Data-Centric Applications with Vaadin 8

Maven dependencies

At this point, we have a very simple Java project setup that will be packaged as a WAR file. The next natural step is to add the required dependencies or libraries. Vaadin, like many other Java web applications, requires the Servlet API. Add it as follows to the pom.xml file:

    <dependencies>        <dependency>            <groupId>javax.servlet</groupId>            <artifactId>javax.servlet-api</artifactId>            <version>3.1.0</version>            <scope>provided</scope>        </dependency>    </dependencies>

Notice that the scope of this dependency is set as provided, which means that a server, or more specifically, a Servlet Container, such as Jetty or Tomcat, will provide the implementation.

Let’s continue by adding the required Vaadin dependencies. First, add the vaadin-bom ...