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.

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 Uncategorized | 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 , | 1 Comment

RestTemplate and <mvc:message-converters> in Spring Framework 4.3

The Spring Framework’s documentation says that RestTemplate instance created by the default constructor gets the default set of HttpMessageConverters. But what is the default set of HttpMessageConverters? Well, this is defined in the Spring Framework Reference. Unfortunately I’ve missed it … Continue reading

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How to add a key binding to toggle a touchpad under Linux

My previous laptop (Asus) had a special key on its keyboard to toggle the touchpad. It was working out of the box with Linux Mint & the Mate desktop environment – there was a special support for it. My new … Continue reading

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