4.0.0 com.vaadin vaadin-root 8.1-SNAPSHOT vaadin-compatibility-server-gae vaadin-compatibility-server-gae jar https://vaadin.com/ Vaadin 7 GAE Servlet true ${project.groupId} vaadin-server ${project.version} javax.servlet javax.servlet-api provided com.google.appengine appengine-api-1.0-sdk provided org.apache.maven.plugins maven-checkstyle-plugin checkstyle process-sources org.apache.maven.plugins maven-surefire-plugin