Java Conference – Devoxx Poland 2015

Thanks to Payara we participated in the first edition of Devoxx Poland, on June, 22nd-24th, 2015 in Kraków, Poland. Last year we were on its ancestor — 33rd Degree (see our report of day 1 and day 2). What do we think about it? What changed?…
33rd degree poland

33rd Degree 2014 — Day 1

On June, 9th — 11th, 2014 we were attending 33rd Degree conference in Cracow, Poland. In this series of posts, we’ll share our thoughts on the conference and particular talks. Besides, we’re going to point out the most interesting parts…
33rd degree poland

33rd Degree 2014 — Day 2

Day 2 was in our opinion the best day of the conference. It was literally packed with strongly technical, valuable content. However, the starting talk did not promise that at all. So, let’s start! Power to the Programmers by Tom Gilb Have…
grails framework

Groovy meta-programming and Grails Artefact-API

The list of transient property names in Grails domain-classes can get quite long in bigger setups. Also often multiple domain-classes share the same transient references so there are many places to keep synced when refactoring or extending. An…
grails framework

Groovy XmlSlurper for HTML Parsing

Very common task: you need to parse XML. When using groovy there is groovy.util.XmlSlurper for that. We know that HTML is just a special XML - but when you have to parse from online ressources you have to assume that it's never well-formed.…
grails framework

Grails Mail-Plugin and Custom EmailerService

Just had an old project that got both Grails Mail-plugin installed and also a custom EmailerService implemented. Problem was that both approaches are configuring a org.springframework.mail.javamail.JavaMailSenderImpl in two…
grails framework

Using Grails console-plugin to Interactively Evict Hibernate’s Second Level Cache

It can be very handy to use Grails console-plugin to investigate database-cache-related issues. For instance in a case where everything works as expected but still a certain value is not displayed on a view - the reason can be that…
Software Modernisation

Application-Modernization with JMockit and JUnit

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When working with legacy-code it is often a good strategy to start increasing test-coverage. But writing tests without changing the legacy-code seems difficult to achieve in the most cases. Often it is enough to execute internal modules in isolation…