Step-by-step Migration Guide

The Multiplatform Runtime allows you to use components and views developed with Vaadin 7 or Vaadin 8 inside a Vaadin 14 application using Vaadin Flow. This document will guide you through a series of steps to properly migrate a working Vaadin 7 or Vaadin 8 application to Vaadin Flow.

Note
It is easier to get started by changing things inside the existing Vaadin application than starting from a Flow Starter.

Step 1 - pom.xml configuration

The first step is to configure the Maven dependencies and plugins for MPR to work properly. There are different settings depending on which Vaadin version you use:

Or: