

Posted in Docker | Tagged | 1 Comment

Spring Boot configuration for Tomcat’s pooling data source

In one of projects I was just working on in my professional career I’ve faced the problem of a Spring Boot configuration for a Tomcat’s database connection pool. The main issue was that after some time the pool was giving … Continue reading

Posted in database, Java, Spring, Tomcat | Tagged , | 3 Comments