<dependency>
<groupId>com.vaadin</groupId>
<artifactId>flow-osgi</artifactId>
<version>2.7.12</version>
</dependency>
<parent> <groupId>com.vaadin</groupId> <artifactId>flow-project</artifactId> <version>2.7.12</version> </parent>
compile
|-- javax.servlet:javax.servlet-api:3.1.0
|-- com.vaadin:flow-server:2.7.12
|-- org.apache.httpcomponents:httpclient-osgi:4.5.13
|-- org.apache.httpcomponents:httpcore-osgi:4.4.4
provided