Client-side fail-over

Traditional clustering solutions focus on performing clustering tasks purely server-side. The browser only possesses one URL (one IP address) after all, so there is not much we can do (well, there is, but more on this later). Usually, the intent behind clustering is twofold: If one server computer ...

Designing REST APIs

Introduction If I had to guess, I would say that most Vaadin applications are self-contained, with the UI and the business logic packaged inside the same application archive and running inside the same Java virtual machine (VM). However, there are cases where it makes more sense to separate the UI ...

Vaadin 8 roadshow wrap up

Vaadin 8 simplifies the development of web apps for Java developers like never before. We wanted to spread the word, so we visited tens of JUGs and Vaadin meetup groups this spring. Following the major Vaadin 8 release in February, we have been traveling the world - In practice mostly Europe and ...

Building web apps with Vaadin and Kotlin

Kotlin, the new kid in the family of JVM-based languages, is slowly but steadily capturing the hearts of many Java developers while finding its way to many prominent Java-related projects, such as Android, Spring, and Gradle. Using Vaadin Flow with Kotlin to build web apps is also possible! I ...

Community Spotlight - May 2017

For this month’s Community Spotlight I had the pleasure of talking with Nicolas Frankel, published author (Learning Vaadin, Learning Vaadin 7, and Integration Testing from the Trenches), developer, speaker, influencer, and passionate about technology. Find out his thoughts about Vaadin and what ...

Framework 8 marches on and becomes 8.1

Just a couple of months ago we released Vaadin Framework 8.0, a major version of our popular Java web framework that renewed the API and added dozens of improvements. Now, we are soon shipping version 8.1 which contains some highly requested features. The most interesting ones are: Components in ...

Greetings from Vaadin Dev Day

Greetings from this spring’s Vaadin Dev Days! It was great fun to be a part of it again. We had a good full day of learning and a lot of inspiring discussions outside the official agenda. Typically it is the attendees who really make an event, and this time was no exception. The day was the best it ...

Vaadin Core Elements 2 Roadmap

Polymer 2 support, more components, and theming support These are exciting times for Web developers. More and more browsers have shipped native support for Web Components, allowing us to rely less on polyfills and finally realize the full potential of Web Components. You might have seen that Google ...

A Guide to migrating from GXT to Vaadin

Vaadin has always had a strong position when companies are evaluating the next platform to migrate their Java based desktop applications to. The programming model of Vaadin Framework is very similar to their existing codebase, which immediately makes Vaadin feel natural and productive to work with. ...